CN109052594A - Be suitble to coking wastewater containing phenol and cyanide removes cyanogen drop nitrogen decolorising agent and preparation, application method - Google Patents
Be suitble to coking wastewater containing phenol and cyanide removes cyanogen drop nitrogen decolorising agent and preparation, application method Download PDFInfo
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- CN109052594A CN109052594A CN201810926647.5A CN201810926647A CN109052594A CN 109052594 A CN109052594 A CN 109052594A CN 201810926647 A CN201810926647 A CN 201810926647A CN 109052594 A CN109052594 A CN 109052594A
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- cyanogen
- cyanide
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- containing phenol
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- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title claims abstract description 148
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 65
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000002351 wastewater Substances 0.000 title claims abstract description 59
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 48
- 238000004939 coking Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 24
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 24
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 24
- 235000009529 zinc sulphate Nutrition 0.000 claims abstract description 24
- 239000011686 zinc sulphate Substances 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 229920002472 Starch Polymers 0.000 claims abstract description 16
- 229920000831 ionic polymer Polymers 0.000 claims abstract description 16
- 239000008107 starch Substances 0.000 claims abstract description 16
- 235000019698 starch Nutrition 0.000 claims abstract description 16
- PZNOBXVHZYGUEX-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine;hydrochloride Chemical compound Cl.C=CCNCC=C PZNOBXVHZYGUEX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 12
- 239000000470 constituent Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 19
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- SZUMNSLVXYNSKK-UHFFFAOYSA-L [Fe](Cl)Cl.[P] Chemical compound [Fe](Cl)Cl.[P] SZUMNSLVXYNSKK-UHFFFAOYSA-L 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 235000019850 ferrous citrate Nutrition 0.000 claims description 4
- 239000011640 ferrous citrate Substances 0.000 claims description 4
- APVZWAOKZPNDNR-UHFFFAOYSA-L iron(ii) citrate Chemical compound [Fe+2].OC(=O)CC(O)(C([O-])=O)CC([O-])=O APVZWAOKZPNDNR-UHFFFAOYSA-L 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 13
- 150000002825 nitriles Chemical class 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 13
- 239000008139 complexing agent Substances 0.000 description 13
- 239000003344 environmental pollutant Substances 0.000 description 12
- 231100000719 pollutant Toxicity 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000003672 processing method Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 238000002306 biochemical method Methods 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The present invention provides a kind of suitable coking wastewater containing phenol and cyanides except cyanogen drop nitrogen decolorising agent and preparation, application method, except cyanogen drop its constituent of nitrogen decolorising agent and mass fraction are as follows: 45-55 parts of polyion network cyanogen agent, 15-25 parts of graft starch, 5-10 parts of polydimethyl diallyl ammonium chloride, 2-8 parts of composite diatomite white vitriol, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, remaining be water.The present invention is directed to wastewater containing phenol and cyanide bio-chemical effluent, drops one barrel of change scheme of nitrogen decolorising agent using except cyanogen, makes to be discharged be up to state standards emission limit, and the operation that system can be maintained well stable.
Description
Technical field
The present invention relates to the cyanogen that removes of water-treatment technology field more particularly to suitable coking wastewater containing phenol and cyanide to drop nitrogen decolorising agent and system
Standby, application method.
Background technique
Wastewater containing phenol and cyanide is mainly derived from coking, gas purification and coal chemical industry product processing, especially with the generation of ammonia still process process
Remained ammonia be main source.Remained ammonia mainly by the hygroscopic moisture on furnace coal surface, the shove charge dry distillation of coal generate water of constitution,
It is added into the oil-containing technique waste water three parts composition inhaled in gas piping and gas collecting tube circulation oxygen water pump.Wastewater containing phenol and cyanide yield
Greatly, pollutant load is high and many kinds of, serious to environmental hazard.Wherein cyanide, NH3- N and polycyclic aromatic hydrocarbon, heterocyclic compound
Object more bio-refractory, difficulty of governance is very big, and regulation effect is poor.Most of research at present all concentrates on the processing dress of wastewater containing phenol and cyanide
Set the research with processing method.[CN 207016558U] discloses a kind of efficient wastewater containing phenol and cyanide processing unit.
[CN105174549A] discloses a kind of method of advanced treating wastewater containing phenol and cyanide, elaborate with light chemical oxidization method, multi-effect adsorption,
Flocculation etc., finally make wastewater containing phenol and cyanide water outlet COD be down to 60mg/L, coloration be down to 30 times or less, cyanide be down to 0.2mg/L with
Under.In [CN 103449684A], Jigang Group Co., Ltd Zhao Pei, which is built, et al. is disclosed at a kind of high toxicity coking wastewater containing phenol and cyanide
Manage reclaiming system and wastewater treatment and renovation method, by pretreatment-biological decarbonization denitrogenation-High-rate sedimentation-Fenton advanced oxidation and
Five processes of sludge dewatering, final outflow water COD is 65mg/L, cyanide 0.12mg/L, ammonia nitrogen 2.7mg/L.
The treatment research of wastewater containing phenol and cyanide is concentrated mainly at present in the selection of processing method and processing unit, wastewater containing phenol and cyanide
Processing method mainly have physical method, chemical method, biochemical method.Physical method processing wastewater containing phenol and cyanide is at high cost, and practical value is smaller；Change
Method treatment effect is preferable, but relatively low for ammonia nitrogen removal frank；For biochemical method because big to wastewater treatment capacity, processing cost is low, without two
Secondary pollution, and become the main methods of wastewater containing phenol and cyanide.But after the biochemical method processing wastewater containing phenol and cyanide applied at present, in water outlet
The pollutants such as total cyanogen, ammonia nitrogen and COD removal it is unsatisfactory, coloration is also relatively high.Especially country has promulgated " coking
Chemical industrial pollution discharge standard " after (GB16171-2012), Pollutant emission concentration is controlled stringenter.It is required that ammonia nitrogen
10mg/L, COD 80mg/L, cyanide 0.2mg/L hereinafter, the processing of wastewater containing phenol and cyanide with greater need for optimized treatment method and optimization
Medicament.
Summary of the invention
The object of the present invention is to provide a kind of suitable coking wastewater containing phenol and cyanides except cyanogen drop nitrogen decolorising agent and preparation, user
Method drops one barrel of change scheme of nitrogen decolorising agent using except cyanogen, so that water outlet is up to state standards and discharge limit for wastewater containing phenol and cyanide bio-chemical effluent
Value, and the operation that system can be maintained well stable.
To achieve the above object, the present invention is implemented with the following technical solutions:
It is suitble to the cyanogen that removes of coking wastewater containing phenol and cyanide to drop nitrogen decolorising agent, constituent and mass fraction are as follows: polyion network cyanogen agent
45-55 parts, 15-25 parts of graft starch, 5-10 parts of polydimethyl diallyl ammonium chloride, composite diatomite white vitriol 2-8
Part, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, remaining be water.
It is suitble to the cyanogen that removes of coking wastewater containing phenol and cyanide to drop nitrogen decolorising agent, constituent and mass fraction are preferred are as follows: polyion network
48-53 parts of cyanogen agent, 18-22 parts of graft starch, 6-8 parts of polydimethyl diallyl ammonium chloride, composite diatomite white vitriol
4-6 parts, 2-4 parts of sodium tripolyphosphate, 0.5-1 parts of isopropanol, remaining be water.
The polyion network cyanogen agent is mixed by following raw materials example in mass ratio: Na2Fe04: polymeric aluminium ferrum silicate:
Poly- phosphorus iron chloride: dicyandiamide formaldehyde resin: ferrous citrate=(4~5): (3~4): (2~3): (0.5~1): (1~1.5).
The mass ratio of diatomite and white vitriol in the composite diatomite white vitriol are as follows: diatomite: seven water sulphur
Sour zinc=0.4:1~1:1.
It is suitble to the preparation method for removing cyanogen drop nitrogen decolorising agent of coking wastewater containing phenol and cyanide, the specific method is as follows:
1) diatomite and white vitriol are put into four-hole boiling flask according to mass ratio 0.4:1~1:1, according to solid-liquid quality
Be added proper amount of clear water than 1:5, then with 1-2ml/ minute speed be added dropwise concentration for 30% sulfuric acid in flask, in 40-45 DEG C,
It is reacted 2-2.5 hours under the stirring condition of 80r/min；Reactant is filtered, is dry, is placed in Muffle furnace at 400-450 DEG C
Roasting 4-5 hours, calcining matter coolant seal is spare, and gained preparation is composite diatomite white vitriol.
2) polyion network cyanogen agent is put into reaction kettle, distilled water is added according to the mass ratio of solute and water 1:2.2-3.2,
After stirring 20-25 minutes with the speed of 150-180r/min, composite diatomite white vitriol is put into, is continued with 100-150r/
The speed of min stirs, and stirring adds 15-25 parts of graft starch, polydimethyl diallyl ammonium chloride 5- after liquid phase is homogeneous
10 parts, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, are stirred with 120-150r/min, after stirring 15-20 minutes, then with 50-
The speed of 80r/min stirs 15-20 minutes, is made after mixing except nitrogen decolorising agent drops in cyanogen.
It is suitble to the application method for removing cyanogen drop nitrogen decolorising agent of coking wastewater containing phenol and cyanide, the dosage that nitrogen decolorising agent is dropped except cyanogen
Are as follows:
T=170 × CT-N CCOD≤350mg/L
In formula: except nitrogen decolorising agent dosage, mg/L drop in cyanogen in T- wastewater containing phenol and cyanide；
CT-NTotal cyanide content in wastewater containing phenol and cyanide, mg/L；
CCODCOD content in wastewater containing phenol and cyanide, mg/L.
Polyion network cyanogen agent is one of the host agent except cyanogen drop nitrogen decolorising agent.Na2Fe04 in waste water COD, BOD and
TOC etc. has good removal and coagulation, and a series of organic pollutant in the water that can effectively degrade.Na2Fe04 and water
In pollutant effect when, the intermediate state of different charges is had via sexavalence to trivalent, generating has excellent flocculating function
The iron hydroxide of ferric ion and suction-operated, can show simultaneously in water oxidation, flocculation, absorption, it is coprecipitated, sterilization,
The effects of disinfection, and it is without secondary pollution.Polymeric aluminium ferrum silicate, poly- phosphorus iron chloride, dicyandiamide formaldehyde resin, ferrous citrate connection
Close use, not only overcome the disadvantage that aluminium salt wadding body is loose, frangible, sinking speed is slow, but overcome molysite wadding body it is smaller, processing after
The deeper disadvantage of coloration, so that the floc sedimentation that flocculation is formed is not only compact, closely knit, sinking speed is fast, supernatant coloration reduces.Simultaneously
The pH value use scope of polyion network cyanogen agent is wider, generally 5-11, and 6-9 effect is best.Polyion network cyanogen agent energy and water are to appoint
The mixing of meaning ratio, coagulation effect is good, and can effectively reduce each pollutant.Number of the component in complexing agent is 45-
55 parts, preferably 48-53 parts.
Graft starch is the two of the host agent of the complexing agent, and starch graft copolymer structure is as follows
A represents the dehydrated glucose unit among starch；M indicates the repeated monomer being grafted in graft copolymerization, such as
CH2=CHCOOH, CH2=CHCONH2、CH2=CHCOOCH2NR3One of, starch-grafted obtained copolymer is water solubility
Copolymer has double action of adsorbing and flocculate.It can effectively adsorb hazardous contaminant, especially have to difficult to degrade
Machine pollutant adsorption effect is more preferable, decolourizes, except cyanogen drop nitrogen goes COD effect obvious.Content of the component in complexing agent is 15-25
Part, preferably 18-22 parts.
Polydimethyl diallyl ammonium chloride is the three of the host agent of complexing agent, safe and nontoxic, soluble easily in water, decoloration effect
Fruit is splendid and facilitates flocculation sedimentation, and water pollutant and organic matter is enable to reduce to greatest extent.The component is in complexing agent
In content be 5-10 parts, preferably 6-8 parts.
Diatomite contains multistage, a large amount of, ordered arrangement micropores, and it is many excellent that this unique structure imparts diatomite
Performance；Chemical property is stable, porosity is big, large specific surface area, strong adsorption.The pollutant in waste water can effectively be adsorbed
Matter purifies water.Work as composite diatomite white vitriol and Na2Fe04, polymeric aluminium ferrum silicate, poly- phosphorus iron chloride, lemon simultaneously
After sour ferrous and graft starch, polydimethyl diallyl ammonium chloride collective effect, diatomite surface and internal surface of hole distribution
A large amount of silicone hydroxyl, this special mechanism are conducive to the progress of flocculating setting, and various pollutants in water can be made to be able to maximum
The removal of limit.Diatomite and Zinc vitriol is compound according to mass ratio 0.4:1-1:1, and compounding ingredients are in complexing agent
Number is 2-8 parts, preferably 4-6 parts.
Sodium tripolyphosphate can effectively adjust pH value, so that each substance is played good synergistic effect, the component is in complexing agent
In be 1-5 parts, preferably 2-4 parts.
Isopropanol is stabilizer, makes to stablize except cyanogen drop nitrogen decolorising agent property, period of storage increases, and the component is in complexing agent
It is 0.1-1 parts, preferably 0.5-1 parts.
Compared with prior art, the beneficial effects of the present invention are:
1) between complexing agent component of the invention have good concertedness, mutually rush property, property stablize, belong to green,
Environmental protection, degradable material, it is environmentally friendly, be not easily decomposed.
2) complexing agent of the invention is easy to operate, it is easy to accomplish one barrel of change scheme, it can without adding other assistant medicaments
Reach ideal wastewater containing phenol and cyanide Effluent criteria.
3) of the invention except nitrogen decolorising agent drops in cyanogen, with it is excellent except cyanogen, drop nitrogen, remove COD, decolorizing effect；Applied to coke
It is up to standard and stable to change wastewater containing phenol and cyanide effluent index, is worthy to be popularized.
4) of the invention except cyanogen drop nitrogen decolorising agent is at low cost, it is good to be easy compounding, stability；Application method is simple, is easy to grasp
Make.
5) complexing agent applicable pH range of the invention is extensive, especially good with effect within the scope of 6-9.
6) guarantee effluent characteristics, stable water outlet reduces the construction of subsequent structures.
7) feature big for wastewater containing phenol and cyanide change of water quality except cyanogen drop nitrogen decolorising agent of the invention, this complexing agent embodies superior
Performance, guarantee stable water outlet and meet the requirement of environmental protection, can be promoted the use of in wastewater containing phenol and cyanide.
Specific embodiment
The present invention is described in detail below, it should be noted that implementation of the invention embodiment party not limited to the following
Formula.
It is suitble to the cyanogen that removes of coking wastewater containing phenol and cyanide to drop nitrogen decolorising agent, constituent and mass fraction are as follows: polyion network cyanogen agent
45-55 parts, 15-25 parts of graft starch, 5-10 parts of polydimethyl diallyl ammonium chloride, composite diatomite white vitriol 2-8
Part, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, remaining be water.
It is suitble to the cyanogen that removes of coking wastewater containing phenol and cyanide to drop nitrogen decolorising agent, constituent and mass fraction are preferred are as follows: polyion network
48-53 parts of cyanogen agent, 18-22 parts of graft starch, 6-8 parts of polydimethyl diallyl ammonium chloride, composite diatomite white vitriol
4-6 parts, 2-4 parts of sodium tripolyphosphate, 0.5-1 parts of isopropanol, remaining be water.
The polyion network cyanogen agent is mixed by following raw materials example in mass ratio: Na2Fe04: polymeric aluminium ferrum silicate:
Poly- phosphorus iron chloride: dicyandiamide formaldehyde resin: ferrous citrate=(4~5): (3~4): (2~3): (0.5~1): (1~1.5).
The mass ratio of diatomite and white vitriol in the composite diatomite white vitriol are as follows: diatomite: seven water sulphur
Sour zinc=0.4:1~1:1.
It is suitble to the preparation method for removing cyanogen drop nitrogen decolorising agent of coking wastewater containing phenol and cyanide, the specific method is as follows:
1) diatomite and white vitriol are put into four-hole boiling flask according to mass ratio 0.4:1~1:1, according to solid-liquid quality
Be added proper amount of clear water than 1:5, then with 1-2ml/ minute speed be added dropwise concentration for 30% sulfuric acid in flask, by four-hole boiling flask
It is placed on digital display intelligent temperature control magnetic stirring apparatus, is reacted 2-2.5 hours under 40-45 DEG C, the stirring condition of 80r/min；It will
Reactant filters, is dry, is placed in Muffle furnace and roasts 4-5 hours at 400-450 DEG C, calcining matter coolant seal is spare, institute
Obtaining preparation is composite diatomite white vitriol.
2) polyion network cyanogen agent is put into reaction kettle, distilled water is added according to the mass ratio of solute and water 1:2.2-3.2,
After stirring 20-25 minutes with the speed of 150-180r/min, composite diatomite white vitriol is put into, is continued with 100-150r/
The speed of min stirs, and stirring adds 15-25 parts of graft starch, polydimethyl diallyl ammonium chloride 5- after liquid phase is homogeneous
10 parts, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, are stirred with 120-150r/min, after stirring 15-20 minutes, then with 50-
The speed of 80r/min stirs 15-20 minutes, is made after mixing except nitrogen decolorising agent drops in cyanogen.
It is suitble to the application method for removing cyanogen drop nitrogen decolorising agent of coking wastewater containing phenol and cyanide, the dosage that nitrogen decolorising agent is dropped except cyanogen
Are as follows:
T=170 × CT-N CCOD≤350mg/L
In formula: except nitrogen decolorising agent dosage, mg/L drop in cyanogen in T- wastewater containing phenol and cyanide；
CT-NTotal cyanide content in wastewater containing phenol and cyanide, mg/L；
CCODCOD content in wastewater containing phenol and cyanide, mg/L.
The present invention does not base oneself upon in the research of wastewater containing phenol and cyanide processing unit and processing method, but is to base oneself upon from medicament angle
Point is made the compound cyanogen that removes and drops nitrogen decolorising agent, is used in combination with biochemical method, to reach better treatment effect.Cyanogen is removed simultaneously
It drops nitrogen decolorising agent and uses one barrel of change scheme, i.e., the multicomponent chemical substance of different role is reached into component by various processing methods
Between stabilization coexist, and give full play to collaboration, mutual rush acts on, preferably reach except cyanogen, drop nitrogen, remove COD, decolorizing effect.
Except cyanogen drop nitrogen decolorising agent is added among bio-chemical effluent according to corresponding proportion, coke can preferably be reduced by being verified repeatedly
Change wastewater containing phenol and cyanide items pollutant index, reaches wastewater containing phenol and cyanide water outlet processing requirement.The present invention is used except cyanogen drop nitrogen decoloration simultaneously
Agent is at low cost, operation is simple, is easily achieved, and complexing agent property is stablized, and is not easily decomposed.Na2Fe04, graft starch, poly- diformazan
Base diallyl ammonium chloride, dicyandiamide formaldehyde are used in combination, and enhance treatment effect, and ammonia nitrogen < is discharged after processing
10mg/L, COD < 80mg/L, cyanide < 0.2mg/L, coloration is less than 30 times.
The features of the present invention is further illustrated below by laboratory and field case.As the result is shown in laboratory and scene
Application effect is good.
To better illustrate the present invention, it is easy to understand technical solution of the present invention, of the invention is typical but non-limiting
Embodiment is as follows:
Table 1: it is made according to following ratio except nitrogen decolorising agent a, b, c drop in cyanogen.
| Component number | A (part) | B (part) | C (part) |
| Polyion network cyanogen agent | 48 | 50 | 52 |
| Composite diatomite white vitriol | 7 | 6 | 4 |
| Graft starch | 20 | 21 | 18 |
| Polydimethyl diallyl ammonium chloride | 8 | 6 | 6 |
| Sodium tripolyphosphate | 4 | 3 | 2 |
| Isopropanol | 0.8 | 0.7 | 0.8 |
| Water | 120 | 125 | 130 |
Embodiment 1
Coking wastewater containing phenol and cyanide bio-chemical effluent pH is 7.47, total cyanogen 5.20mg/L, COD 210mg/L, ammonia nitrogen 27mg/L, coloration
300 times.It will be added in wastewater containing phenol and cyanide except cyanogen drop nitrogen decolorising agent a with the dosage of 884mg/L, stirring stood 20 after 10-15 seconds
Minute measurement supernatant various pollutants index, obtains total cyanogen < 0.1mg/L, COD 59mg/L, ammonia nitrogen 8mg/L, coloration is lower than
30 times.
Embodiment 2
Coking wastewater containing phenol and cyanide bio-chemical effluent is taken, each index is as follows: pH 8.15, total cyanogen 9.5mg/L, COD 350mg/L, ammonia
Nitrogen 57mg/L, 500 times of coloration.It will be added in wastewater containing phenol and cyanide, be stirred except cyanogen drop nitrogen decolorising agent b with the dosage of 1615mg/L
20 minutes measurement supernatant various pollutants indexs are stood after 10-15 seconds, obtain total cyanogen < 0.1mg/L, COD65mg/L, ammonia nitrogen
9mg/L, coloration are lower than 30 times.
Embodiment 3
Coking wastewater containing phenol and cyanide bio-chemical effluent is taken, each index is as follows: pH 7.94, total cyanogen 14mg/L, COD 570mg/L, ammonia
Nitrogen 62mg/L, 900 times of coloration.It will be added in wastewater containing phenol and cyanide, be stirred except cyanogen drop nitrogen decolorising agent c with the dosage of 2490mg/L
20 minutes measurement supernatant various pollutants indexs are stood after 10-15 seconds, obtain total cyanogen < 0.1mg/L, COD 60mg/L, ammonia nitrogen
8.9mg/L, coloration are lower than 30 times.
Field application example
Live water quality situation: pH 7.56, total cyanogen 5.23mg/L, COD 240mg/L, ammonia nitrogen 32mg/L, 300 times of coloration.
It will be added in system except cyanogen drop nitrogen decolorising agent b according to 890mg/L, through radical sedimentation basin, the water conservancy residence time, 1-1.5 was small
When, measure supernatant total cyanogen 0.15mg/L, COD 43mg/L, ammonia nitrogen 7mg/L, 20 times of coloration.
Claims (6)
1. suitable coking wastewater containing phenol and cyanide except cyanogen drop nitrogen decolorising agent, which is characterized in that its constituent and mass fraction are as follows: mostly from
45-55 parts of sub- network cyanogen agent, 15-25 parts of graft starch, 5-10 parts of polydimethyl diallyl ammonium chloride, seven water sulphur of composite diatomite
Sour zinc 2-8 parts, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, remaining be water.
2. suitable coking wastewater containing phenol and cyanide according to claim 1 except cyanogen drop nitrogen decolorising agent, which is characterized in that its form at
Point and mass fraction are as follows: 48-53 parts of polyion network cyanogen agent, 18-22 parts of graft starch, polydimethyl diallyl ammonium chloride 6-8
Part, 4-6 parts of composite diatomite white vitriol, 2-4 parts of sodium tripolyphosphate, 0.5-1 parts of isopropanol, remaining be water.
3. nitrogen decolorising agent drops in the cyanogen that removes of suitable coking wastewater containing phenol and cyanide according to claim 1 or 2, which is characterized in that described
Polyion network cyanogen agent is mixed by following raw materials example in mass ratio: Na2Fe04: polymeric aluminium ferrum silicate: poly- phosphorus iron chloride:
Dicyandiamide formaldehyde resin: ferrous citrate=(4~5): (3~4): (2~3): (0.5~1): (1~1.5).
4. nitrogen decolorising agent drops in the cyanogen that removes of suitable coking wastewater containing phenol and cyanide according to claim 1 or 2, which is characterized in that described
The mass ratio of diatomite and white vitriol in composite diatomite white vitriol are as follows: diatomite: white vitriol=0.4:1~
1:1。
5. the preparation method for removing cyanogen drop nitrogen decolorising agent of suitable coking wastewater containing phenol and cyanide, feature exist as claimed in claim 1 or 2
In the specific method is as follows:
1) diatomite and white vitriol are put into four-hole boiling flask according to mass ratio 0.4:1~1:1, according to solid-liquid mass ratio 1:
5 are added clear water, then with 1-2ml/ minute speed be added dropwise concentration for 30% sulfuric acid in flask, in 40-45 DEG C, 80r/min
Stirring condition under react 2-2.5 hours；Reactant is filtered, is dry, is placed in Muffle furnace and roasts 4-5 at 400-450 DEG C
Hour, calcining matter coolant seal is spare, and gained preparation is composite diatomite white vitriol.
2) polyion network cyanogen agent is put into reaction kettle, distilled water is added according to the mass ratio of solute and water 1:2.2-3.2, with
After the speed of 150-180r/min stirs 20-25 minutes, composite diatomite white vitriol is put into, is continued with 100-150r/min
Speed stirring, stirring until liquid phase it is homogeneous after add 15-25 parts of graft starch, polydimethyl diallyl ammonium chloride 5-10
Part, 1-5 parts of sodium tripolyphosphate, 0.1-1 parts of isopropanol, are stirred with 120-150r/min, after stirring 15-20 minutes, then with 50-
The speed of 80r/min stirs 15-20 minutes, is made after mixing except nitrogen decolorising agent drops in cyanogen.
6. the application method for removing cyanogen drop nitrogen decolorising agent of suitable coking wastewater containing phenol and cyanide as described in claim 1, which is characterized in that
The dosage that nitrogen decolorising agent is dropped except cyanogen are as follows:
T=170 × CT-N CCOD≤350mg/L
In formula: except nitrogen decolorising agent dosage, mg/L drop in cyanogen in T- wastewater containing phenol and cyanide；
CT-NTotal cyanide content in wastewater containing phenol and cyanide, mg/L；
CCODCOD content in wastewater containing phenol and cyanide, mg/L.
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| CN115888970B (en) * | 2022-11-22 | 2024-11-01 | 山东(烟台)中日产业技术研究院(烟台市产业技术研究院) | Cyanide removal treatment method for cyanide tailings |
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