CN107473455A - A kind of coking biochemical goes out water coagulation depth and decolourizes, reduces COD handling process - Google Patents
A kind of coking biochemical goes out water coagulation depth and decolourizes, reduces COD handling process Download PDFInfo
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- CN107473455A CN107473455A CN201710928535.9A CN201710928535A CN107473455A CN 107473455 A CN107473455 A CN 107473455A CN 201710928535 A CN201710928535 A CN 201710928535A CN 107473455 A CN107473455 A CN 107473455A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000005345 coagulation Methods 0.000 title claims abstract description 34
- 230000015271 coagulation Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004939 coking Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 239000013049 sediment Substances 0.000 claims abstract description 23
- 239000003463 adsorbent Substances 0.000 claims abstract description 15
- 230000008929 regeneration Effects 0.000 claims abstract description 14
- 238000011069 regeneration method Methods 0.000 claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims abstract description 12
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000005189 flocculation Methods 0.000 claims description 13
- 230000016615 flocculation Effects 0.000 claims description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000701 coagulant Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 239000012028 Fenton's reagent Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000001112 coagulating effect Effects 0.000 claims description 7
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 7
- 239000011790 ferrous sulphate Substances 0.000 claims description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 7
- 229920005615 natural polymer Polymers 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims description 6
- AHLWZBVXSWOPPL-RGYGYFBISA-N 20-deoxy-20-oxophorbol 12-myristate 13-acetate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(C=O)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C AHLWZBVXSWOPPL-RGYGYFBISA-N 0.000 claims description 4
- 229920000881 Modified starch Polymers 0.000 claims description 4
- 239000004368 Modified starch Substances 0.000 claims description 4
- 241001602688 Pama Species 0.000 claims description 4
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 4
- 235000019426 modified starch Nutrition 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920002101 Chitin Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010883 coal ash Substances 0.000 claims description 3
- WOYQCKODTASHPN-UHFFFAOYSA-M dimethyl(dipropyl)azanium;chloride Chemical compound [Cl-].CCC[N+](C)(C)CCC WOYQCKODTASHPN-UHFFFAOYSA-M 0.000 claims description 3
- 229920005610 lignin Polymers 0.000 claims description 3
- -1 semi-coke powder Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000010802 sludge Substances 0.000 abstract description 7
- 238000010790 dilution Methods 0.000 abstract description 4
- 239000012895 dilution Substances 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 229960002163 hydrogen peroxide Drugs 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000009102 absorption Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000010908 plant waste Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- ZGNVKJZHVXYWCX-UHFFFAOYSA-N n-methyl-n-propylpropan-1-amine;hydrochloride Chemical compound Cl.CCCN(C)CCC ZGNVKJZHVXYWCX-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009719 regenerative response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000000007 visual effect Effects 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
- C02F1/28—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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Go out the decolouring of water coagulation depth the invention discloses a kind of coking biochemical, reduce COD handling process, waste water is first carried out adsorption reaction by the technique, water outlet is further carried out helping solidifying, precipitation after coagulation depth decoloring reaction, and the sediment slurry part finally given returns to adsorption reaction, is partly used to regenerate；Sediment slurry after regeneration enters adsorption reaction together with the sediment slurry of return and recycled；Pass through the coking biochemical waste water after the PROCESS FOR TREATMENT, colourity removal effect is preferable, effluent color dilution can be stablized below 5 times, COD clearance improves 10 30% than traditional coagulation mode, at the same time the reuse and regeneration of adsorbent and decolorising agent are realized, repeats using up to more than 10 times, sludge yield is greatly decreased, 30 50% are reduced than traditional coagulation, is had a good application prospect.
Description
Technical field
The present invention relates to coking wastewater deep treatment field, goes out water coagulation depth more particularly to a kind of coking biochemical and takes off
Color, reduce COD handling process.
Background technology
The features such as coking chemical waste water has that water is big, complicated component, and pollutant concentration is high, colourity is high, toxicity is big, at biochemistry
After reason, still there is the organic pollution of a large amount of difficult degradations, it is necessary to which follow-up further advanced treating, can be only achieved discharge standard.
It is for the advanced treating of this kind of water, the integrated technique such as generally use coagulation, absorption, oxidation, wherein coagulation technology
A kind of simple and easy processing method, at the same time because with investment goods it is low, take up an area less, processing capacity is big the advantages of, and by
Extensive use.What application was more at present is general inorganic coagulant, inorganic polymer coagulant and organic polymer coagulant, is led
There are aluminum sulfate, iron chloride, aluminium polychloride, bodied ferric sulfate, polyacrylamide etc., depth of these coagulant to bio-chemical effluent
How undesirable degree treatment effect is, and COD removal efficiencies typically typically go out water colour in 20%-40%, colourity removal efficiency in 30%-60%, coagulation
Degree and COD are higher, cause that the processing load of follow-up advanced oxidation is big, and final outflow water is difficult to reach discharge standard.
Therefore, for the undesirable situation of above-mentioned treatment effect, inventor, which concentrates on studies, to be developed a kind of coagulation depth and takes off
Color, the handling process for reducing COD, colourity removal effect is preferable, and effluent color dilution can be stablized below 5 times, and COD clearances are than tradition
Coagulation mode improves 10 ~ 30%.
The content of the invention
For above-mentioned technical problem, go out the decolouring of water coagulation depth the invention provides a kind of coking biochemical, reduce COD processing
Technique, not only colourity removal effect is good for this method, and effluent color dilution is stable, and COD clearances increase, and by adsorbent
With the reuse and regeneration of decolorising agent, repeat and utilize more than 10 times, sludge yield is greatly decreased, more less than traditional coagulation 30 ~
50%。
In order to solve the above problems, the present invention uses following technical scheme：
A kind of coking biochemical goes out water coagulation depth and decolourizes, reduces COD handling process, and the waste water first is carried out into adsorption reaction, gone out
Water is further carried out helping solidifying, precipitation after coagulation depth decoloring reaction, and it is anti-that the sediment slurry part finally given returns to absorption
Should, partly it is used to regenerate.
Enter adsorption reaction together with the sediment slurry of return after the sediment slurry regeneration to recycle.
After the waste water enters adsorption tank, adsorbent slurries are added from adsorption tank top, and are quickly stirred, are inhaled
Reaction enclosure, water outlet overflow enter depth decoloration coagulant pond；
The adsorbent is Powdered Activated Carbon, modified coal ash, semi-coke powder, bentonite or diatomaceous one or more；
The dosage of the adsorbent is 50-400mg/L.
Adsorption tank water outlet overflow enters depth decoloration coagulant pond, and decolorising agent is added from coagulating basin top, is mixed with absorption water outlet,
And moderate-speed mixer is carried out, coagulation depth decoloring reaction is carried out, coagulation water outlet enters from bottom helps solidifying reaction tank；
The decolorising agent is artificial synthesized macromolecular decolorizing agent or natural polymer decolorising agent；
The artificial synthesized macromolecular decolorizing agent is polyamine, poly dimethyl dipropyl ammonium chloride or dicyandiamide formaldehyde resin；
The natural polymer decolorising agent is modified starch, chitin or lignin and its derivative decolorising agent；
The decolorising agent dosage is 50-200mg/L.
Coagulation water outlet, which enters, helps solidifying reaction tank, from helping solidifying pond top to add flocculation aid, is mixed with coagulation water outlet, and carries out slow
Speed stirring, carries out helping solidifying reaction to form floccule, water outlet enters sedimentation basin；
The flocculation aid is PAMA；
The flocculation aid dosage is 2-15mg/L.
Solidifying pond water outlet is helped to enter sedimentation basin, through precipitation, water outlet is discharged from sedimentation basin top, and sediment slurry part is from sedimentation basin
Bottom returns to adsorption tank through slurry reflux pipeline, partly into regenerated reactor；
Sediment slurry reflux ratio is 10% ~ 100%.
The mixing speed of the adsorption reaction is 250-400r/min, residence time 1-10min.
The mixing speed 150-250r/min of the coagulation depth decoloring reaction, residence time 5-15min.
It is described to help solidifying reaction mixing speed 50-150r/min, residence time 5-15min.
The sediment slurry regeneration is by being handled in acid condition through Fenton reagent, so as to realize decolorising agent and work
Property charcoal regeneration；
The Fenton reagent is sulfuric acid, ferrous sulfate or hydrogen peroxide.
Compared with prior art, the invention has the advantages that：
1st, go out the decolouring of water coagulation depth the invention discloses coking biochemical, reduce COD handling process；
2nd, after the PROCESS FOR TREATMENT, colourity removal effect is preferable for coking biochemical water outlet, and effluent color dilution can be stablized below 5 times, COD
Clearance improve 10-30% than traditional coagulation mode；
3rd, by the reuse and regeneration to adsorbent and decolorising agent, repeat and utilize more than 10 times, sludge yield is greatly decreased, than
Traditional coagulation reduces 30-50%；
4th, process optimization regulation effect, reduce secondary pollution, it is simple to operate, easily realize engineering, have it is wide should
Use prospect.
Brief description of the drawings
Fig. 1 is that coking biochemical of the present invention goes out the decolouring of water coagulation depth, reduces COD processing technological flow figures.
Wherein：1- adsorption tanks；2- coagulating basins；3- helps solidifying pond；4- sedimentation basins；5- Powdered Activated Carbon slurries；6- decolorising agents；7-
Flocculation aid；8th, 9,10- stirring motors；11- scrapes mud motor；12- sediment slurry reflux pumps；13- sediment slurry reflux pipelines；14-
Sediment slurry regenerates pipeline；The regular spoil disposals of 15-；16- regenerated reactors；17- regenerates sediment slurry pump；18- flows back and regeneration precipitation slurry
Liquid.
Embodiment
Further illustrate technical scheme with reference to the accompanying drawings and examples:
Decolourize as shown in figure 1, a kind of coking biochemical goes out water coagulation depth, reduce COD handling process, the technique mainly includes absorption
Reaction, coagulation depth decoloring reaction, help solidifying reaction, precipitation reaction and sediment slurry regenerative response.
Coking biochemical water outlet initially enters adsorption tank 1, adds adsorbent slurries from adsorption tank top, enters under fast stirring
Row adsorption reaction, mixing speed 250r/min, 260r/min, 270r/min, 280r/min, 300r/min, 320r/min,
350r/min, 360r/min, 380r/min, 390r/min, 400r/min etc., the residence time can be 1min, 2min, 3min,
4min, 5min, 6min, 7min, 8min, 9min, 10min etc.；
Adsorption tank water outlet overflow enters depth decoloration coagulant pond 2, and decolorising agent is added from the top of coagulating basin 2, is mixed with absorption water outlet
Carry out coagulating under moderate-speed mixer, mixing speed can be 150r/min, 160r/min, 170r/min, 180r/min,
190r/min, 200r/min, 220r/min, 230r/min, 240r/min, 250r/min etc., the residence time can be 5min,
6min, 7min, 8min, 9min, 10min, 11min, 12min, 13min, 14min, 15min etc.；
Coagulating basin water outlet enters from bottom helps solidifying pond 3, while from helping the solidifying top of pond 3 to add flocculation aid, is mixed with coagulating basin water outlet
Carry out helping solidifying reaction in the case where mixing slowly, mixing speed 50r/min, 60r/min, 70r/min, 80r/min, 90r/min,
100r/min, 110r/min, 120r/min, 130r/min, 140r/min, 150r/min etc., the residence time can be 5min,
6min, 7min, 8min, 9min, 10min, 11min, 12min, 13min, 14min, 15min etc., flco are grown into being formed, coagulated
Poly- increase, generates thick closely knit floccule；
The solidifying water outlet of pond 3 is helped to enter sedimentation basin 4, waste water is discharged from the top of sedimentation basin 4, and flco precipitates under gravity, is taken off simultaneously
Toner is except preferably decolorizing effect, while activated carbon flco can be accelerated to precipitate, and sediment slurry is from sedimentation basin bottom through precipitation
Slurry reflux pipeline 13 to adsorption tank 1, sediment slurry reflux ratio is 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%,
100% etc.；
The continuous spoil disposal of the visual water quality situation of sediment slurry or interval spoil disposal, while a part of slurries enter regenerated reactor 16, in acidity
Under the conditions of after Fenton reagent regeneration treatment, decolorising agent can realize partial regeneration under acid condition, while Fenton reagent is oxidable
The organic matter of activated carbon surface absorption, makes regenerating active carbon.Slurries after regeneration enter the weight of adsorption tank 1 together with backflow rear slurry
It is multiple to utilize.
Wherein, adsorbent is Powdered Activated Carbon, modified coal ash, semi-coke powder, bentonite or diatomaceous one or more,
Dosage can be 50mg/L, 60mg/L, 70mg/L, 80mg/L, 90mg/L, 100mg/L, 120mg/L, 150mg/L, 180mg/L,
200mg/L, 220mg/L, 250mg/L, 280mg/L, 300mg/L, 350mg/L, 380mg/L, 400mg/L etc., the decolorising agent
For artificial synthesized macromolecular decolorizing agent or natural polymer decolorising agent, wherein artificial synthesized macromolecular decolorizing agent is polyamine, poly- two
Methyl dipropyl ammonium chloride or dicyandiamide formaldehyde resin, natural polymer decolorising agent be modified starch, chitin or lignin and
Its derivative decolorising agent, decolorising agent dosage can be 50mg/L, 60mg/L, 70mg/L, 80mg/L, 90mg/L, 100mg/L,
120mg/L, 150-mg/L, 180mg/L, 190mg/L, 200mg/L etc.；The flocculation aid is PAMA, is added
Measure for 2mg/L, 3mg/L, 4mg/L, 5mg/L, 6mg/L, 7mg/L, 8mg/L, 9mg/L, 10mg/L, 11mg/L, 12mg/L,
13mg/L, 14mg/L, 15mg/L etc.；The Fenton reagent is sulfuric acid, ferrous sulfate and hydrogen peroxide.
Embodiment 1
Certain disposal of coking plant waste water bio-chemical effluent water quality index is COD=260mg/L, and 230 times of colourity, outward appearance is in brown color muddiness
State, the waste water is handled using this technique, adsorbent uses 10% Powdered Activated Carbon slurries, and activated carbon dosage is
60mg/L, decolorising agent use 10% dicyandiamide formaldehyde resin solution, and decolorising agent dosage is 50ppm, and flocculation aid is gathered using anion
Acrylamide, dosage 4mg/L.Regenerative agent uses sulfuric acid, ferrous sulfate and hydrogenperoxide steam generator, using after this PROCESS FOR TREATMENT
The outward appearance of water outlet is in water white transparency state, and chroma stability is at 5 times, and for COD averagely in 95mg/L, average sludge output is 0.084g/L,
Flco can stablize backflow more than 10 times.
Embodiment 2
Certain disposal of coking plant waste water bio-chemical effluent water quality index is COD=160mg/L, and 120 times of colourity, outward appearance is in light yellow clear
State, the waste water is handled using this technique, adsorbent uses 10% modified semicoke slurry liquid, and activated carbon dosage is
30mg/L, decolorising agent use 10% polyamine solution, and decolorising agent dosage is 50ppm, and flocculation aid uses PAMA,
Dosage is 4mg/L.Regenerative agent uses sulfuric acid, ferrous sulfate and hydrogenperoxide steam generator, using after this PROCESS FOR TREATMENT water outlet it is outer
Sight is in water white transparency state, and chroma stability is at 5 times, and COD is averagely in 75mg/L, and average sludge output is 0.052g/L, and flco can be steady
Surely flow back more than 10 times.
Embodiment 3
Certain disposal of coking plant waste water bio-chemical effluent water quality index is COD=200mg/L, and 180 times of colourity, outward appearance is in yellow muddiness shape
State, the waste water is handled using this technique, adsorbent uses 10% pulverized fuel ash slurry, and flyash dosage is 50mg/L, takes off
Toner uses 10% poly dimethyl dipropyl ammonium chloride solution, and decolorising agent dosage is 100ppm, and flocculation aid uses anion poly- third
Acrylamide, dosage 4mg/L.Regenerative agent uses sulfuric acid, ferrous sulfate and hydrogenperoxide steam generator, goes out using after this PROCESS FOR TREATMENT
The outward appearance of water is in water white transparency state, and chroma stability is at 5 times, and COD is averagely in 85mg/L, and average sludge output is 0.074g/L, wadding
Body can stablize backflow more than 10 times.
Embodiment 4
Certain disposal of coking plant waste water bio-chemical effluent water quality index is COD=242mg/L, and 260 times of colourity, outward appearance is in brown color muddiness
State, the waste water is handled using this technique, adsorbent uses 10% modification infusorial earth slurries, modification infusorial earth dosage
For 150mg/L, decolorising agent uses 10% modified starch decolouring agent solution, and decolorising agent dosage is 150ppm, flocculation aid using it is cloudy from
Sub- polyacrylamide, dosage 4mg/L.Regenerative agent uses sulfuric acid, ferrous sulfate and hydrogenperoxide steam generator, using this technique place
The outward appearance of water outlet is in water white transparency state after reason, and at 5 times, COD is average to be chroma stability in 110mg/L, average sludge output
0.173g/L, flco can stablize backflow more than 10 times.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although reference
The present invention is described in detail for preferred embodiment, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among the scope of the claims of the present invention.
Claims (10)
- Decolourize 1. a kind of coking biochemical goes out water coagulation depth, reduce COD handling process, it is characterised in that first enter the waste water Row adsorption reaction, water outlet are further carried out helping solidifying, precipitation, the sediment slurry portion finally given after coagulation depth decoloring reaction Divide and return to adsorption reaction, be partly used to regenerate.
- 2. handling process as claimed in claim 1, it is characterised in that the sediment slurry after the sediment slurry regeneration with return Enter adsorption reaction together to recycle.
- 3. handling process as claimed in claim 1 or 2, it is characterised in that after the waste water enters adsorption tank, from adsorption tank Portion adds adsorbent slurries, and is quickly stirred, and carries out adsorption reaction, and water outlet overflow enters depth decoloration coagulant pond；The adsorbent is Powdered Activated Carbon, modified coal ash, semi-coke powder, bentonite or diatomaceous one or more；The dosage of the adsorbent is 50-400mg/L.
- 4. handling process as claimed in claim 3, it is characterised in that adsorption tank water outlet overflow enters depth decoloration coagulant pond, from Coagulating basin top adds decolorising agent, is mixed with absorption water outlet, and carries out moderate-speed mixer, carries out coagulation depth decoloring reaction, coagulation Water outlet enters from bottom helps solidifying reaction tank；The decolorising agent is artificial synthesized macromolecular decolorizing agent or natural polymer decolorising agent；The artificial synthesized macromolecular decolorizing agent is polyamine, poly dimethyl dipropyl ammonium chloride or dicyandiamide formaldehyde resin；The natural polymer decolorising agent is modified starch, chitin or lignin and its derivative decolorising agent；The decolorising agent dosage is 50-200mg/L.
- 5. handling process as claimed in claim 4, it is characterised in that coagulation water outlet, which enters, helps solidifying reaction tank, from helping on solidifying pond Portion adds flocculation aid, is mixed with coagulation water outlet, and is mixed slowly, and carries out helping solidifying reaction to form floccule, water outlet enters heavy Shallow lake pond；The flocculation aid is PAMA；The flocculation aid dosage is 2-15mg/L.
- 6. handling process as claimed in claim 5, it is characterised in that help solidifying pond water outlet to enter sedimentation basin, through precipitation, water outlet from Sedimentation basin top is discharged, and sediment slurry part returns to adsorption tank from sedimentation basin bottom through slurry reflux pipeline, partly enters regeneration Pond；Sediment slurry reflux ratio is 10% ~ 100%.
- 7. handling process as claimed in claim 3, it is characterised in that the mixing speed of the adsorption reaction is 250-400r/ Min, residence time 1-10min.
- 8. handling process as claimed in claim 4, it is characterised in that the mixing speed 150- of the coagulation depth decoloring reaction 250r/min, residence time 5-15min.
- 9. handling process as claimed in claim 5, it is characterised in that it is described to help solidifying reaction mixing speed 50-150r/min, stop It is 5-15min to stay the time.
- 10. handling process as claimed in claim 1, it is characterised in that the sediment slurry regeneration is by acid condition It is lower to be handled through Fenton reagent, so as to realize decolorising agent and regenerating active carbon；The Fenton reagent is sulfuric acid, ferrous sulfate or hydrogen peroxide.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368849A (en) * | 2018-11-01 | 2019-02-22 | 深圳永清水务有限责任公司 | A kind of depth decoloration process of livestock breeding wastewater |
| CN109516608A (en) * | 2019-01-03 | 2019-03-26 | 北京国电富通科技发展有限责任公司 | A kind of advanced treatment process of coking waste water and processing system |
| CN110342684A (en) * | 2019-07-29 | 2019-10-18 | 上海电力大学 | Efficient precipitation device and process with ammonia nitrogen removal capability |
| CN112850946A (en) * | 2020-12-27 | 2021-05-28 | 中冶焦耐(大连)工程技术有限公司 | Method for treating coking wastewater by enhanced Fenton oxidation process |
| CN113912221A (en) * | 2021-11-23 | 2022-01-11 | 詹长贵 | Coking wastewater treatment process |
| CN114506980A (en) * | 2022-02-28 | 2022-05-17 | 宝钢湛江钢铁有限公司 | Method for removing organic nitrogen and soluble organic matters in cold rolling emulsion wastewater |
| CN115571970A (en) * | 2022-12-07 | 2023-01-06 | 河北协同水处理技术有限公司 | Intelligent integrated pretreatment device and process for coking wastewater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52126064A (en) * | 1976-04-15 | 1977-10-22 | Sekisui Chem Co Ltd | Process for treating waste water of regenerated paper production |
| CN103466768A (en) * | 2013-09-18 | 2013-12-25 | 北京大学 | Floc reflux coagulation process for treating biochemical printing and dyeing effluent |
| CN104086046A (en) * | 2014-07-16 | 2014-10-08 | 南宁市桂润环境工程有限公司 | Efficient decolorization process for wastewater generated by brewing of white spirit |
| CN106746052A (en) * | 2017-01-14 | 2017-05-31 | 甘肃新天亿环保工程有限公司 | A kind of reverse-flow type iron-carbon micro-electrolysis couple Fenton treatment reaction devices |
| CN107162350A (en) * | 2017-07-19 | 2017-09-15 | 北京赛科康仑环保科技有限公司 | A kind of method of wastewater treatment of cascade utilization Powdered Activated Carbon |
| CN107162287A (en) * | 2017-07-05 | 2017-09-15 | 北京中科康仑环境科技研究院有限公司 | A kind of advanced treating technology for industrial sewage recycled based on activated carbon |
-
2017
- 2017-10-09 CN CN201710928535.9A patent/CN107473455A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52126064A (en) * | 1976-04-15 | 1977-10-22 | Sekisui Chem Co Ltd | Process for treating waste water of regenerated paper production |
| CN103466768A (en) * | 2013-09-18 | 2013-12-25 | 北京大学 | Floc reflux coagulation process for treating biochemical printing and dyeing effluent |
| CN104086046A (en) * | 2014-07-16 | 2014-10-08 | 南宁市桂润环境工程有限公司 | Efficient decolorization process for wastewater generated by brewing of white spirit |
| CN106746052A (en) * | 2017-01-14 | 2017-05-31 | 甘肃新天亿环保工程有限公司 | A kind of reverse-flow type iron-carbon micro-electrolysis couple Fenton treatment reaction devices |
| CN107162287A (en) * | 2017-07-05 | 2017-09-15 | 北京中科康仑环境科技研究院有限公司 | A kind of advanced treating technology for industrial sewage recycled based on activated carbon |
| CN107162350A (en) * | 2017-07-19 | 2017-09-15 | 北京赛科康仑环保科技有限公司 | A kind of method of wastewater treatment of cascade utilization Powdered Activated Carbon |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368849A (en) * | 2018-11-01 | 2019-02-22 | 深圳永清水务有限责任公司 | A kind of depth decoloration process of livestock breeding wastewater |
| CN109516608A (en) * | 2019-01-03 | 2019-03-26 | 北京国电富通科技发展有限责任公司 | A kind of advanced treatment process of coking waste water and processing system |
| CN110342684A (en) * | 2019-07-29 | 2019-10-18 | 上海电力大学 | Efficient precipitation device and process with ammonia nitrogen removal capability |
| CN110342684B (en) * | 2019-07-29 | 2024-04-26 | 上海电力大学 | Efficient precipitation device and process with ammonia nitrogen removal capability |
| CN112850946A (en) * | 2020-12-27 | 2021-05-28 | 中冶焦耐(大连)工程技术有限公司 | Method for treating coking wastewater by enhanced Fenton oxidation process |
| CN113912221A (en) * | 2021-11-23 | 2022-01-11 | 詹长贵 | Coking wastewater treatment process |
| CN114506980A (en) * | 2022-02-28 | 2022-05-17 | 宝钢湛江钢铁有限公司 | Method for removing organic nitrogen and soluble organic matters in cold rolling emulsion wastewater |
| CN114506980B (en) * | 2022-02-28 | 2023-10-10 | 宝钢湛江钢铁有限公司 | Method for removing organic nitrogen and soluble organic matters in cold rolling emulsion wastewater |
| CN115571970A (en) * | 2022-12-07 | 2023-01-06 | 河北协同水处理技术有限公司 | Intelligent integrated pretreatment device and process for coking wastewater |
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