CN107892373A - A kind of physical chemistry composite flocculation agent and preparation method thereof - Google Patents
A kind of physical chemistry composite flocculation agent and preparation method thereof Download PDFInfo
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- CN107892373A CN107892373A CN201711133549.8A CN201711133549A CN107892373A CN 107892373 A CN107892373 A CN 107892373A CN 201711133549 A CN201711133549 A CN 201711133549A CN 107892373 A CN107892373 A CN 107892373A
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- 238000005189 flocculation Methods 0.000 title claims abstract description 29
- 230000016615 flocculation Effects 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 32
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 229940037003 alum Drugs 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- CHRJZRDFSQHIFI-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;styrene Chemical compound C=CC1=CC=CC=C1.C=CC1=CC=CC=C1C=C CHRJZRDFSQHIFI-UHFFFAOYSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- -1 acyl Amine Chemical class 0.000 claims 2
- 125000002252 acyl group Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 206010061592 cardiac fibrillation Diseases 0.000 claims 1
- 230000002600 fibrillogenic effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003311 flocculating effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003463 adsorbent Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- MVZXTUSAYBWAAM-UHFFFAOYSA-N iron;sulfuric acid Chemical compound [Fe].OS(O)(=O)=O MVZXTUSAYBWAAM-UHFFFAOYSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/28—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
- C02F1/52—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
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)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of physical chemistry composite flocculation agent and preparation method thereof, the physical chemistry composite flocculation agent includes the raw material of following parts by weight：4~8 parts of modified polyacrylamide, 16~32 parts of alum, 6~12 parts of modified adsorption resin；Its preparation method comprises the following steps：Modified polyacrylamide and modified adsorption resin are respectively placed in dryer processing is dried, modified polyacrylamide and modified adsorption resin after alum and drying are weighed by proportion again, it is placed in batch mixer, the temperature for setting batch mixer is 20~40 DEG C, the speed of mainshaft of batch mixer is 29~51 r/min, it is well mixed, dispense and produce physical chemistry composite flocculation agent.Flocculant proposed by the present invention, the effect of flocculation is cooperateed with by the way of physical chemistry is engaged, formula is reasonable, and usage amount is few, and flocculating effect is good, and less residue, use cost is low, and preparation method is simple to operate, and reappearance is high, suitable for industrialized production.
Description
Technical field
The present invention relates to technical field of chemistry, more particularly to a kind of physical-chemical composite flocculation agent and preparation method thereof.
Background technology
Flocculant is mainly to carry the particle for being difficult to separate that opposite-sign is carried in positive or negative electrical group and in water,
Its potential is reduced, is at unstable state, and make it that difficult separation particle is concentrated in water using the aggregation property of flocculant, and
Separated by physics or chemical method, its application field is numerous, especially in feedwater and the application of sewage treatment area
Frequency is quite high.The flocculant used at present is broadly divided into three classes：Inorganic flocculating agent, such as poly-ferric chloride, aluminium polychloride, sulfuric acid
Iron, aluminum sulfate；Organic flocculant, such as polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, chitin, starch, cellulose, melon
That glue；Microbial flocculant, such as biological cell or natural organic-biological macromolecular or pass through the modified biological flocculant obtained.
But respectively there are advantage and disadvantage, inorganic flocculating agent is easily reduced compared with COD for organic flocculant, is cheap, ample supply and prompt delivery, but molecular weight
It is small, usage amount is big, use cost is high, corrosive equipment, and the molecular weight of organic flocculant is big, dosage is small, the scope of application is wide, but single
Ton price height, complex manufacturing, small on COD influences, the species of microbial flocculant is various, and surface area is big, and conversion capability is strong,
Reproduction speed is fast, easily variation, and distribution is wide, but the flocculating effect of microbial flocculant by sample-adding amount, pH value, metal ion, temperature,
Mixing speed and water quality have a great influence.Based on the shortcomings of the prior art, the present invention proposes a kind of compound wadding of physical-chemical
Solidifying agent and preparation method thereof.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of physical-chemical proposed is compound
Flocculant and preparation method thereof.
A kind of physical-chemical composite flocculation agent, include the raw material of following parts by weight：4~8 parts of modified polyacrylamide, it is bright
16~32 parts of alum, 6~12 parts of modified adsorption resin.
Preferably, the physical-chemical composite flocculation agent includes the raw material of following parts by weight：6 parts of modified polyacrylamide,
24 parts of alum, 8 parts of modified adsorption resin.
Preferably, the mass ratio of the modified polyacrylamide, alum and modified macroporous absorbent resin is 2~4：10~
14：3~5, it is further preferred that the mass ratio of the modified polyacrylamide, alum and modified macroporous absorbent resin is 3：12：
4。
Preferably, the modified polyacrylamide is activated carbon modified polyacrylamide, the modified polyacrylamide
Preparation method comprise the following steps：Acrylamide, crosslinking agent, isopropanol are placed in reactor, adds and lives after being well mixed
Property charcoal, continue to mix to uniform, then be warming up to 54~60 DEG C, add ammonium persulfate, be incubated 30min, then add formic acid to discharge and produce
Modified polyacrylamide.
Preferably, the styrene-divinylbenzene EVA that the modified adsorption resin is modified for sea-island fibre, the modification
The preparation method of polymeric adsorbent comprises the following steps：Dissolve polyvinyl alcohol in water, add initiator, crosslinking agent, styrene
The sea-island fibre added after monomer, 3~5min of divinylbenzene monomer high-speed stirred after peeling process, continue high-speed stirred, wait to mix
After closing uniformly, 70~75 DEG C are warming up to, reacts 65~75min, then is warming up to 80~85 DEG C, reacts 25~35min, reaction terminates
Filter, dry afterwards, produce modified adsorption resin.
Preferably, the method for the sea-island fibre peeling process is：It is 5~8g/L's that sea-island fibre is placed in into mass concentration
In sodium hydroxide solution, and 15~25min is handled in 60~80 DEG C, then through washing, produce the sea-island fibre after peeling process.
The invention also provides a kind of preparation method of physical-chemical composite flocculation agent, comprise the following steps：Will be modified poly-
Acrylamide and modified adsorption resin, which are respectively placed in dryer, is dried processing, then by proportion weigh alum and drying after
Modified polyacrylamide and modified adsorption resin, be placed in batch mixer, set batch mixer temperature be 20~40 DEG C, batch mixer
The speed of mainshaft be 29~51 r/min, be well mixed, dispense and produce physical-chemical composite flocculation agent.
Compared with prior art, technical solution of the present invention has the beneficial effect that：Flocculant proposed by the present invention, using thing
The mode that reason-chemistry is engaged cooperates with the effect of flocculation, and formula is reasonable, and usage amount is few, and flocculating effect is good, less residue, uses
Cost is low, and preparation method is simple to operate, and reappearance is high, suitable for industrialized production；Using the modified polypropene of rational proportion
Acid amides, alum and modified adsorption resin are mixed, and improve the flocculating effect of flocculant, and activity is added in polyacrylamide
Charcoal, existence form of the activated carbon in water sample is handled both was controlled, has been easy to the post processing of activated carbon, again can be when in use to processing
Impurity in water sample plays suction-operated, coordinates polyacrylamide to improve the impurity-eliminating effect of flocculant；And in the system of polymeric adsorbent
The sea-island fibre added when standby after peeling process can further improve the specific surface area of polymeric adsorbent, make conventional absorbtion resin
Specific surface area significantly increases, and improves the flocculation crane span structure effect of flocculant, while reduces the value of COD in processing water sample, in addition,
The present invention also proposes a kind of method for preparing physics-Chemical compound flocculant simple to operate, fidelity factor is high.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of physical-chemical composite flocculation agent proposed by the present invention, include the raw material of following parts by weight：Modified polyacrylamide 8
Part, 24 parts of alum, 10 parts of modified adsorption resin；Its preparation method comprises the following steps：By modified polyacrylamide and modified suction
Attached resin, which is respectively placed in dryer, is dried processing, then the modified polyacrylamide after alum and drying is weighed by proportion
And modified adsorption resin, it is placed in batch mixer, the temperature for setting batch mixer is 30 DEG C, and the speed of mainshaft of batch mixer is 36 r/
Min, it is well mixed, dispenses and produce physical-chemical composite flocculation agent.
Embodiment two
A kind of physical-chemical composite flocculation agent proposed by the present invention, include the raw material of following parts by weight：Modified polyacrylamide 6
Part, 24 parts of alum, 10 parts of modified adsorption resin；Its preparation method comprises the following steps：By modified polyacrylamide and modified suction
Attached resin, which is respectively placed in dryer, is dried processing, then the modified polyacrylamide after alum and drying is weighed by proportion
And modified adsorption resin, it is placed in batch mixer, the temperature for setting batch mixer is 40 DEG C, and the speed of mainshaft of batch mixer is 51 r/
Min, it is well mixed, dispenses and produce physical-chemical composite flocculation agent.
Embodiment three
A kind of physical-chemical composite flocculation agent proposed by the present invention, include the raw material of following parts by weight：Modified polyacrylamide 6
Part, 24 parts of alum, 8 parts of modified adsorption resin；Its preparation method comprises the following steps：By modified polyacrylamide and modified absorption
Resin, which is respectively placed in dryer, is dried processing, then by proportion weigh alum and drying after modified polyacrylamide and
Modified adsorption resin, it is placed in batch mixer, the temperature for setting batch mixer is 30 DEG C, and the speed of mainshaft of batch mixer is 36 r/min,
It is well mixed, dispense and produce physical-chemical composite flocculation agent.
Comparative example one
The quality such as the modified polyacrylamide in embodiment one are substituted for alum, other conditions are identical with embodiment one.
Comparative example two
The quality such as the modified adsorption resin in embodiment one are substituted for alum, other conditions are identical with embodiment one.
In above-described embodiment and comparative example, modified polyacrylamide is activated carbon modified polyacrylamide, the modification
The preparation method of polyacrylamide comprises the following steps：Acrylamide, crosslinking agent, isopropanol are placed in reactor, mixing is equal
Activated carbon is added after even, is continued to mix to uniform, then is warming up to 56 DEG C, ammonium persulfate is added, is incubated 30min, then add formic acid to go out
Expect to produce modified polyacrylamide；Modified adsorption resin is the styrene-divinylbenzene EVA that sea-island fibre is modified, described to change
The preparation method of property polymeric adsorbent comprises the following steps：Dissolve polyvinyl alcohol in water, add initiator, crosslinking agent, benzene second
The sea-island fibre added after alkene monomer, divinylbenzene monomer high-speed stirred 4min after peeling process, continue high-speed stirred, it is to be mixed
After uniformly, 73 DEG C are warming up to, reacts 70min, then is warming up to 83 DEG C, reacts 30min, filtering, drying, produce and change after reaction terminates
Property polymeric adsorbent.
The flocculant prepared using embodiment one, embodiment two, embodiment three, comparative example one and comparative example two is to humic
Acid-Kaolin water sample carries out flocculation treatment, and addition is 1mg/L, processing time 2h, calculates clearance, as a result such as
Under：
Using flocculant prepared by different amounts of embodiment three to humic acid-Kaolin water sample progress flocculation treatment, and in
0.5h, 1h, 2h and 3h are detected respectively, calculate clearance, as a result as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, technique according to the invention scheme and its invention
Design is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of physical-chemical composite flocculation agent, it is characterised in that include the raw material of following parts by weight：Modified polyacrylamide 4
~8 parts, 16~32 parts of alum, 6~12 parts of modified adsorption resin.
2. a kind of physical-chemical composite flocculation agent according to claim 1, it is characterised in that the physical-chemical is compound
Flocculant includes the raw material of following parts by weight：6 parts of modified polyacrylamide, 24 parts of alum, 8 parts of modified adsorption resin.
A kind of 3. physical-chemical composite flocculation agent according to claim 1, it is characterised in that the modified polypropene acyl
The mass ratio of amine, alum and modified macroporous absorbent resin is 2~4：10~14：3~5.
A kind of 4. physical-chemical composite flocculation agent according to claim 1, it is characterised in that the modified polypropene acyl
Amine is activated carbon modified polyacrylamide, and the preparation method of the modified polyacrylamide comprises the following steps：By acryloyl
Amine, crosslinking agent, isopropanol are placed in reactor, and activated carbon is added after well mixed, are continued to mix to uniform, then it is warming up to 54~
60 DEG C, ammonium persulfate is added, is incubated 30min, then adds formic acid to discharge and produces modified polyacrylamide.
A kind of 5. physical-chemical composite flocculation agent according to claim 1, it is characterised in that the modified adsorption resin
The styrene-divinylbenzene EVA being modified for sea-island fibre, the preparation method of the modified adsorption resin comprise the following steps：
Dissolve polyvinyl alcohol in water, add initiator, crosslinking agent, styrene monomer, 3~5min of divinylbenzene monomer high-speed stirred
The sea-island fibre added afterwards after peeling process, continues high-speed stirred, it is to be mixed uniformly after, be warming up to 70~75 DEG C, reaction 65~
75min, then 80~85 DEG C are warming up to, 25~35min is reacted, filtering, drying, produce modified adsorption resin after reaction terminates.
A kind of 6. physical-chemical composite flocculation agent according to claim 5, it is characterised in that the sea-island fibre fibrillation
The method of stripping is：Sea-island fibre is placed in the sodium hydroxide solution that mass concentration is 5~8g/L, and in 60~80 DEG C of processing
15~25min, then through washing, produce the sea-island fibre after peeling process.
7. a kind of preparation method of physical-chemical composite flocculation agent, it is characterised in that comprise the following steps：By modified polypropene
Acid amides and modified adsorption resin, which are respectively placed in dryer, is dried processing, then by proportion weigh alum and drying after change
Property polyacrylamide and modified adsorption resin, be placed in batch mixer, the temperature for setting batch mixer is 20~40 DEG C, the master of batch mixer
Rotating speed is 29~51 r/min, is well mixed, dispenses and produce physical-chemical composite flocculation agent.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292940A (en) * | 2018-10-31 | 2019-02-01 | 中徽生态环境有限公司 | A kind of environmentally friendly preparation and preparation method thereof for administering city black and odorous water |
| CN109292940B (en) * | 2018-10-31 | 2019-09-13 | 中徽生态环境有限公司 | A kind of environmentally friendly preparation and preparation method thereof for administering city black and odorous water |
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