CN105967292A - Flocculating agent for sewage and preparation method thereof - Google Patents
Flocculating agent for sewage and preparation method thereof Download PDFInfo
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- CN105967292A CN105967292A CN201610340547.5A CN201610340547A CN105967292A CN 105967292 A CN105967292 A CN 105967292A CN 201610340547 A CN201610340547 A CN 201610340547A CN 105967292 A CN105967292 A CN 105967292A
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- 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
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- 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
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- 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
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- 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
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a flocculating agent for sewage and a preparation method thereof. The flocculating agent for the sewage is prepared from the following raw materials in parts by weight: dimethyl diallyl ammonium chloride, sodium silicate, acrylamide, dibenzoyl beroxide, tert-butyl alcohol, ferric chloride, aluminum sulfate octadecahydrate, polyaluminum chloride, ferrous sulfate, polyphosphorus ferric chloride, chitosan, sodium alginate, polyvinyl pyridine salt, a porous adsorbent, sodium bicarbonate, lignin, triethylenetriamide, formaldehyde sodium bisulfite, propionic aldehyde and alums. The capacity and density of the flocculating agent are increased and the flocculating effect is improved; suspension substances in the sewage can be effectively and rapidly flocculated and are gathered into clustered substances which are not easy to disperse and convenient to separate; meanwhile, the corrosion of the flocculating agent to pipeline equipment is lower than that of other similar flocculating agents; the chemical oxygen demand COD, the biochemical oxygen demand BOD and the suspension substances SS of the treated sewage are obviously reduced, and the total nitrogen, ammonia nitrogen and chroma are also reduced.
Description
Technical field
The present invention relates to a kind of sewage-treating agent, specifically a kind of flocculant for sewage and preparation method thereof.
Background technology
Along with the quickening of Urbanization in China, at present, the quantity of wastewater effluent in small and medium-sized cities (town) accounts for whole nation sewage discharge
More than half of total amount, along with the discharge capacity of the fast development of future 50 years city-building, sanitary sewage and industrial wastewater will
Meeting several times, the increase of even tens times, certainly will aggravate the deterioration of water environment.In conjunction with China's present stage sewage disposal career development
Present situation and problems faced, propose the development trend of present stage wastewater treatment in China technology remain, high efficiency simple with development,
The sewage disposal technology of low energy consumption is main.In traditional sewage disposal system, using sedimentation tank to carry out sewage retrogradation shallow lake, it is not
The good condition of particle aggregation can be formed, it is impossible to generate granule type floccule body so that solid-liquid separation efficiency is the lowest.
Summary of the invention
It is an object of the invention to provide a kind of low cost, the flocculant for sewage that flocculating effect is good and preparation method thereof, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.01-0.05 part, silicon
Acid sodium 0.3-0.7 part, acrylamide 3-5 part, dibenzoyl peroxide 0.1-0.3 part, tert-butyl alcohol 30-50 part, ferric chloride
0.6-1 part, aluminum sulfate octadecahydrate 4-6 part, aluminium polychlorid 6-8 part, ferrous sulfate 10-15 part, poly-phosphorus iron chloride 3-5
Part, chitosan 5-10 part, alginic acid sodium 10-14 part, polyvinyl pyridine salt 10-14 part, porous adsorbent 14-18 part,
Sodium bicarbonate 1-2 part, lignin 60-80 part, triethylene triamine 20-30 part, sodium hydroxymethane sulfonate 15-25 part, propionic aldehyde
6-8 part, Alumen 10-15 part.
As the further scheme of the present invention: described flocculant for sewage, include according to the raw material of weight portion: dimethyl diene
Propyl ammonium chloride 0.02-0.04 part, sodium silicate 0.4-0.6 part, acrylamide 3.5-4.5 part, dibenzoyl peroxide 0.15-0.25
Part, tert-butyl alcohol 35-45 part, ferric chloride 0.7-0.9 part, aluminum sulfate octadecahydrate 4.5-5.5 part, aluminium polychlorid 6.5-7.5
Part, ferrous sulfate 11-14 part, poly-phosphorus iron chloride 3.5-4.5 part, chitosan 6-9 part, alginic acid sodium 11-13 part, poly-second
Annulated pyridine salt 11-13 part, porous adsorbent 15-17 part, sodium bicarbonate 1.2-1.8 part, lignin 65-75 part, triethylene
Triamine 22-28 part, sodium hydroxymethane sulfonate 18-22 part, propionic aldehyde 6.5-7.5 part, Alumen 11-14 part.
As the further scheme of the present invention: described flocculant for sewage, include according to the raw material of weight portion: dimethyl diene
Propyl ammonium chloride 0.03 part, sodium silicate 0.5 part, acrylamide 4 parts, dibenzoyl peroxide 0.2 part, the tert-butyl alcohol 40 parts,
Ferric chloride 0.8 part, aluminum sulfate octadecahydrate 5 parts, aluminium polychlorid 7 parts, 12 parts of ferrous sulfate, 4 parts of poly-phosphorus iron chloride,
Chitosan 8 parts, 12 parts of alginic acid sodium, polyvinyl pyridine salt 12 parts, porous adsorbent 16 parts, sodium bicarbonate 1.5 parts,
Lignin 70 parts, triethylene triamine 25 parts, sodium hydroxymethane sulfonate 20 parts, propionic aldehyde 7 parts, 12 parts of Alumen.
As the present invention further scheme: described porous adsorbent is kieselguhr, activated carbon, silica gel or activated alumina
In one or more.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, is polymerized 2-4h at 50-70 DEG C, obtains polyacrylamide water solution；
(3), after the water of lignin and 70-80 part being mixed, regulate pH to 10, add propionic aldehyde and be stirred, then add
Enter diethylenetriamine, be warming up to 80-100 DEG C, add sodium hydroxymethane sulfonate and carry out sulfonating reaction, filter after insulation 2-4h, dry
Dry obtain material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 10-20min, supersound process
Frequency is 50-60KHz, and the power of supersound process is 400-600w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 100-120 DEG C, stir 3-5h under the pressure of 0.2-0.4MPa and obtain material C；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
Compared with prior art, the invention has the beneficial effects as follows:
The volume of flocculant of the present invention and density increase, and flocculating effect improves, can be fast and effectively by fast for the float in sewage
Speed flocculation, and dough can be polymerized to, it is difficult to dispersion, it is simple to separate, simultaneously to pipe-line equipment corrosivity less than other similar waddings
Coagulating agent, COD COD of the sewage after process, Biochemical oxygen demand BOD, ss suspended solid the most substantially reduce, total nitrogen,
Ammonia nitrogen and colourity also decrease.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.01 part, sodium silicate
0.3 part, acrylamide 3 parts, dibenzoyl peroxide 0.1 part, the tert-butyl alcohol 30 parts, ferric chloride 0.6 part, 18 water
4 parts of aluminum sulfate, aluminium polychlorid 6 parts, 10 parts of ferrous sulfate, 3 parts of poly-phosphorus iron chloride, chitosan 5 parts, alginic acid
10 parts of sodium, polyvinyl pyridine salt 10 parts, porous adsorbent 14 parts, sodium bicarbonate 1 part, lignin 60 parts, triethylene
Triamine 20 parts, sodium hydroxymethane sulfonate 15 parts, propionic aldehyde 6 parts, 10 parts of Alumen.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, is polymerized 2h at 50 DEG C, obtains polyacrylamide water solution；
(3), after the water of lignin and 70 parts being mixed, regulate pH to 10, add propionic aldehyde and be stirred, be subsequently added into
Diethylenetriamine, is warming up to 80 DEG C, adds sodium hydroxymethane sulfonate and carries out sulfonating reaction, filters, be dried to obtain after insulation 2h
Material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 10min, the frequency of supersound process
Rate is 50KHz, and the power of supersound process is 400w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 100 DEG C, stir 3h under the pressure of 0.2MPa and obtain material C；Described porous
Adsorbent is kieselguhr；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
Embodiment 2
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.02 part, sodium silicate
0.4 part, acrylamide 3.5 parts, dibenzoyl peroxide 0.15 part, the tert-butyl alcohol 35 parts, ferric chloride 0.7 part, 18
4.5 parts of water aluminum sulfate, aluminium polychlorid 6.5 parts, 11 parts of ferrous sulfate, 3.5 parts of poly-phosphorus iron chloride, chitosan 6 parts,
11 parts of alginic acid sodium, polyvinyl pyridine salt 11 parts, porous adsorbent 15 parts, sodium bicarbonate 1.2 parts, lignin 65 parts,
Triethylene triamine 22 parts, sodium hydroxymethane sulfonate 18 parts, propionic aldehyde 6.5 parts, 11 parts of Alumen.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, is polymerized 2.5h at 55 DEG C, obtains polyacrylamide water solution；
(3), after the water of lignin and 72 parts being mixed, regulate pH to 10, add propionic aldehyde and be stirred, be subsequently added into
Diethylenetriamine, is warming up to 85 DEG C, adds sodium hydroxymethane sulfonate and carries out sulfonating reaction, filters, be dried after insulation 2.5h
To material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 12min, the frequency of supersound process
Rate is 52KHz, and the power of supersound process is 450w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 105 DEG C, stir 3-5h under the pressure of 0.25MPa and obtain material C；Described many
Hole adsorbent is activated carbon；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
Embodiment 3
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.03 part, sodium silicate
0.5 part, acrylamide 4 parts, dibenzoyl peroxide 0.2 part, the tert-butyl alcohol 40 parts, ferric chloride 0.8 part, 18 water
5 parts of aluminum sulfate, aluminium polychlorid 7 parts, 12 parts of ferrous sulfate, 4 parts of poly-phosphorus iron chloride, chitosan 8 parts, alginic acid
12 parts of sodium, polyvinyl pyridine salt 12 parts, porous adsorbent 16 parts, sodium bicarbonate 1.5 parts, lignin 70 parts, three second
Alkene triamine 25 parts, sodium hydroxymethane sulfonate 20 parts, propionic aldehyde 7 parts, 12 parts of Alumen.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, polyase 13 h at 60 DEG C, obtain polyacrylamide water solution；
(3), after the water of lignin and 75 parts being mixed, regulate pH to 10, add propionic aldehyde and be stirred, be subsequently added into
Diethylenetriamine, is warming up to 90 DEG C, adds sodium hydroxymethane sulfonate and carries out sulfonating reaction, filters, be dried to obtain after insulation 3h
Material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 15min, the frequency of supersound process
Rate is 55KHz, and the power of supersound process is 500w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 110 DEG C, stir 3-5h under the pressure of 0.3MPa and obtain material C；Described many
Hole adsorbent is silica gel；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
Embodiment 4
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.04 part, sodium silicate
0.6 part, acrylamide 4.5 parts, dibenzoyl peroxide 0.25 part, the tert-butyl alcohol 45 parts, ferric chloride 0.9 part, 18
5.5 parts of water aluminum sulfate, aluminium polychlorid 7.5 parts, 14 parts of ferrous sulfate, 4.5 parts of poly-phosphorus iron chloride, chitosan 9 parts,
13 parts of alginic acid sodium, polyvinyl pyridine salt 13 parts, porous adsorbent 17 parts, sodium bicarbonate 1.8 parts, lignin 75 parts,
Triethylene triamine 28 parts, sodium hydroxymethane sulfonate 22 parts, propionic aldehyde 7.5 parts, 14 parts of Alumen.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, polyase 13 .5h at 65 DEG C, obtain polyacrylamide water solution；
(3), after the water of lignin and 78 parts being mixed, regulate pH to 10, add propionic aldehyde and be stirred, be subsequently added into
Diethylenetriamine, is warming up to 95 DEG C, adds sodium hydroxymethane sulfonate and carries out sulfonating reaction, filters, be dried after insulation 3.5h
To material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 18min, the frequency of supersound process
Rate is 58KHz, and the power of supersound process is 550w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 115 DEG C, stir 4.5h under the pressure of 0.35MPa and obtain material C；Described many
Hole adsorbent is activated alumina；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
Embodiment 5
A kind of flocculant for sewage, includes according to the raw material of weight portion: dimethyl diallyl ammonium chloride 0.05 part, sodium silicate
0.7 part, acrylamide 5 parts, dibenzoyl peroxide 0.3 part, the tert-butyl alcohol 50 parts, ferric chloride 1 part, 18 water sulfur
Acid 6 parts of aluminum, aluminium polychlorid 8 parts, 15 parts of ferrous sulfate, 5 parts of poly-phosphorus iron chloride, chitosan 10 parts, alginic acid sodium
14 parts, polyvinyl pyridine salt 14 parts, porous adsorbent 18 parts, sodium bicarbonate 2 parts, lignin 80 parts, triethylene three
Amine 30 parts, sodium hydroxymethane sulfonate 25 parts, propionic aldehyde 8 parts, 15 parts of Alumen.
The preparation method of described flocculant for sewage, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, is polymerized 4h at 70 DEG C, obtains polyacrylamide water solution；
(3), after the water of lignin and 80 parts being mixed, regulate pH to 10, add propionic aldehyde and be stirred, be subsequently added into
Diethylenetriamine, is warming up to 100 DEG C, adds sodium hydroxymethane sulfonate and carries out sulfonating reaction, filters, be dried to obtain after insulation 4h
Material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 20min, the frequency of supersound process
Rate is 60KHz, and the power of supersound process is 600w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 120 DEG C, stir 5h under the pressure of 0.4MPa and obtain material C；Described porous
Adsorbent is the mixture of kieselguhr and activated carbon；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
The volume of flocculant of the present invention and density increase, and flocculating effect improves, can be fast and effectively by fast for the float in sewage
Speed flocculation, and dough can be polymerized to, it is difficult to dispersion, it is simple to separate, simultaneously to pipe-line equipment corrosivity less than other similar waddings
Coagulating agent, COD COD of the sewage after process, Biochemical oxygen demand BOD, ss suspended solid the most substantially reduce, total nitrogen,
Ammonia nitrogen and colourity also decrease.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (5)
1. a flocculant for sewage, it is characterised in that include according to the raw material of weight portion: dimethyl diallyl ammonium chloride
0.01-0.05 part, sodium silicate 0.3-0.7 part, acrylamide 3-5 part, dibenzoyl peroxide 0.1-0.3 part, tert-butyl alcohol 30-50
Part, ferric chloride 0.6-1 part, aluminum sulfate octadecahydrate 4-6 part, aluminium polychlorid 6-8 part, ferrous sulfate 10-15 part, poly-
Phosphorus iron chloride 3-5 part, chitosan 5-10 part, alginic acid sodium 10-14 part, polyvinyl pyridine salt 10-14 part, porous absorption
Agent 14-18 part, sodium bicarbonate 1-2 part, lignin 60-80 part, triethylene triamine 20-30 part, sodium hydroxymethane sulfonate 15-25
Part, propionic aldehyde 6-8 part, Alumen 10-15 part.
Flocculant for sewage the most according to claim 1, it is characterised in that include according to the raw material of weight portion: diformazan
Base diallyl ammonium chloride 0.02-0.04 part, sodium silicate 0.4-0.6 part, acrylamide 3.5-4.5 part, dibenzoyl peroxide
0.15-0.25 part, tert-butyl alcohol 35-45 part, ferric chloride 0.7-0.9 part, aluminum sulfate octadecahydrate 4.5-5.5 part, polyaluminium
Aluminum 6.5-7.5 part, ferrous sulfate 11-14 part, poly-phosphorus iron chloride 3.5-4.5 part, chitosan 6-9 part, alginic acid sodium 11-13
Part, polyvinyl pyridine salt 11-13 part, porous adsorbent 15-17 part, sodium bicarbonate 1.2-1.8 part, lignin 65-75 part,
Triethylene triamine 22-28 part, sodium hydroxymethane sulfonate 18-22 part, propionic aldehyde 6.5-7.5 part, Alumen 11-14 part.
Flocculant for sewage the most according to claim 1, it is characterised in that the raw material according to weight portion includes: dimethyl
Diallyl ammonium chloride 0.03 part, sodium silicate 0.5 part, acrylamide 4 parts, dibenzoyl peroxide 0.2 part, the tert-butyl alcohol
40 parts, ferric chloride 0.8 part, aluminum sulfate octadecahydrate 5 parts, aluminium polychlorid 7 parts, 12 parts of ferrous sulfate, poly-phosphorus chlorine
Change ferrum 4 parts, chitosan 8 parts, 12 parts of alginic acid sodium, polyvinyl pyridine salt 12 parts, porous adsorbent 16 parts, carbonic acid
1.5 parts of hydrogen sodium, lignin 70 parts, triethylene triamine 25 parts, sodium hydroxymethane sulfonate 20 parts, propionic aldehyde 7 parts, Alumen 12
Part.
4. according to the arbitrary described flocculant for sewage of claim 1-3, it is characterised in that described porous adsorbent is diatom
One or more in soil, activated carbon, silica gel or activated alumina.
5. the preparation method of the flocculant for sewage as described in claim 1-3 is arbitrary, it is characterised in that concrete steps
As follows:
(1) each raw material is weighed according to weight portion；
(2) acrylamide, ferric chloride are dissolved in the tert-butyl alcohol, add dibenzoyl peroxide, carry out nitrogen at ampoule
Displacement, is polymerized 2-4h at 50-70 DEG C, obtains polyacrylamide water solution；
(3), after the water of lignin and 70-80 part being mixed, regulate pH to 10, add propionic aldehyde and be stirred, then add
Enter diethylenetriamine, be warming up to 80-100 DEG C, add sodium hydroxymethane sulfonate and carry out sulfonating reaction, filter after insulation 2-4h, dry
Dry obtain material A；
(4) acrylamide water solution step (2) obtained adds to mix homogeneously in material A, heats up, insulation,
Add dimethyl diallyl ammonium chloride, regulate pH to 10, then carry out supersound process 10-20min, supersound process
Frequency is 50-60KHz, and the power of supersound process is 400-600w, washs and be dried to obtain material B；
(5) by sodium silicate, aluminum sulfate octadecahydrate, porous adsorbent, alginic acid sodium, chitosan, polyvinyl pyridine salt,
Add in material B with sodium bicarbonate, in 100-120 DEG C, stir 3-5h under the pressure of 0.2-0.4MPa and obtain material C；
(6) with caustic dip material C, be neutrality to pH, filter, after vacuum drying with aluminium polychlorid, ferrous sulfate,
Poly-phosphorus iron chloride mix homogeneously, obtains flocculant finished product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106495250A (en) * | 2016-12-06 | 2017-03-15 | 南京九致信息科技有限公司 | A kind of domestic sewage treating compound and preparation method thereof |
| CN107094794A (en) * | 2017-05-11 | 2017-08-29 | 江苏苏沃尚新材料科技有限公司 | A kind of wastewater disinfection powder, preparation method and its application method |
| CN108178269A (en) * | 2017-12-07 | 2018-06-19 | 淮北市中芬矿山机器有限责任公司 | A kind of powdery flocculant |
| CN108993163A (en) * | 2018-08-24 | 2018-12-14 | 中海油天津化工研究设计院有限公司 | A kind of cleaning agents of membrane suitable for the water process containing Active dye waste |
| CN109111944A (en) * | 2018-08-15 | 2019-01-01 | 黑龙江莱睿普思环境科技发展有限公司 | The efficient flocculant and preparation method thereof of waste mineral oil purification |
| CN109610418A (en) * | 2018-12-27 | 2019-04-12 | 广东平润建设工程有限公司 | Water channel cleaning method |
| CN109650593A (en) * | 2019-01-14 | 2019-04-19 | 广州市汇鹏建设有限公司 | A kind of method for the treatment of city waste water |
| CN115353183A (en) * | 2022-08-29 | 2022-11-18 | 佛山市栢豪环保科技有限公司 | Flocculating agent for sewage treatment and preparation method thereof |
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| CN107094794A (en) * | 2017-05-11 | 2017-08-29 | 江苏苏沃尚新材料科技有限公司 | A kind of wastewater disinfection powder, preparation method and its application method |
| CN108178269A (en) * | 2017-12-07 | 2018-06-19 | 淮北市中芬矿山机器有限责任公司 | A kind of powdery flocculant |
| CN109111944A (en) * | 2018-08-15 | 2019-01-01 | 黑龙江莱睿普思环境科技发展有限公司 | The efficient flocculant and preparation method thereof of waste mineral oil purification |
| CN108993163A (en) * | 2018-08-24 | 2018-12-14 | 中海油天津化工研究设计院有限公司 | A kind of cleaning agents of membrane suitable for the water process containing Active dye waste |
| CN109610418A (en) * | 2018-12-27 | 2019-04-12 | 广东平润建设工程有限公司 | Water channel cleaning method |
| CN109650593A (en) * | 2019-01-14 | 2019-04-19 | 广州市汇鹏建设有限公司 | A kind of method for the treatment of city waste water |
| CN109650593B (en) * | 2019-01-14 | 2021-09-24 | 广州市汇鹏建设有限公司 | Urban sewage treatment method |
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| CN115353183B (en) * | 2022-08-29 | 2023-08-08 | 淄博市临淄恒兴化工厂有限公司 | Flocculant for sewage treatment and preparation method thereof |
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Application publication date: 20160928 |