CN109019747A - A kind of highly effective coagulation adsorbent and its preparation method and application - Google Patents
A kind of highly effective coagulation adsorbent and its preparation method and application Download PDFInfo
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- CN109019747A CN109019747A CN201811051678.7A CN201811051678A CN109019747A CN 109019747 A CN109019747 A CN 109019747A CN 201811051678 A CN201811051678 A CN 201811051678A CN 109019747 A CN109019747 A CN 109019747A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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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
- C02F1/28—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
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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
- C02F1/542—Phosphorus 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
- C02F1/56—Macromolecular 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Chemical & Material Sciences (AREA)
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- 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)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of highly effective coagulation adsorbents, its raw material includes: green vitriol 20-30, Porous expanded polypropylene 6-16, complex microsphere 8-14 by weight, polyamino polyether base methylenephosphonic acid 2-6, vermiculite power 8-16, Cocoamidopropyl betaine 2-4, levulan 4-8, polyacrylamide 3-7, bodied ferric sulfate 6-12, etherification starch 8-16, phosphonate 4-6.The present invention discloses the preparation method of above-mentioned highly effective coagulation adsorbent, comprising: is uniformly mixed green vitriol, Porous expanded polypropylene, heats, deionized water is added and is uniformly mixed, filtering is dried to obtain pretreatment material;By pretreatment material, complex microsphere, polyamino polyether base methylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, levulan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stirring, granulation, is dried to obtain highly effective coagulation adsorbent.
Description
Technical field
The present invention relates to water-treatment technology field more particularly to a kind of highly effective coagulation adsorbent and preparation method thereof and answer
With.
Background technique
Some chemical assistants are usually added in polluted river treatment process, it is the most frequently used with flocculant.Flocculant energy
Promote dirty impurities in water sedimentation, plays the role of filtering, clear.Traditional inorganic flocculating agent includes aluminum sulfate, ferric trichloride etc.,
But this kind of flocculant uses rear long time integration, can be lifted riverbed and cause secondary pollution.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of highly effective coagulation adsorbents and preparation method thereof
And application,
A kind of highly effective coagulation adsorbent proposed by the present invention, raw material include: green vitriol 20-30 by weight
Part, 6-16 parts of Porous expanded polypropylene, 8-14 parts of complex microsphere, 2-6 parts of aminotrimethylenephosphonic acid, 8-16 parts of vermiculite power,
2-4 parts of Cocoamidopropyl betaine, 4-8 parts of levulan, 3-7 parts of polyacrylamide, 6-12 parts of bodied ferric sulfate, etherification starch
8-16 parts, 4-6 parts of phosphonate.
Preferably, complex microsphere is prepared using following technique: sodium hydroxide solution being added into liquor alumini chloridi, room temperature
Lower stirring to solution ph is 8-8.8, is filtered, sediment washing, addition polyethylene glycol, ethanol solution stirring, addition ammonium bromide,
Octadecyltrimethylammonium chloride is uniformly mixed, and spray drying obtains complex microsphere.
Preferably, in the preparation process of complex microsphere, concentration of sodium hydroxide solution 12-16wt%, liquor alumini chloridi is dense
Degree is 1.2-1.6mol/L, ethanol solution concentration 30-40wt%.
Preferably, in the preparation process of complex microsphere, sodium hydroxide solution, liquor alumini chloridi, polyethylene glycol, ethyl alcohol are molten
Liquid, ammonium bromide, octadecyltrimethylammonium chloride weight ratio be 10-16:45-65:0.6-1.4:50-70:0.2-0.4:
0.6-1.6。
Preferably, complex microsphere is prepared using following technique: sodium hydroxide solution being added into liquor alumini chloridi, room temperature
Lower stirring to solution ph is 8-8.8, and filtering, sediment washing, addition polyethylene glycol, ethanol solution stir 10-15min, stir
Mixing temperature is 150-170 DEG C, and addition ammonium bromide, octadecyltrimethylammonium chloride are uniformly mixed, and 130-150 DEG C is spray-dried
To complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent proposed by the present invention, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, and regulation system is in neutrality, filtering, is dried to obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stirring, regulation system pH value are 7.4-
7.8, granulation is dried to obtain highly effective coagulation adsorbent.
Preferably, in S2, mixing time 4-6h, whipping temp is 65-75 DEG C.
The above-mentioned application for stating highly effective coagulation adsorbent as river water treatment agent proposed by the present invention.
The present invention is loaded on Porous expanded polypropylene using green vitriol and forms hydrated ferric oxide, compound
It under the auxiliary of microballoon, is compounded with other raw materials, mutual degree of scatter is high, and adsorption activity is high, and can form sol form knot
Structure forms non-breakable reticular structure wadding body in conjunction with the water pollutant of river, activated sludge floc will not rapid subsidence to riverbed
On, it can gradually be deposited in the downstream position in river with water flow, periodically clear up sludge in relatively fixed position, dirt can be improved
Water treatment efficiency, it is convenient to facilitate.
The present invention forms sediment after reacting using sulfuric acid with sodium aluminate, then reacts to form aluminium hydroxide with polyethylene glycol
Jelly acts under the cooperation of octadecyltrimethylammonium chloride with ammonium bromide, carries out secondary fine, partial size is small and is distributed
It is narrow, the complex microsphere with self-dispersing property is formed, not only in water, but also in certain organic solvents or polymer monomer
In, it can be dispersed into automatically without the monodisperse status obviously reunited.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of highly effective coagulation adsorbent, raw material include: green vitriol 20kg, Porous expanded polypropylene
16kg, complex microsphere 8kg, aminotrimethylenephosphonic acid 6kg, vermiculite power 8kg, Cocoamidopropyl betaine 4kg, levulan
4kg, polyacrylamide 7kg, bodied ferric sulfate 6kg, etherification starch 16kg, phosphonate 4kg.
Complex microsphere uses following technique to prepare: 16kg concentration is added for 12wt% sodium hydroxide solution to 65kg concentration
For in 1.2mol/L liquor alumini chloridi, stirring to solution ph is 8-8.8, filtering, sediment washing, addition 1.4kg under room temperature
Polyethylene glycol, 50kg concentration are that 40wt% ethanol solution stirs 10min, and whipping temp is 170 DEG C, addition 0.2kg ammonium bromide,
1.6kg octadecyltrimethylammonium chloride is uniformly mixed, and 130 DEG C of spray drying obtain complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, concentration is used to be in neutrality for 1.2mol/L sodium hydroxide solution regulation system, filter, does
It is dry to obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stir 4h, and whipping temp is 75 DEG C, and use is dense
It is 7.4-7.8 that degree, which is 0.6mol/L sodium hydroxide solution regulation system pH value, and granulation is dried to obtain highly effective coagulation adsorbent.
Embodiment 2
A kind of highly effective coagulation adsorbent, raw material include: green vitriol 30kg, Porous expanded polypropylene 6kg,
Complex microsphere 14kg, aminotrimethylenephosphonic acid 2kg, vermiculite power 16kg, Cocoamidopropyl betaine 2kg, levulan 8kg,
Polyacrylamide 3kg, bodied ferric sulfate 12kg, etherification starch 8kg, phosphonate 6kg.
Complex microsphere uses following technique to prepare: 10kg concentration is added for 16wt% sodium hydroxide solution to 45kg concentration
For in 1.6mol/L liquor alumini chloridi, stirring to solution ph is 8-8.8, filtering, sediment washing, addition 0.6kg under room temperature
Polyethylene glycol, 70kg concentration are that 30wt% ethanol solution stirs 15min, and whipping temp is 150 DEG C, addition 0.4kg ammonium bromide,
0.6kg octadecyltrimethylammonium chloride is uniformly mixed, and 150 DEG C of spray drying obtain complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, concentration is used to be in neutrality for 0.8mol/L sodium hydroxide solution regulation system, filter, does
It is dry to obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stir 6h, and whipping temp is 65 DEG C, and use is dense
It is 7.4-7.8 that degree, which is 1.2mol/L sodium hydroxide solution regulation system pH value, and granulation is dried to obtain highly effective coagulation adsorbent.
Embodiment 3
A kind of highly effective coagulation adsorbent, raw material include: green vitriol 23kg, Porous expanded polypropylene
14kg, complex microsphere 10kg, aminotrimethylenephosphonic acid 5kg, vermiculite power 10kg, Cocoamidopropyl betaine 3.5kg, fruit are poly-
Sugared 5kg, polyacrylamide 6kg, bodied ferric sulfate 8kg, etherification starch 14kg, phosphonate 4.5kg.
Complex microsphere uses following technique to prepare: 14kg concentration is added for 13wt% sodium hydroxide solution to 60kg concentration
For in 1.3mol/L liquor alumini chloridi, stirring to solution ph is 8-8.8, filtering, sediment washing, addition 1.2kg under room temperature
Polyethylene glycol, 55kg concentration are that 37wt% ethanol solution stirs 11min, and whipping temp is 165 DEG C, addition 0.25kg ammonium bromide,
1.4kg octadecyltrimethylammonium chloride is uniformly mixed, and 135 DEG C of spray drying obtain complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, concentration is used to be in neutrality for 1.1mol/L sodium hydroxide solution regulation system, filter, does
It is dry to obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stir 4.5h, and whipping temp is 72 DEG C, use
Concentration is that 0.8mol/L sodium hydroxide solution regulation system pH value is 7.4-7.8, and granulation is dried to obtain highly effective coagulation adsorbent.
Embodiment 4
A kind of highly effective coagulation adsorbent, raw material include: green vitriol 27kg, Porous expanded polypropylene 8kg,
Complex microsphere 12kg, aminotrimethylenephosphonic acid 3kg, vermiculite power 14kg, Cocoamidopropyl betaine 2.5kg, levulan
7kg, polyacrylamide 4kg, bodied ferric sulfate 10kg, etherification starch 10kg, phosphonate 5.5kg.
Complex microsphere uses following technique to prepare: 12kg concentration is added for 15wt% sodium hydroxide solution to 50kg concentration
For in 1.5mol/L liquor alumini chloridi, stirring to solution ph is 8-8.8, filtering, sediment washing, addition 0.8kg under room temperature
Polyethylene glycol, 65kg concentration are that 33wt% ethanol solution stirs 14min, and whipping temp is 155 DEG C, addition 0.35kg ammonium bromide,
0.8kg octadecyltrimethylammonium chloride is uniformly mixed, and 145 DEG C of spray drying obtain complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, concentration is used to be in neutrality for 0.9mol/L sodium hydroxide solution regulation system, filter, does
It is dry to obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stir 5.5h, and whipping temp is 68 DEG C, use
Concentration is that 1mol/L sodium hydroxide solution regulation system pH value is 7.4-7.8, and granulation is dried to obtain highly effective coagulation adsorbent.
Embodiment 5
A kind of highly effective coagulation adsorbent, raw material include: green vitriol 25kg, Porous expanded polypropylene
11kg, complex microsphere 11kg, aminotrimethylenephosphonic acid 4kg, vermiculite power 12kg, Cocoamidopropyl betaine 3kg, levulan
6kg, polyacrylamide 5kg, bodied ferric sulfate 9kg, etherification starch 12kg, phosphonate 5kg.
Complex microsphere uses following technique to prepare: 13kg concentration is added for 14wt% sodium hydroxide solution to 55kg concentration
It in 1.4mol/L liquor alumini chloridi, stirring to solution ph is 8-8.8 under room temperature, filters, it is poly- that 1kg is added in sediment washing
Ethylene glycol, 60kg concentration are that 35wt% ethanol solution stirs 12min, and whipping temp is 160 DEG C, addition 0.3kg ammonium bromide,
1.1kg octadecyltrimethylammonium chloride is uniformly mixed, and 140 DEG C of spray drying obtain complex microsphere.
The preparation method of above-mentioned highly effective coagulation adsorbent, includes the following steps:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol water
Solution is added deionized water and is uniformly mixed, concentration is used to be in neutrality for 1mol/L sodium hydroxide solution regulation system, filters, dry
Obtain pretreatment material;
S2, material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, fruit will be pre-processed
Glycan, polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stir 5h, and whipping temp is 70 DEG C, and use is dense
It is 7.4-7.8 that degree, which is 0.9mol/L sodium hydroxide solution regulation system pH value, and granulation is dried to obtain highly effective coagulation adsorbent.
Using 5 gained highly effective coagulation adsorbent of embodiment for river sewage processing, result is as follows:
Before processing | After processing | |
COD, mg/L | 13580 | 1210 |
BOD, mg/L | 4850 | 488 |
SS (suspended matter in water quality), mg/L | 3895 | 378 |
Total nitrogen content, mg/L | 77.1 | 23 |
Total phosphorus content, mg/L | 13.5 | 4.6 |
Ammonia-nitrogen content, mg/L | 16.4 | 6.0 |
Coloration | 2250 | 45 |
Turbidity, NTU | 284 | 24 |
Meanwhile compared to river water before handling, the foul odour of river water is substantially reduced after processing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of highly effective coagulation adsorbent, which is characterized in that its raw material includes: 20-30 parts of green vitriol by weight,
6-16 parts of Porous expanded polypropylene, 8-14 parts of complex microsphere, 2-6 parts of aminotrimethylenephosphonic acid, 8-16 parts of vermiculite power, cocounut oil
2-4 parts of amido propyl betaine, 4-8 parts of levulan, 3-7 parts of polyacrylamide, 6-12 parts of bodied ferric sulfate, etherification starch 8-16
Part, 4-6 parts of phosphonate.
2. highly effective coagulation adsorbent according to claim 1, which is characterized in that complex microsphere is prepared using following technique: will
Sodium hydroxide solution is added into liquor alumini chloridi, and stirring to solution ph is 8-8.8 under room temperature, filters, and sediment washing adds
Enter polyethylene glycol, ethanol solution stirring, addition ammonium bromide, octadecyltrimethylammonium chloride are uniformly mixed, and spray drying obtains
Complex microsphere.
3. highly effective coagulation adsorbent according to claim 2, which is characterized in that in the preparation process of complex microsphere, hydroxide
Sodium solution concentration is 12-16wt%, and liquor alumini chloridi concentration is 1.2-1.6mol/L, ethanol solution concentration 30-40wt%.
4. the highly effective coagulation adsorbent according to Claims 2 or 3, which is characterized in that in the preparation process of complex microsphere, hydrogen-oxygen
Change sodium solution, liquor alumini chloridi, polyethylene glycol, ethanol solution, ammonium bromide, octadecyltrimethylammonium chloride weight ratio be
10-16:45-65:0.6-1.4:50-70:0.2-0.4:0.6-1.6.
5. according to any one of the claim 2-4 highly effective coagulation adsorbent, which is characterized in that complex microsphere uses following technique
Preparation: sodium hydroxide solution is added into liquor alumini chloridi, and stirring to solution ph is 8-8.8, filtering, sediment under room temperature
Polyethylene glycol, ethanol solution stirring 10-15min is added in washing, and whipping temp is 150-170 DEG C, and ammonium bromide, octadecane is added
Base trimethyl ammonium chloride is uniformly mixed, and 130-150 DEG C of spray drying obtains complex microsphere.
6. a kind of preparation method of the highly effective coagulation adsorbent as described in claim any one of 1-5, which is characterized in that including as follows
Step:
S1, green vitriol, Porous expanded polypropylene are uniformly mixed, are heated to green vitriol hydrolysis, add
Enter deionized water to be uniformly mixed, regulation system is in neutrality, filtering, is dried to obtain pretreatment material;
S2, will pretreatment material, complex microsphere, aminotrimethylenephosphonic acid, vermiculite power, Cocoamidopropyl betaine, levulan,
Polyacrylamide, bodied ferric sulfate, etherification starch, phosphonate, deionized water stirring, regulation system pH value are 7.4-7.8, system
Grain, is dried to obtain highly effective coagulation adsorbent.
7. the preparation method of highly effective coagulation adsorbent according to claim 6, which is characterized in that in S2, mixing time 4-
6h, whipping temp are 65-75 DEG C.
8. a kind of application of the highly effective coagulation adsorbent as river water treatment agent as described in claim any one of 1-5.
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