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 PDF

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Publication number
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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highly effective
complex microsphere
effective coagulation
parts
uniformly mixed
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晏继斌
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WUHU XINDA GARDEN GREENING GROUP Co Ltd
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WUHU XINDA GARDEN GREENING GROUP Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/285Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/286Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/542Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • 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

A kind of highly effective coagulation adsorbent and its preparation method and application
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.
CN201811051678.7A 2018-09-10 2018-09-10 A kind of highly effective coagulation adsorbent and its preparation method and application Withdrawn CN109019747A (en)

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CN109368820A (en) * 2018-12-27 2019-02-22 浙江大学常州工业技术研究院 Sanitary sewage nutritional complexing agent
CN112142084A (en) * 2020-08-04 2020-12-29 广西锋华环保科技有限公司 Method for preparing polyaluminum chloride flocculant by using bauxite

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CN106745797A (en) * 2016-11-25 2017-05-31 南宁市黑晶信息技术有限公司 Special high efficiency sewage treating agent of a kind of sugar production wastewater and preparation method thereof
CN107029678A (en) * 2017-05-31 2017-08-11 合肥绿洁环保科技有限公司 A kind of water treatment agent preparation method of high-adsorption-capacity

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Publication number Priority date Publication date Assignee Title
CN1868885A (en) * 2006-05-12 2006-11-29 广西民族大学 Self-dispersion type nanometer gamma A100H and its preparation method and use
CN101327977A (en) * 2008-07-15 2008-12-24 南通立源水处理技术有限公司 Water treatment composite flocculant
US20140175015A1 (en) * 2011-06-20 2014-06-26 Fujifilm Corporation Water purification method
WO2014071240A1 (en) * 2012-11-01 2014-05-08 Halosource, Inc. Water treatment composition and method of using same
CN104229957A (en) * 2013-06-24 2014-12-24 张家领 Compound flocculant taking natural minerals as main components
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109368820A (en) * 2018-12-27 2019-02-22 浙江大学常州工业技术研究院 Sanitary sewage nutritional complexing agent
CN112142084A (en) * 2020-08-04 2020-12-29 广西锋华环保科技有限公司 Method for preparing polyaluminum chloride flocculant by using bauxite

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