CN101327976A - Efficient water treatment flocculant - Google Patents

Efficient water treatment flocculant Download PDF

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Publication number
CN101327976A
CN101327976A CNA2008100224859A CN200810022485A CN101327976A CN 101327976 A CN101327976 A CN 101327976A CN A2008100224859 A CNA2008100224859 A CN A2008100224859A CN 200810022485 A CN200810022485 A CN 200810022485A CN 101327976 A CN101327976 A CN 101327976A
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China
Prior art keywords
flocculant
water treatment
efficient
flocculation agent
treatment flocculant
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Application number
CNA2008100224859A
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Chinese (zh)
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CN101327976B (en
Inventor
刘伟
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Guo Zhenyue
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NANTONG LIYUAN WATER TREATMENT TECHNOLOGY Co Ltd
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Priority to CN2008100224859A priority Critical patent/CN101327976B/en
Publication of CN101327976A publication Critical patent/CN101327976A/en
Application granted granted Critical
Publication of CN101327976B publication Critical patent/CN101327976B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a high efficiency water treatment flocculant for drinking water and water treatment comprising a metal cation flocculant which is characterized in that the high efficiency water treatment flocculant also comprises a high efficiency adsorption component and an assistant medicament to be remixed, inwhich the weight ratio is: the high efficiency adsorption component 5-15%, the metal cation flocculant 50-85%, the assistant medicament 5-15%. The obvious characteristics of the invention are that each component can play the advantages of high intensity of the flocs of the inorganic flocculant and large flocs of the polymeric flocculant, overcomes the drawback of small flocs of the inorganic flocculant and low intensity of the flocs of the organic flocculant. The existence of the high adsorption component plays the action of adsorption of the organic compounds and heavy metal ion which are difficult to flocculat and precipitate, also plays the role of aid-coagulation, decoloration and deflavour. Thus the flocculant of the invention has advantages of good coagulation effect, large alum blossom, rapid settling velocity, good effluent quality and few dosage or the like.

Description

Efficient water treatment flocculant
Technical field
The present invention relates to a kind of efficient water treatment flocculant that is used for tap water, sewage disposal.
Background technology
Conventional water treatment method comprises tertiary treatment such as materialization, biology and advanced treatment.The materialization treating processes, promptly coagulation, precipitation are one of most important processing units in water and the wastewater treatment.Coagulation process need add flocculation agent and realize solid-liquid separation, the good and bad treatment effect that directly influences of flocculation agent.
The existing flocculation agent that is used for tap water and wastewater treatment comprises inorganic flocculating agent and organic polymer coargulator two big classes, as polymerize aluminum chloride, poly-ferric chloride and polyacrylamide etc., flocculation agents such as cationic quaternary ammonium salt type polyacrylamide have been developed in recent years again.When adopting inorganic flocculating agent separately, flocculating effect is good, but the throwing amount is big, the expense height, and undesirable to the organic matter removal effect.Macromolecule organic flocculating agent is strong to the organic matter removal ability, but unit price is higher, to other impurity such as phosphate radical DeGrain.
Summary of the invention
Goal of the invention of the present invention provides the efficient flocculant of a kind of water and wastewater treatment.
Another object of the present invention provides the application of this efficient water treatment flocculant.
The technical solution used in the present invention is:
Efficient water treatment flocculant comprises the metallic cation flocculation agent, and described high-efficiency sewage flocculant for treating also comprises efficient absorbed component and assistant medicament and composite forming, and its weight percent is:
Efficient absorbed component 5～15%;
Metallic cation flocculation agent 50～85%;
Assistant medicament 5～15%.
One or more of the Powdered Activated Carbon that efficient absorbed component is made by the activation post-modification, diatomite, wilkinite, clay, flyash, aluminum oxide, ferric oxide, manganese oxide etc.
Assistant medicament is one or more in water soluble starch, water-soluble Ca salt, unslaked lime, sodium hydroxide, hydrochloric acid, sulfuric acid, silicate, quaternary amine, the polyacrylamide.
Described metallic cation flocculation agent comprises one or more in Tai-Ace S 150, aluminum chloride, iron(ic) chloride, ferrous sulfate, sal epsom, zinc sulfate, polymerize aluminum chloride, polyaluminium sulfate, the poly-ferric chloride.
The application of efficient water treatment flocculant directly is added to efficient flocculant in the surface water and handles throwing amount 10～50mg/L.
The application of efficient water treatment flocculant after adopting described flocculation agent and dioxide peroxide mixing by 10: 1, adds to sewage and carries out coagulating treatment, has sterilization simultaneously at water purifying, and control throwing amount is at 20～100mg/L.
The another kind of efficient water treatment flocculant is used, and described flocculation agent is used for the coagulating treatment of waste water from dyestuff with after clorox mixed by 1: 5～1: 8, controls the throwing amount at 50～100mg/L.
Principle of the present invention is, make full use of absorbed component after surfactant-modified to organic efficient absorption in the sewage, the coprecipitated effect of metallic cation performance flocculation, assistant medicament can strong effective decoloring, strengthen the adsorption efficiency that flco generated and improved adsorption component, thereby reaches the efficient purification to sewage.
Distinguishing feature of the present invention is: it is big that each component can be brought into play inorganic flocculating agent flco intensity after composite, the advantage that the polymeric flocculant flco is big.Overcome the shortcoming that the inorganic flocculating agent flco is little and organic floculant flco intensity is low.The organism that adsorbs difficult flocculation sediment and the effect of heavy metal ion have been played in the existence of efficient absorbed component, have simultaneously to help to coagulate, discolor, go the effect of distinguishing the flavor of.Therefore, the present invention has characteristics such as coagulation effect is good, and alumen ustum is big, and settling velocity is fast, and effluent quality is good, and dosage is few.
Embodiment
Embodiment 1
Tai-Ace S 150 70%, bodied ferric sulfate 15%, polyacrylamide 10%, gac 5%.
Medicament is dissolved in the medicine dissolving tank, and concentration is 1～10%, stirs.Add to treatment sewage water after coagulation, post precipitation obtain to handle by pump or under meter.This product flco intensity is big, and the generation alumen ustum is big, sedimentation is fast, and the look effect that removes is preferably arranged.
Above-mentioned efficient flocculant with after dioxide peroxide mixed by 10: 1, is added to sewage and carries out coagulating treatment, have sterilization simultaneously at water purifying, control throwing amount is at 20～100mg/L.
Embodiment 2:
Aluminum oxide 10% that will be by weight, ferrous sulfate 20%, polymerize aluminum chloride 55%, the water soluble starch 15% composite flocculation agent of making, this flocculation agent is with after clorox mixed by 1: 5～1: 8, the coagulating treatment that is used for waste water from dyestuff, control throwing amount can make colourity be reduced to below 50 times at 50～100mg/L.
Embodiment 3
Aluminum oxide 10% that will be by weight, wilkinite 5%, ferrous sulfate 20%, zinc sulfate 50%, the water soluble starch 15% composite flocculation agent of making.Medicament is dissolved in the medicine dissolving tank, and concentration is 1～10%, stirs.Add to treatment sewage water after coagulation, post precipitation obtain to handle by pump or under meter.This product flco intensity is big, and the generation alumen ustum is big, sedimentation is fast, and the look effect that removes is preferably arranged.
Embodiment 4
Aluminum oxide 60% by weight, wilkinite 10%, ferrous sulfate 15%, the water soluble starch 15% composite flocculation agent of making.Medicament is dissolved in the medicine dissolving tank, and concentration is 1～10%, stirs.Add to pending surface water by pump or under meter, after coagulation, precipitation, filtration, sterilization, obtain to handle back water.

Claims (6)

1, efficient water treatment flocculant comprises the metallic cation flocculation agent, it is characterized in that described high-efficiency sewage flocculant for treating also comprises efficient absorbed component and assistant medicament and composite forming, and its weight percent is:
Efficient absorbed component 5～15%;
Metallic cation flocculation agent 50～85%;
Assistant medicament 5～15%.
2, efficient water treatment flocculant according to claim 1 is characterized in that efficient absorbed component is by one or more of the Powdered Activated Carbon made of activation post-modification, diatomite, wilkinite, clay, flyash, aluminum oxide, ferric oxide, manganese oxide etc.
3, efficient water treatment flocculant according to claim 1 is characterized in that assistant medicament is one or more in water soluble starch, water-soluble Ca salt, unslaked lime, sodium hydroxide, hydrochloric acid, sulfuric acid, silicate, quaternary amine, the polyacrylamide.
4, efficient water treatment flocculant according to claim 1 is characterized in that described metallic cation flocculation agent comprises one or more in Tai-Ace S 150, aluminum chloride, iron(ic) chloride, ferrous sulfate, sal epsom, zinc sulfate, polymerize aluminum chloride, polyaluminium sulfate, poly-ferric chloride, the bodied ferric sulfate.
5, the application of efficient water treatment flocculant after it is characterized in that adopting described flocculation agent and dioxide peroxide mixing by 10: 1, adds to sewage and carries out coagulating treatment, has sterilization simultaneously at water purifying, and control throwing amount is at 20～100mg/L.
6, the another kind of efficient water treatment flocculant is used, and it is characterized in that: described flocculation agent is used for the coagulating treatment of the former water of high pollution with after clorox mixed by 1: 5～1: 8, controls the throwing amount at 50～100mg/L.
CN2008100224859A 2008-07-15 2008-07-15 Efficient water treatment flocculant Expired - Fee Related CN101327976B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101327976B CN101327976B (en) 2012-01-25

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Address before: 226100 Guangnan village, Qilin Town, Haimen, Jiangsu province 27

Patentee before: Nantong Liyuan Water Industry Technology Development Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120125

Termination date: 20190715

CF01 Termination of patent right due to non-payment of annual fee