CN101327976B - Efficient water treatment flocculant - Google Patents

Efficient water treatment flocculant Download PDF

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Publication number
CN101327976B
CN101327976B CN2008100224859A CN200810022485A CN101327976B CN 101327976 B CN101327976 B CN 101327976B CN 2008100224859 A CN2008100224859 A CN 2008100224859A CN 200810022485 A CN200810022485 A CN 200810022485A CN 101327976 B CN101327976 B CN 101327976B
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China
Prior art keywords
flocculant
water treatment
water
treatment flocculant
flocs
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Application number
CN2008100224859A
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Chinese (zh)
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CN101327976A (en
Inventor
刘伟
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南通立源水业科技发展有限公司
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Priority to CN2008100224859A priority Critical patent/CN101327976B/en
Publication of CN101327976A publication Critical patent/CN101327976A/en
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Publication of CN101327976B publication Critical patent/CN101327976B/en

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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

Water treatment flocculant
Technical field
The present invention relates to a kind of sewage treatment flocculating agent that is used for tap water, WWT.
Background technology
Conventional water treatment method comprises tertiary treatment such as materialization, biology and advanced treatment.The materialization treating processes, promptly coagulation, deposition 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; Like Poly aluminum Chloride (PAC), poly-ferric chloride and polyacrylamide etc., flocculation agents such as cationic quaternary ammonium salt type SEPIGEL 305 have been developed in recent years again.When adopting inorganic flocculating agent separately, flocculating effect is good, but the throwing amount is big, and expense is high, 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 a kind of water treatment flocculant.
The technical scheme that the present invention adopts is:
Water treatment flocculant; Comprise by one or more the metallic cation flocculation agents formed in Tai-Ace S 150, ferrous sulfate, zinc sulfate, Poly aluminum Chloride (PAC) or the bodied ferric sulfate; Said water treatment flocculant also comprises one or more the efficient absorbed component formed in Powdered Activated Carbon, wilkinite or the aluminum oxide of being processed by the activation post-modification; Form with the assistant medicament of being made up of water soluble starch or SEPIGEL 305 is composite, its weight percent is: efficient absorbed component 5~15%; Metallic cation flocculation agent 50~85%; Assistant medicament 5~15%, each constituent mass per-cent sum is 100%.
The application of water treatment flocculant after adopting above-mentioned water treatment flocculant 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 application of water treatment flocculant, above-mentioned water treatment flocculant are used for the coagulating treatment of the former water of high pollution with after Youxiaolin mixed by 1: 5~1: 8, and control throwing amount is 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 heavy altogether 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%, SEPIGEL 305 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 through 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 flocculation agent 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:
Will by weight aluminum oxide 10%; Ferrous sulfate 20%, Poly aluminum Chloride (PAC) 55%, the water soluble starch 15% composite flocculation agent of processing; This flocculation agent is with after Youxiaolin 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
Will by weight aluminum oxide 10%, wilkinite 5%, ferrous sulfate 20%, zinc sulfate 50%, the water soluble starch 15% composite flocculation agent of processing.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 through 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.

Claims (3)

1. water treatment flocculant; Comprise by one or more the metallic cation flocculation agents formed in Tai-Ace S 150, ferrous sulfate, zinc sulfate, Poly aluminum Chloride (PAC) or the bodied ferric sulfate; It is characterized in that: said water treatment flocculant also comprises one or more the efficient absorbed component formed in Powdered Activated Carbon, wilkinite or the aluminum oxide of being processed by the activation post-modification; Form with the assistant medicament of being made up of water soluble starch or SEPIGEL 305 is composite, its weight percent is: efficient absorbed component 5~15%; Metallic cation flocculation agent 50~85%; Assistant medicament 5~15%, each constituent mass per-cent sum is 100%.
2. the application of water treatment flocculant; It is characterized in that: after adopting the said water treatment flocculant of claim 1 and dioxide peroxide mixing by 10: 1; Add to sewage and carry out coagulating treatment, have sterilization simultaneously at water purifying, control throwing amount is at 20~100mg/L.
3. the application of water treatment flocculant is characterized in that: after adopting the said water treatment flocculant of claim 1 and Youxiaolin mixing by 1: 5~1: 8, be used for the coagulating treatment of the former water of high pollution, control throwing amount is at 50~100mg/L.
CN2008100224859A 2008-07-15 2008-07-15 Efficient water treatment flocculant CN101327976B (en)

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Application Number Priority Date Filing Date Title
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