CN102897884A - Composite flocculant as well as preparation method and application thereof on processing printing and dyeing wastewater - Google Patents
Composite flocculant as well as preparation method and application thereof on processing printing and dyeing wastewater Download PDFInfo
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- CN102897884A CN102897884A CN2012104026567A CN201210402656A CN102897884A CN 102897884 A CN102897884 A CN 102897884A CN 2012104026567 A CN2012104026567 A CN 2012104026567A CN 201210402656 A CN201210402656 A CN 201210402656A CN 102897884 A CN102897884 A CN 102897884A
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Abstract
The invention relates to a composite flocculant as well as a preparation method and an application thereof on processing printing and dyeing wastewater. The composite flocculant comprises the following components in mass ratio: 15 parts of aluminum sulfate, 4 parts of ferric chloride, 10-12 pars of kieselguhr and 0.06-0.08 part of potassium permanganate. The preparation method for the composite flocculant comprises the following steps of: respectively dissolving the aluminum sulfate, the ferric chloride, the kieselguhr and the potassium permanganate into water to obtain solution; obtaining the water solution of each component; and then mixing the water solution of each component with 15 parts of aluminum sulfate, 4 parts of ferric chloride, 10-12 pars of kieselguhr and 0.06-0.08 part of potassium permanganate so as to obtain the composite flocculant. The composite flocculant disclosed by the invention is suitable for removing suspended matters and impurities in the printing and dyeing wastewater, and has the advantages of good processing effect, no secondary pollution, high ecological safety, simple preparation process and low price.
Description
Technical field
The invention belongs to water treatment inorganic flocculating agent and preparation thereof and Application Areas, particularly a kind of composite flocculation agent and preparation thereof and the application in treatment of dyeing and printing.
Background technology
Water is human Source of life, also is the basis that all life is depended on for existence, plays a part indispensable for socioeconomic development.Yet along with the population growth of modern society, the fast development of industrial and agricultural production activity and the rapidly process of urbanization, the water globe environment goes from bad to worse, and human happiness in serious threat.For guaranteeing the sustainable use of water resources, solve water pollution problems, carried out a large amount of research both at home and abroad, various water technologies are arisen at the historic moment, as: flocculent precipitation, biochemical process, absorption method, ion exchange method, chemical oxidization method, electroosmose process and ecological wastewater processing technology etc.Wherein, flocculent precipitation is as one of the significant element of water pollution control operation, remains the method for processing the widespread use of particulate matter and organism, occupies extremely important status in water treatment.The flocculent precipitation of disposing of sewage with flocculation agent in addition, also is the cheapest a kind of method of cost.In this method, what play core and keying action is exactly the choice and operation of flocculation agent.
At present, the World Water treatment agent is just trending towards efficiently, low toxicity, nuisanceless, multi-functional Composite pollution-free industry future development, environment protection, safety and stability, economic and practical and efficiently will be the key index of estimating the flocculation agent industry development.The development experience of water treatment flocculant by traditional inorganic flocculating agent to inorganic polymer flocculant, arrive again organic polymer coargulator; Organic polymer coargulator has experienced from simple to complex again, and then develops synthetic and Modified Natural Organic Polymeric Flocculants; Be the deficiency of further improving flocculation agent afterwards, develop into again the microbial flocculant and the composite flocculation agent that have more application prospect.
Composite flocculant is just to begin in recent years the novel flocculant developed, can overcome many deficiencies of using single flocculation agent, wide accommodation, the various industrial sewage such as lower concentration or high density water quality, colorful wastewater there is good purifying water effect, decontamination mud is good, and the pH use range is large, can also improve organic matter removal rate in the flocculation process, and can reduce the kish ionic concn, reduce secondary pollution.
Summary of the invention
Technical problem to be solved by this invention provides a kind of composite flocculation agent and preparation and the application in treatment of dyeing and printing, the settling of floccus of this composite flocculation agent is fast, treatment effect is good, non-secondary pollution, ecological safety high, and this preparation process is simple, easy to operate, cheap.
A kind of composite flocculation agent of the present invention, its component comprises: Tai-Ace S 150, iron(ic) chloride, diatomite, potassium permanganate, wherein the mass ratio of Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is 15:4:10-12:0.06-0.08.
The mass ratio of above-mentioned Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is 15:4:11:0.07.
The preparation method of a kind of composite flocculation agent of the present invention comprises:
Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is dissolved in the water respectively is mixed with solution, obtains the aqueous solution of each component; Then according to the mass ratio of Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate be 15:4:10-12:0.06-0.08 with the aqueous solution of above-mentioned each component, namely get composite flocculation agent.
A kind of composite flocculation agent of the present invention is applied to process the pH value and is the water quality of 7.0-8.5.
A kind of composite flocculation agent of the present invention is applied to treatment of dyeing and printing.
The concrete operation method of above-mentioned treatment of dyeing and printing is: the pH value of regulating dyeing waste water is 7.0-8.5, then adds composite flocculation agent, gets final product after the stirring.
The consumption of described composite flocculation agent is to add composite flocculation agent according to the ratio that adds 600 gram Tai-Ace S 150,160 gram iron(ic) chloride, 400-480 gram diatomite and 2.4-3.2 gram potassium permanganate in 1 ton of dyeing waste water.
The consumption of described composite flocculation agent is to add composite flocculation agent according to the ratio that adds 600 gram Tai-Ace S 150,160 gram iron(ic) chloride, 440 gram diatomite and 2.8 gram potassium permanganate in 1 ton of dyeing waste water.
The most applicable processing of composite flocculation agent of the present invention pH value scope is the water quality of 7.0-8.5, for meta-alkalescence water quality good treatment effect is arranged.
The present invention carries out combination with Tai-Ace S 150, iron(ic) chloride, potassium permanganate and four kinds of raw materials of diatomite, seek the appropriate proportioning of four kinds of medicines, and reduce as far as possible in actual applications the consumption of Tai-Ace S 150 and iron(ic) chloride, in conjunction with Tai-Ace S 150, iron(ic) chloride advantage, compensate its defect.In addition, the present invention takes full advantage of the oxygenizement of potassium permanganate, make the macromolecular substance in the dyeing waste water change the small molecules particulate that is easy to enhanced flocculation into, simultaneously in conjunction with diatomaceous Coagulation aiding, thereby prepare the multi-function composite flocculation agent of collection oxidizing, flocculating one, be specially adapted to the removal of suspended substance and impurity in the dyeing waste water.
Beneficial effect:
(1) preparation method of the present invention is simple, and is easy to operate, with low cost, and raw material sources are extensive;
(2) floc settling velocity of composite flocculation agent of the present invention is fast, and treatment effect is good, low secondary pollution, and ecological safety is high;
(3) Tai-Ace S 150, iron(ic) chloride, diatomite and the potassium permanganate that contains in the flocculation agent of the present invention can be according to the water quality regulation proportioning of different dyeing waste waters, thereby obtains the optimum flocculent product.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
(1) take by weighing 15 the gram Tai-Ace S 150,4 the gram iron(ic) chloride, 11 the gram diatomite, 0.7 the gram potassium permanganate be dissolved in respectively in 1 liter of deionized water, obtain the aqueous solution of each component; Then get respectively aluminum sulfate aqueous solution, ferric chloride in aqueous solution, the diatomite aqueous solution each 40 milliliters and 4 milliliters of mixing of potassium permanganate solution of preparation, obtain composite flocculation agent;
(2) in 1 liter of dyeing waste water, drip 10% sodium hydroxide with pH regulator to 8.5, then add the composite flocculation agent that step (1) obtains, fully stirred 10 minutes, produce the great quantity of floc particle along with stirring, and it is large that floc particle becomes, left standstill 15 minutes, adopting potassium dichromate process to calculate the COD clearance after getting supernatant liquor and measuring is 68.4%.
Embodiment 2
(1) take by weighing 15 the gram Tai-Ace S 150,4 the gram iron(ic) chloride, 11 the gram diatomite, 0.7 the gram potassium permanganate be dissolved in respectively in 1 liter of deionized water, obtain the aqueous solution of each component; Then get respectively aluminum sulfate aqueous solution, ferric chloride in aqueous solution, the diatomite aqueous solution each 40 milliliters and 4 milliliters of mixing of potassium permanganate solution of preparation, obtain composite flocculation agent;
(2) the pH value with 1 liter of dyeing waste water is adjusted to 7.0, then add the composite flocculation agent that step (1) obtains, fully stirred 10 minutes, produce the great quantity of floc particle along with stirring, and it is large that floc particle becomes, left standstill 15 minutes, adopting potassium dichromate process to calculate the COD clearance after getting supernatant liquor and measuring is 60.6%.
Claims (8)
1. composite flocculation agent, its component comprises: Tai-Ace S 150, iron(ic) chloride, diatomite, potassium permanganate, wherein the mass ratio of Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is 15:4:10-12:0.06-0.08.
2. a kind of composite flocculation agent according to claim 1, it is characterized in that: the mass ratio of described Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is 15:4:11:0.07.
3. the preparation method of a composite flocculation agent comprises:
Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate is dissolved in the water respectively is mixed with solution, obtains the aqueous solution of each component; Then according to the mass ratio of Tai-Ace S 150, iron(ic) chloride, diatomite and potassium permanganate be 15:4:10-12:0.06-0.08 with the aqueous solution of above-mentioned each component, and get final product.
4. a kind of composite flocculation agent as claimed in claim 1 is applied to process the water quality that the pH value is 7.0-8.5.
5. a kind of composite flocculation agent as claimed in claim 1 is applied to treatment of dyeing and printing.
6. a kind of composite flocculation agent according to claim 5 is applied to treatment of dyeing and printing, it is characterized in that: the concrete operation method of described treatment of dyeing and printing is: the pH value of regulating dyeing waste water is 7.0-8.5, then add composite flocculation agent, get final product after the stirring.
7. a kind of composite flocculation agent according to claim 6 is applied to treatment of dyeing and printing, it is characterized in that: the consumption of described composite flocculation agent is for adding composite flocculation agent according to the ratio that adds 600 gram Tai-Ace S 150,160 gram iron(ic) chloride, 400-480 gram diatomite and 2.4-3.2 gram potassium permanganate in 1 ton of dyeing waste water.
8. a kind of composite flocculation agent according to claim 7 is applied to treatment of dyeing and printing, it is characterized in that: the consumption of described composite flocculation agent is for adding composite flocculation agent according to the ratio that adds 600 gram Tai-Ace S 150,160 gram iron(ic) chloride, 440 gram diatomite and 2.8 gram potassium permanganate in 1 ton of dyeing waste water.
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| CN2012104026567A CN102897884A (en) | 2012-10-19 | 2012-10-19 | Composite flocculant as well as preparation method and application thereof on processing printing and dyeing wastewater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108775A (en) * | 2014-07-10 | 2014-10-22 | 杭州电子科技大学 | Composite reagent for treating recycled water of printing and dyeing wastewater and application method of composite reagent |
| CN104192963A (en) * | 2014-09-04 | 2014-12-10 | 隋涛 | Coagulant for treating spinning, printing and dyeing wastewater |
| CN104261535A (en) * | 2014-09-28 | 2015-01-07 | 佑景天（北京）国际水环境研究中心有限公司 | Efficient discoloring agent and discoloring treatment method of printing and dyeing wastewater |
| CN107963690A (en) * | 2017-11-28 | 2018-04-27 | 芜湖上水源环保科技有限公司 | A kind of efficiently dyeing waste water flocculant preparation method |
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| CN101327984A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Multiple-effect pollute-removing water purification agent and use method thereof |
| CN101503239A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Multicomponent composite flocculating setting agent and use in arsenic contamination water treatment |
| EP2177480A1 (en) * | 2008-10-17 | 2010-04-21 | Unilever N.V. | Aqueous coagulant composition and water treatment method |
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2012
- 2012-10-19 CN CN2012104026567A patent/CN102897884A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327984A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Multiple-effect pollute-removing water purification agent and use method thereof |
| EP2177480A1 (en) * | 2008-10-17 | 2010-04-21 | Unilever N.V. | Aqueous coagulant composition and water treatment method |
| CN101503239A (en) * | 2009-03-23 | 2009-08-12 | 中国科学院生态环境研究中心 | Multicomponent composite flocculating setting agent and use in arsenic contamination water treatment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108775A (en) * | 2014-07-10 | 2014-10-22 | 杭州电子科技大学 | Composite reagent for treating recycled water of printing and dyeing wastewater and application method of composite reagent |
| CN104192963A (en) * | 2014-09-04 | 2014-12-10 | 隋涛 | Coagulant for treating spinning, printing and dyeing wastewater |
| CN104192963B (en) * | 2014-09-04 | 2016-09-07 | 滨州学院 | A kind of process textile printing and dyeing wastewater coagulant |
| CN104261535A (en) * | 2014-09-28 | 2015-01-07 | 佑景天（北京）国际水环境研究中心有限公司 | Efficient discoloring agent and discoloring treatment method of printing and dyeing wastewater |
| CN104261535B (en) * | 2014-09-28 | 2016-09-14 | 佑景天（北京）国际水环境研究中心有限公司 | Dyeing waste water high-efficiency decolorant and decoloration treatment method |
| CN107963690A (en) * | 2017-11-28 | 2018-04-27 | 芜湖上水源环保科技有限公司 | A kind of efficiently dyeing waste water flocculant preparation method |
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Application publication date: 20130130 |