CN105622867A - Printing and dyeing wastewater treating agent as well as preparation method and application thereof - Google Patents
Printing and dyeing wastewater treating agent as well as preparation method and application thereof Download PDFInfo
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- CN105622867A CN105622867A CN201610196148.6A CN201610196148A CN105622867A CN 105622867 A CN105622867 A CN 105622867A CN 201610196148 A CN201610196148 A CN 201610196148A CN 105622867 A CN105622867 A CN 105622867A
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- dyeing wastewater
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- agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
-
- 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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
Abstract
The invention provides a preparation method of a printing and dyeing wastewater treating agent. The preparation method comprises the following steps: (1) uniformly mixing diatomite, chitosan and cassava starch according to the mass ratio of diatomite to chitosan to cassava starch being 1:0.2:(0.5-1), adding water and extruding to form particles with the diameter of 1-2 mm; (2) placing the particles obtained in the step (1) in the condition of 450-500 DEG C for calcination for 4-8 h, and cooling to room temperature; (3) mixing the calcinated particles with an acrylamide solution, and stirring; (4) adding an initiator into the mixed system obtained in the step (3) to initiate polymerization reaction, and adding a cross-linking agent to carry out cross-linking reaction, so as to obtain a mixture; (5) drying the mixture obtained in the step (4), so as to obtain the printing and dyeing wastewater treating agent.
Description
Technical field
The invention belongs to printing technology field, it is specifically related to a kind for the treatment of of dyeing wastewater agent and its preparation method.
Background technology
Though dyestuff does not have very strong acute virus action as agricultural chemicals, but people have found the kind of tool mutagenicity and carcinogenesis in azoic dyestuff, anthraquinone dye, triphenylmethane dye, and the degraded product of dyestuff mostly also is some carcinogenic aromatic compounds such as p-diaminodiphenyl. Dyestuff is as the stable organic compound of a class formation, there is antiacid, alkali resistant, the characteristic such as anti-light, antimicrobial, there is longer residence time in the environment, the dyestuff of extremely low concentration in water body, also the normal function of receiving water body can be affected, to water microorganisms and fish also toxic effect, the diversity of whole aquatic ecosystem is declined. Therefore the negative effect of environment is not only its colourity and COD by dyestuff, but also is that it is to the potential hazard of human health and growth and development of plants and animals. Thus waste water containing dye is one of main at present harmful trade effluent of China, be also the difficult point of sewage disposal, dyestuff and treatment of dyeing wastewater is the important content of environmental engineering research.
The current method for treatment of dyeing wastewater mainly contains adsorption bleaching, redox decolouring, coagulation decoloration process etc., ion-exchange decolouring, ultra-filtration membrane decolouring and biological decolouring technology has also been carried out certain research both at home and abroad. But, traditional coagulation decoloration process waste water, total cost is higher, and is invalid to the high-concentration printing and dyeing wastewater etc. that some are special. The too high running costs such as oxidation reduction process, ion exchange method, ultrafiltrationmembrane process also have impact on aforesaid method application in practice. Therefore, Existing methods considers there is certain deficiency for the various decoloring methods of dyeing waste water from economy, technical and usability. Most of printing and dyeing factory still adopts charcoal absorption to decolour, but dyestuff is had selectivity by gac, price is higher, regeneration difficulty, application in dyeing waste water adsorption bleaching is restricted, and is generally only applied to the lower treatment of dyeing wastewater of concentration or advanced treatment.
Therefore, need badly provide a kind of with low cost, process effective treatment of dyeing wastewater agent.
Summary of the invention
Goal of the invention: provide a kind of and process effective treatment of dyeing wastewater agent.
Technical scheme: the preparation method of a kind for the treatment of of dyeing wastewater agent comprises the steps:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 4��8h under the particle obtained in step (1) is placed in 450��500 DEG C of conditions, it is cooled to room temperature;
(3) particle after calcining is mixed with acrylamide soln, stir;
(4) in step (3) mixed system, add initiator, initiated polymerization, then add linking agent, crosslinking reaction, obtain mixture;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
As preferably, in described acrylamide soln, the concentration of acrylamide is 10��50g/L.
As preferably, described stirring, whipping temp is 30��45 DEG C, and churning time is 2��5h.
As preferably, described initiator is tertbutyl peroxide or di-cyclohexylperoxy dicarbonate.
As preferably, the add-on of described initiator is 2��4g/L.
As preferably, the temperature of reaction of polyreaction is 35��45 DEG C, the reaction times of polyreaction is 1��5h.
As preferably, described linking agent is hydroxyethyl methylacrylate, the add-on of described linking agent is 1��3g/L.
As preferably, the temperature of reaction of described crosslinking reaction is 60��75 DEG C, the reaction times of crosslinking reaction is 1��6h.
The treatment of dyeing wastewater agent that the preparation method of above-mentioned treatment of dyeing wastewater agent prepares is within protection scope of the present invention.
Upper treatment of dyeing wastewater agent being applied within protection scope of the present invention in treatment of dyeing wastewater.
Useful effect:
Treatment of dyeing wastewater agent prepared by the present invention has that preparation method is simple, high treating effect.
Embodiment
According to following embodiment, it is possible to understand the present invention better. But, those skilled in the art will readily understand, the content described by embodiment is only for illustration of the present invention, and also should can not limit the present invention described in detail in claim book.
Embodiment 1:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 3h under the particle obtained in step (1) being placed in 400 DEG C of conditions, it is cooled to room temperature;
(3) particle after calcining is mixed with 40g/L acrylamide soln, stir;
(4) in step (3) mixed system, add tertbutyl peroxide or di-cyclohexylperoxy dicarbonate, react 4h at 35 DEG C, then add hydroxyethyl methylacrylate, at 65 DEG C, react 4h;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
Embodiment 2:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 6h under the particle obtained in step (1) being placed in 480 DEG C of conditions, it is cooled to room temperature;
(3) being mixed with 50g/L acrylamide soln by the particle after calcining, blending ratio is that 1kg:8L stirs;
(4) in step (3) mixed system, add tertbutyl peroxide or di-cyclohexylperoxy dicarbonate, react 6h at 40 DEG C, then add hydroxyethyl methylacrylate, at 68 DEG C, react 2h;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
Embodiment 3:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 3h under the particle obtained in step (1) being placed in 450 DEG C of conditions, it is cooled to room temperature;
(3) being mixed with 20g/L acrylamide soln by the particle after calcining, blending ratio is that 1kg:8L stirs;
(4) in step (3) mixed system, add tertbutyl peroxide or di-cyclohexylperoxy dicarbonate, react 5h at 50 DEG C, then add hydroxyethyl methylacrylate, at 70 DEG C, react 3h;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
Embodiment 4:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 4h under the particle obtained in step (1) being placed in 500 DEG C of conditions, it is cooled to room temperature;
(3) being mixed with 10g/L acrylamide soln by the particle after calcining, blending ratio is that 1kg:8L stirs;
(4) in step (3) mixed system, add tertbutyl peroxide or di-cyclohexylperoxy dicarbonate, and reacted 5h at 45 DEG C, then add hydroxyethyl methylacrylate, at 75 DEG C, react 3h;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
Claims (10)
1. the preparation method of a treatment of dyeing wastewater agent, it is characterised in that, comprise the steps:
(1) ratio that diatomite, chitosan, tapioca (flour) are 1:0.2:0.5��1 according to mass ratio is mixed, add water and be squeezed into the particle that diameter is 1��2mm;
(2) calcine 4��8h under the particle obtained in step (1) is placed in 450��500 DEG C of conditions, it is cooled to room temperature;
(3) particle after calcining is mixed with acrylamide soln, stir;
(4) in step (3) mixed system, add initiator, initiated polymerization, then add linking agent, crosslinking reaction, obtain mixture;
(5) mixture in step (4) is dried, namely obtain treatment of dyeing wastewater agent.
2. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), in described acrylamide soln, the concentration of acrylamide is 10��50g/L.
3. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), described stirring, whipping temp is 30��45 DEG C, and churning time is 2��5h.
4. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), described initiator is tertbutyl peroxide or di-cyclohexylperoxy dicarbonate.
5. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), the add-on of described initiator is 2��4g/L.
6. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), the temperature of reaction of polyreaction is 35��45 DEG C, and the reaction times of polyreaction is 1��5h.
7. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), described linking agent is hydroxyethyl methylacrylate, and the add-on of described linking agent is 1��3g/L.
8. the preparation method for the treatment of of dyeing wastewater agent according to claim 1, it is characterised in that, in step (3), the temperature of reaction of described crosslinking reaction is 60��75 DEG C, and the reaction times of crosslinking reaction is 1��6h.
9. the treatment of dyeing wastewater agent that the preparation method of the arbitrary described treatment of dyeing wastewater agent of claim 1��8 prepares.
10. the application for the treatment of of dyeing wastewater agent described in claim 9 in treatment of dyeing wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196148.6A CN105622867A (en) | 2016-03-31 | 2016-03-31 | Printing and dyeing wastewater treating agent as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610196148.6A CN105622867A (en) | 2016-03-31 | 2016-03-31 | Printing and dyeing wastewater treating agent as well as preparation method and application thereof |
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| CN105622867A true CN105622867A (en) | 2016-06-01 |
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| CN201610196148.6A Pending CN105622867A (en) | 2016-03-31 | 2016-03-31 | Printing and dyeing wastewater treating agent as well as preparation method and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209090A (en) * | 1985-03-09 | 1986-09-17 | Shimizu Constr Co Ltd | Treatment of waste water |
| CN86106871A (en) * | 1986-10-31 | 1988-03-16 | 云南省环境科学研究所 | Diatomite is handled organic waste waters such as papermaking |
| CN101664672A (en) * | 2008-09-04 | 2010-03-10 | 中国科学院兰州化学物理研究所 | Heavy metal composite adsorbent and method for preparing same |
| CN102527343A (en) * | 2012-01-13 | 2012-07-04 | 吉林大学 | Preparation method of kieselguhr composite adsorbent |
| CN105060444A (en) * | 2015-08-14 | 2015-11-18 | 宁波保税区维迪克环保科技有限公司 | Papermaking wastewater treatment agent and manufacturing method thereof |
-
2016
- 2016-03-31 CN CN201610196148.6A patent/CN105622867A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61209090A (en) * | 1985-03-09 | 1986-09-17 | Shimizu Constr Co Ltd | Treatment of waste water |
| CN86106871A (en) * | 1986-10-31 | 1988-03-16 | 云南省环境科学研究所 | Diatomite is handled organic waste waters such as papermaking |
| CN101664672A (en) * | 2008-09-04 | 2010-03-10 | 中国科学院兰州化学物理研究所 | Heavy metal composite adsorbent and method for preparing same |
| CN102527343A (en) * | 2012-01-13 | 2012-07-04 | 吉林大学 | Preparation method of kieselguhr composite adsorbent |
| CN105060444A (en) * | 2015-08-14 | 2015-11-18 | 宁波保税区维迪克环保科技有限公司 | Papermaking wastewater treatment agent and manufacturing method thereof |
Non-Patent Citations (5)
| Title |
|---|
| 于智，等: "反相乳液法制备硅藻土/聚丙烯酰胺系复合高吸水性树脂", 《沈阳化工大学学报》 * |
| 季君晖、史维明: "《抗菌材料》", 31 August 2003, 化学工业出版社 * |
| 宋业林、宋襄翎: "《水处理设备实用手册》", 31 July 2004, 中国石化出版社 * |
| 王澜、王佩璋、陆晓中: "《高分子材料》", 31 January 2009, 中国轻工业出版社 * |
| 郑水林、袁继祖: "《非金属矿加工技术与应用手册》", 31 May 2005, 冶金工业出版社 * |
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Application publication date: 20160601 |