CN105948214A - Decolorizing flocculant for printing and dyeing wastewater and preparation method of decolorizing flocculant - Google Patents
Decolorizing flocculant for printing and dyeing wastewater and preparation method of decolorizing flocculant Download PDFInfo
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- CN105948214A CN105948214A CN201610481128.3A CN201610481128A CN105948214A CN 105948214 A CN105948214 A CN 105948214A CN 201610481128 A CN201610481128 A CN 201610481128A CN 105948214 A CN105948214 A CN 105948214A
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Classifications
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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 application discloses a decolorizing flocculant for printing and dyeing wastewater and a preparation method of the decolorizing flocculant. The decolorizing flocculant for printing and dyeing wastewater comprises the following components in parts by weight: 10-12 parts of polyacrylamide, 15-20 parts of sodium silicate, 5-8 parts of diethylenetriamine, 12-15 parts of ammonium chloride, 7-13 parts of aluminum sulfate, 10-15 parts of dicyandiamide, 5-10 parts of hydrochloric acid, 5-8 parts of zinc oxide and 13-16 parts of glyoxal. Through the particular choice of all components in parts by weight and a preparation process of the decolorizing flocculant for printing and dyeing wastewater provided by the invention, the decolorizing flocculant for printing and dyeing wastewater provided by the invention enables a total solid removal rate of the printing and dyeing wastewater to reach 85.4-95.2%, a color removal rate to reach 91.5-95.6% and a COD removal rate to reach 80.9-87.8%, and significantly improves the flocculation and decolorizing ability of the decolorizing flocculant for printing and dyeing wastewater.
Description
Technical field
The disclosure relates generally to technical field of waste water processing, is specifically related to treatment of dyeing wastewater, especially
It relates to dyeing waste water decolorization flocculation agent and preparation method thereof.
Background technology
Textile printing and dyeing industry, as the traditional characteristics industry of China, has been obtained for significant progress.
Wherein, textile printing and dyeing needs to use substantial amounts of water, has in textile printing and dyeing wastewater after a procedure
The features such as the water yield is big, organic pollution content is high, alkalescence is big, change of water quality is big, belong to difficult
One of industrial wastewater, containing dyestuff, slurry, auxiliary agent, oil preparation, soda acid, fiber in waste water
Impurity, sand class material, inorganic salt etc., directly can cause huge injury to environment if discharge.
In existing process dyeing waste water technique, general employing " coagulation+biochemistry " processes technique,
But in recent years due to the development of science fabric, the rise of Silk and finishing process in printing and dye-ing skill
The progress of art, uses the difficult biochemical fall such as polyvinyl alcohol pulp, artificial silk alkaline hydrolysis thing, New-type adjuvant
Solve Organic substance and enter dyeing waste water in a large number, cause microorganism that the degradation capability of dyestuff is declined, enter
And making full technique outlet water at tail end colourity higher, COD COD concentration is the highest, difficult
To meet the requirement of country.So, how to develop notable efficiently reduction COD and the print of colourity
Dye waste water decolorization flocculation agent has become as study hotspot and the difficult point of those skilled in the art.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide one to reduce COD and color
Dyeing waste water decolorization flocculation agent and preparation method thereof of degree.
The present invention provides a kind of dyeing waste water decolorization flocculation agent, including the group of following parts by weight
Point: polyacrylamide 10-12 part, sodium silicate 15-20 part, diethylenetriamine 5-8 part, chlorine
Change ammonium 12-15 part, aluminum sulfate 7-13 part, dicyandiamide 10-15 part, hydrochloric acid 5-10 part, oxidation
Zinc 5-8 part, Biformyl 13-16 part.
The present invention also provides for preparing the preparation method of above-mentioned dyeing waste water decolorization flocculation agent, step
1, take the first component to be placed in reactor, be heated to 70-80 DEG C, react 1-2h, mixture
A；Step 2, in mixture A add second component, be heated to 70-80 DEG C, react 1-2h,
Then heat up and be heated to 90-100 DEG C, react 0.5-1h, obtain mixture B；Step 3, mixed
Compound B adds the 3rd component, is heated to 70-80 DEG C, react 2-3h, obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 12-24h, obtain dyeing waste water
Use decolorization flocculation agent；Wherein, the first component includes: the polyacrylamide of 50-60% parts by weight,
The ammonium chloride of 70-75% parts by weight, the aluminum sulfate of 100% parts by weight, 50-60% weight portion
The zinc oxide of number, the Biformyl of 50-60% parts by weight；Second component includes: remaining poly-third
Acrylamide, 50-60% diethylenetriamine, the sodium silicate of 100% parts by weight, 60-75% weight
The dicyandiamide of number, the hydrochloric acid of 70-80% parts by weight；3rd component includes: remaining diethyl
Alkene triamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid, remaining zinc oxide
And remaining Biformyl.
The dyeing waste water decolorization flocculation agent that the present invention provides, by each group of above-mentioned weight fraction
Point specific selection, and for the present invention provide dyeing waste water decolorization flocculation agent prepare work
Skill so that the dyeing waste water decolorization flocculation agent that the present invention provides can make dyeing waste water total solid go
Except rate is at 85.4-95.2%, chroma removal rate up to 91.5-95.6%, COD clearance up to
80.9-87.8%, promotes the flocculation of dyeing waste water decolorization flocculation agent and ability of discoloring significantly.
Accompanying drawing explanation
By reading retouching in detail with reference to made non-limiting example is made of the following drawings
Stating, other features, purpose and advantage will become more apparent upon:
The technological process preparing dyeing waste water decolorization flocculation agent that Fig. 1 embodiment of the present invention provides
Figure.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that
, specific embodiment described herein is used only for explaining related invention, rather than to this
Bright restriction.It also should be noted that, for the ease of describe, accompanying drawing illustrate only with
The part that invention is relevant.
It should be noted that in the case of not conflicting, the embodiment in the application and embodiment
In feature can be mutually combined.Describe this below with reference to the accompanying drawings and in conjunction with the embodiments in detail
Application.
Embodiment 1
In the present embodiment, the agent of dyeing waste water decolorization flocculation includes the component of following parts by weight:
Polyacrylamide 10 parts, sodium silicate 15 parts, diethylenetriamine 5 parts, ammonium chloride 12 parts,
7 parts of aluminum sulfate, dicyandiamide 10 parts, hydrochloric acid 5 parts, zinc oxide 5 parts, Biformyl 13 parts.
Refer to Fig. 1, the present embodiment uses and prepares dyeing waste water decolorization flocculation agent bag as follows
Method, specifically include following steps:
Step 1, take the first component and be placed in reactor, be heated to 75 DEG C, react 1h,
Mixture A；
Step 2, in mixture A add second component, be heated to 70 DEG C, react 1h,
Then heat up and be heated to 90 DEG C, react 1h, obtain mixture B；
Step 3, in mixture B add the 3rd component, be heated to 70 DEG C, react 2h,
Obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 16h, must print and dye useless
Water decolorization flocculation agent；
Wherein, the first component includes: 5 parts of polyacrylamides, 8.5 parts of ammonium chloride, 7 parts of sulphuric acid
Aluminum, 3 parts of zinc oxide, 6 parts of Biformyls；Second component includes: 5 parts of polyacrylamides, 3 parts
Diethylenetriamine, the sodium silicate of 15 parts, 7 parts of dicyandiamides, 4 parts of hydrochloric acid；3rd component includes:
Remaining diethylenetriamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid, remaining
Under zinc oxide and remaining Biformyl.
Embodiment 2
In the present embodiment, the agent of dyeing waste water decolorization flocculation includes the component of following parts by weight:
Polyacrylamide 11 parts, sodium silicate 16 parts, diethylenetriamine 6 parts, ammonium chloride 13 parts,
8 parts of aluminum sulfate, dicyandiamide 11 parts, hydrochloric acid 6 parts, zinc oxide 6 parts, Biformyl 14 parts.
Refer to Fig. 1, the present embodiment uses and prepares dyeing waste water decolorization flocculation agent bag as follows
Method, specifically include following steps:
Step 1, take the first component and be placed in reactor, be heated to 75 DEG C, react 1h,
Mixture A；
Step 2, in mixture A add second component, be heated to 75 DEG C, react 2h,
Then heat up and be heated to 95 DEG C, react 0.8h, obtain mixture B；
Step 3, in mixture B add the 3rd component, be heated to 76 DEG C, react 2h,
Obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 18h, must print and dye useless
Water decolorization flocculation agent；
Wherein, the first component includes: 6 parts of polyacrylamides, 9.5 parts of ammonium chloride, 8 parts of sulphuric acid
Aluminum, 3.5 parts of zinc oxide, 8 parts of Biformyls；Second component includes: 5 parts of polyacrylamides, 3.5
Part diethylenetriamine, the sodium silicate of 16 parts, 7 parts of dicyandiamides, 4.5 parts of hydrochloric acid；3rd component bag
Include: remaining diethylenetriamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid,
Remaining zinc oxide and remaining Biformyl.
Embodiment 3
In the present embodiment, the agent of dyeing waste water decolorization flocculation includes the component of following parts by weight:
Polyacrylamide 11 parts, sodium silicate 18 parts, diethylenetriamine 7 parts, ammonium chloride 13 parts,
10 parts of aluminum sulfate, dicyandiamide 12 parts, hydrochloric acid 8 parts, zinc oxide 7 parts, Biformyl 14 parts.
Refer to Fig. 1, the present embodiment uses and prepares dyeing waste water decolorization flocculation agent bag as follows
Method, specifically include following steps:
Step 1, take the first component and be placed in reactor, be heated to 75 DEG C, react 1h,
Mixture A；
Step 2, in mixture A add second component, be heated to 75 DEG C, react 2h,
Then heat up and be heated to 95 DEG C, react 0.8h, obtain mixture B；
Step 3, in mixture B add the 3rd component, be heated to 78 DEG C, react 2h,
Obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 22h, must print and dye useless
Water decolorization flocculation agent；
Wherein, the first component includes: 6 parts of polyacrylamides, 9.5 parts of ammonium chloride, 10 parts of sulphuric acid
Aluminum, 3.5 parts of zinc oxide, 8 parts of Biformyls；Second component includes: 5 parts of polyacrylamides, 4
Part diethylenetriamine, the sodium silicate of 18 parts, 8 parts of dicyandiamides, 6 parts of hydrochloric acid；3rd component bag
Include: remaining diethylenetriamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid,
Remaining zinc oxide and remaining Biformyl.
Embodiment 4
In the present embodiment, permanent-magnet ferrite magnetic material includes the component of following parts by weight:
Polyacrylamide 12 parts, sodium silicate 20 parts, diethylenetriamine 8 parts, ammonium chloride 15 parts,
13 parts of aluminum sulfate, dicyandiamide 15 parts, hydrochloric acid 10 parts, zinc oxide 8 parts, Biformyl 16 parts.
Step 1, take the first component and be placed in reactor, be heated to 80 DEG C, react 2h,
Mixture A；
Step 2, in mixture A add second component, be heated to 80 DEG C, react 1h,
Then heat up and be heated to 100 DEG C, react 1h, obtain mixture B；
Step 3, in mixture B add the 3rd component, be heated to 70 DEG C, react 3h,
Obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 24h, must print and dye useless
Water decolorization flocculation agent；
Wherein, the first component includes: 7 parts of polyacrylamides, 10.5 parts of ammonium chloride, 13 parts of sulfur
Acid aluminum, 4.5 parts of zinc oxide, 9 parts of Biformyls；Second component includes: 5 parts of polyacrylamides,
4. part diethylenetriamine, 13 parts of sodium silicate, 10 parts of dicyandiamides, 8 parts of hydrochloric acid；3rd component bag
Include: remaining diethylenetriamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid,
Remaining zinc oxide and remaining Biformyl.
In order to verify dyeing waste water decolorization flocculation agent prepared by the preparation technology that the present invention provides
Correlated performance, respectively to the dyeing waste water decolouring wadding prepared in embodiment 1 to embodiment 4
Solidifying agent performance is tested, and obtains such as the data of table 1.
Table 1
| Test event | Total solid clearance (%) | Chroma removal rate (%) | COD clearance (%) |
| Embodiment 1 | 87.3 | 92.1 | 80.9 |
| Embodiment 2 | 95.2 | 94.4 | 85.3 |
| Embodiment 3 | 91.8 | 95.6 | 87.8 |
| Embodiment 4 | 85.4 | 91.5 | 86.2 |
As shown in Table 1, the dyeing waste water decolouring wadding that the preparation technology that the present invention provides prepares
Solidifying agent is obviously improved in terms of total solid removal, color removal and COD removal.Tool
Body ground, total solid clearance can reach 95.2%, and chroma removal rate can reach 95.6%, COD
Clearance can reach 87.8%.
Applicants contemplate that, why the dyeing waste water decolorization flocculation agent that the present invention provides can reach
To the excellent properties of above-mentioned 3 aspects, it is because the dyeing waste water decolorization flocculation that the present invention provides
In agent, each component is specific selection, and each the content of component is also to survey through repeatedly repetition test
Examination just obtains.Remaining compositional selecting of the present invention and content select the most non-obvious,
Those skilled in the art absolutely not combine prior art and can readily occur in.Meanwhile, in conjunction with the present invention
Embodiment it will be seen that the preparation method of the present invention uses the design of four steps, component in batches
Adding each component, and the percentage ratio added has special scope, this technique is to print and dye with the present invention
The special proportioning of the component of waste water decolorization flocculation agent adapts, only with using this technique,
The smooth sequential of guarantee reaction system is carried out, it is ensured that finally prepare dyeing waste water decolouring wadding
The superior quality of solidifying agent.
It addition, the amount of generally using of the dyeing waste water decolorization flocculation agent of present invention offer exists
Between 200-230mg/L, specifically used amount can increase and decrease according to the actual requirements.
Above description is only the preferred embodiment of the application and saying institute's application technology principle
Bright.It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from
In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature carry out combination in any
And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein
The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.
Claims (3)
1. a dyeing waste water decolorization flocculation agent, it is characterised in that include following parts by weight
Component:
Polyacrylamide 10-12 part, sodium silicate 15-20 part, diethylenetriamine 5-8 part,
Ammonium chloride 12-15 part, aluminum sulfate 7-13 part, dicyandiamide 10-15 part, hydrochloric acid 5-10 part, oxygen
Change zinc 5-8 part, Biformyl 13-16 part.
Dyeing waste water decolorization flocculation agent the most according to claim 1, it is characterised in that
Component including following parts by weight:
Polyacrylamide 11 parts, sodium silicate 18 parts, diethylenetriamine 7 parts, ammonium chloride 13
Part, 10 parts of aluminum sulfate, dicyandiamide 12 parts, hydrochloric acid 8 parts, zinc oxide 7 parts, Biformyl 14
Part.
3. the method preparing dyeing waste water decolorization flocculation agent described in claim 1,
It is characterized in that, comprise the steps:
Step 1, take the first component and be placed in reactor, be heated to 70-80 DEG C, react 1-2h,
Mixture A；
Step 2, in mixture A add second component, be heated to 70-80 DEG C, react 1-2h,
Then heat up and be heated to 90-100 DEG C, react 0.5-1h, obtain mixture B；
Step 3, in mixture B add the 3rd component, be heated to 70-80 DEG C, react 2-3h,
Obtain mixture C；
Step 4, mixture C is cooled down, then carry out ripening 12-24h, obtain described
Dyeing waste water decolorization flocculation agent；
Wherein, described first component includes: the polyacrylamide of 50-60% parts by weight,
The ammonium chloride of 70-75% parts by weight, the aluminum sulfate of 100% parts by weight, 50-60% weight portion
The zinc oxide of number, the Biformyl of 50-60% parts by weight；Described second component includes: remaining
Polyacrylamide, 50-60% diethylenetriamine, the sodium silicate of 100% parts by weight, 60-75%
The dicyandiamide of parts by weight, the hydrochloric acid of 70-80% parts by weight；Described 3rd component includes: remaining
Under diethylenetriamine, remaining ammonium chloride, remaining dicyandiamide, remaining hydrochloric acid, remaining
Zinc oxide and remaining Biformyl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481128.3A CN105948214A (en) | 2016-06-28 | 2016-06-28 | Decolorizing flocculant for printing and dyeing wastewater and preparation method of decolorizing flocculant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481128.3A CN105948214A (en) | 2016-06-28 | 2016-06-28 | Decolorizing flocculant for printing and dyeing wastewater and preparation method of decolorizing flocculant |
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| Publication Number | Publication Date |
|---|---|
| CN105948214A true CN105948214A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610481128.3A Pending CN105948214A (en) | 2016-06-28 | 2016-06-28 | Decolorizing flocculant for printing and dyeing wastewater and preparation method of decolorizing flocculant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319905A (en) * | 2018-10-22 | 2019-02-12 | 新疆环境工程技术有限责任公司 | Decolorising agent for dyeing and printing sewage |
| CN113860456A (en) * | 2021-11-11 | 2021-12-31 | 新疆水处理工程技术研究中心有限公司 | Flocculating agent and preparation method thereof |
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| US6171506B1 (en) * | 1998-01-23 | 2001-01-09 | Ciba Specialty Chemicals Water Treatments Limited | Thickening of aqueous mineral suspensions |
| CN1663917A (en) * | 2004-03-04 | 2005-09-07 | 上海师范大学 | Flocculant for purification of printing and dyeing wastewater |
| CN101050007A (en) * | 2007-04-29 | 2007-10-10 | 武汉理工大学 | Strong effective decoloring decontaminating purifying agent for wastewater of dyestuff, and preparation method |
| CN102115239A (en) * | 2009-12-30 | 2011-07-06 | 中国中化股份有限公司 | Protein flocculant for treating printing and dyeing wastewater |
| CN102344192A (en) * | 2010-12-13 | 2012-02-08 | 新疆德蓝股份有限公司 | Preparation method of special-purposed coagulant used for treating printing and dyeing waste water |
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2016
- 2016-06-28 CN CN201610481128.3A patent/CN105948214A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6171506B1 (en) * | 1998-01-23 | 2001-01-09 | Ciba Specialty Chemicals Water Treatments Limited | Thickening of aqueous mineral suspensions |
| CN1663917A (en) * | 2004-03-04 | 2005-09-07 | 上海师范大学 | Flocculant for purification of printing and dyeing wastewater |
| CN101050007A (en) * | 2007-04-29 | 2007-10-10 | 武汉理工大学 | Strong effective decoloring decontaminating purifying agent for wastewater of dyestuff, and preparation method |
| CN102115239A (en) * | 2009-12-30 | 2011-07-06 | 中国中化股份有限公司 | Protein flocculant for treating printing and dyeing wastewater |
| CN102344192A (en) * | 2010-12-13 | 2012-02-08 | 新疆德蓝股份有限公司 | Preparation method of special-purposed coagulant used for treating printing and dyeing waste water |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319905A (en) * | 2018-10-22 | 2019-02-12 | 新疆环境工程技术有限责任公司 | Decolorising agent for dyeing and printing sewage |
| CN113860456A (en) * | 2021-11-11 | 2021-12-31 | 新疆水处理工程技术研究中心有限公司 | Flocculating agent and preparation method thereof |
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