CN108751495A - A kind of wastewater in textile printing and dyeing industry processing method - Google Patents
A kind of wastewater in textile printing and dyeing industry processing method Download PDFInfo
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- CN108751495A CN108751495A CN201810594488.3A CN201810594488A CN108751495A CN 108751495 A CN108751495 A CN 108751495A CN 201810594488 A CN201810594488 A CN 201810594488A CN 108751495 A CN108751495 A CN 108751495A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/5236—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
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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
- C02F1/5281—Installations for water purification using chemical agents
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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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of wastewater in textile printing and dyeing industry processing methods, and it is 8-9 that textile printing and dyeing wastewater is adjusted pH value in regulating reservoir with alkali, and textile printing and dyeing wastewater is being passed through filter, is filtered, and filtrate is collected, and the filtrate is transferred to progress smoke abatement and dust control processing in deduster；It is transferred to reaction tank, flocculant is added, is stirred, is stood, filtering；It is transferred to oxidation tank, strong oxidizer is added, is aerated more than half an hour, then placed 2-7 hours in oxidation pond or more；Sodium hypochlorite is added and carries out decolorization, until textile printing and dyeing wastewater becomes colorless, is tasteless；Reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.Physics and chemical method are combined by the present invention, and using multiple tracks processing routine, treated waste water does not only reach discharge standard, and also reflowable to be recycled to workshop, process is simple, at low cost, high treating effect.
Description
Technical field
The present invention relates to technical field of waste water processing more particularly to a kind of wastewater in textile printing and dyeing industry processing methods.
Background technology
Textile printing and dyeing industry is industrial wastewater discharge rich and influential family, according to statistics, the textile printing and dyeing wastewater amount about 5 that the whole nation is discharged daily
× 106 cubic metres, and organic concentration is high in waste water, complicated component, coloration is deep, and pH value changes greatly, water quality and water variation
Greatly, belong to and industrial wastewater difficult to deal with.The processing generally use biochemical method and absorption method of textile printing and dyeing wastewater, biology
Chemical method treatment effect is undesirable, and single adsorption agent is difficult to that dyeing waste water is effectively treated in absorption method, and body refuse amount is big, rear to locate
Reason is more difficult, easily causes secondary pollution.
Invention content
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of wastewater in textile printing and dyeing industry processing side
Method.
The present invention is achieved through the following technical solutions：
A kind of wastewater in textile printing and dyeing industry processing method, includes the following steps：
S1, by textile printing and dyeing wastewater regulating reservoir with alkali adjust pH value be 8-9, textile printing and dyeing wastewater is being passed through filter, mistake
Filtrate is collected in filter, and the filtrate is transferred to progress smoke abatement and dust control processing in deduster；
S2, it is transferred to reaction tank, flocculant is added, stirred, stood, filtering；
S3, it is transferred to oxidation tank, strong oxidizer is added, be aerated more than half an hour, then placed 2-7 hours in oxidation pond or more；
S4, sodium hypochlorite progress decolorization is added, until textile printing and dyeing wastewater becomes colorless, is tasteless；
S5, reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.
Further, in the five above process steps, each step is respectively a processing unit.Processing unit is visual
Water quality, dye species and quantity and increase and decrease and combine, sequence be also it is transformable.
Further, filter described in S1 be nonwoven fabric filter, remove textile printing and dyeing wastewater in acid dyes and
Disperse dyes.
Further, flocculant described in S2 is polyacrylamide, and aluminum sulfate is one or more in ferric sulfate.
Compared with prior art, the beneficial effects of the invention are as follows：Physics and chemical method are combined by the present invention, are used
Multiple tracks processing routine, treated waste water do not only reach discharge standard, also reflowable to recycle to workshop, process is simple, at
This low, high treating effect.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with and embodiment, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment 1：
A kind of wastewater in textile printing and dyeing industry processing method, includes the following steps：
S1, by textile printing and dyeing wastewater regulating reservoir alkali adjust pH value be 8, textile printing and dyeing wastewater is being passed through filter, filter,
Filtrate is collected, the filtrate is transferred to progress smoke abatement and dust control processing in deduster；
S2, it is transferred to reaction tank, flocculant is added, stirred, stood, filtering；
S3, it is transferred to oxidation tank, strong oxidizer is added, be aerated 40 minutes, then placed 3 hours in oxidation pond；
S4, sodium hypochlorite progress decolorization is added, until textile printing and dyeing wastewater becomes colorless, is tasteless；
S5, reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.
In the present embodiment, in the five above process steps, each step is respectively a processing unit.Processing unit can
Increase and decrease and combine depending on water quality, dye species and quantity, sequence is also transformable.
In the present embodiment, filter described in S1 is nonwoven fabric filter, removes the acid dyes in textile printing and dyeing wastewater
And disperse dyes.
In the present embodiment, flocculant described in S2 is polyacrylamide.
Embodiment 2：
A kind of wastewater in textile printing and dyeing industry processing method, includes the following steps：
S1, by textile printing and dyeing wastewater regulating reservoir alkali adjust pH value be 8.5, textile printing and dyeing wastewater is being passed through filter, mistake
Filtrate is collected in filter, and the filtrate is transferred to progress smoke abatement and dust control processing in deduster；
S2, it is transferred to reaction tank, flocculant is added, stirred, stood, filtering；
S3, it is transferred to oxidation tank, strong oxidizer is added, be aerated 50 minutes, then placed 5 hours in oxidation pond；
S4, sodium hypochlorite progress decolorization is added, until textile printing and dyeing wastewater becomes colorless, is tasteless；
S5, reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.
In the present embodiment, in the five above process steps, each step is respectively a processing unit.Processing unit can
Increase and decrease and combine depending on water quality, dye species and quantity, sequence is also transformable.
In the present embodiment, filter described in S1 is nonwoven fabric filter, removes the acid dyes in textile printing and dyeing wastewater
And disperse dyes.
In the present embodiment, flocculant described in S2 is polyacrylamide and aluminum sulfate.
Embodiment 3：
A kind of wastewater in textile printing and dyeing industry processing method, includes the following steps：
S1, by textile printing and dyeing wastewater regulating reservoir alkali adjust pH value be 9, textile printing and dyeing wastewater is being passed through filter, filter,
Filtrate is collected, the filtrate is transferred to progress smoke abatement and dust control processing in deduster；
S2, it is transferred to reaction tank, flocculant is added, stirred, stood, filtering；
S3, it is transferred to oxidation tank, strong oxidizer is added, be aerated 2 hours, then placed 7 hours in oxidation pond；
S4, sodium hypochlorite progress decolorization is added, until textile printing and dyeing wastewater becomes colorless, is tasteless；
S5, reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.
In the present embodiment, in the five above process steps, each step is respectively a processing unit.Processing unit can
Increase and decrease and combine depending on water quality, dye species and quantity, sequence is also transformable.
In the present embodiment, filter described in S1 is nonwoven fabric filter, removes the acid dyes in textile printing and dyeing wastewater
And disperse dyes.
In the present embodiment, flocculant described in S2 is aluminum sulfate and ferric sulfate.
It can be seen from the above embodiments that, physics and chemical method are combined by the present invention, using multiple tracks processing routine,
Treated waste water does not only reach discharge standard, and also reflowable to be recycled to workshop, process is simple, at low cost, treatment effect
It is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. a kind of wastewater in textile printing and dyeing industry processing method, which is characterized in that include the following steps：
S1, by textile printing and dyeing wastewater regulating reservoir with alkali adjust pH value be 8-9, textile printing and dyeing wastewater is being passed through filter, mistake
Filtrate is collected in filter, and the filtrate is transferred to progress smoke abatement and dust control processing in deduster；
S2, it is transferred to reaction tank, flocculant is added, stirred, stood, filtering；
S3, it is transferred to oxidation tank, strong oxidizer is added, be aerated more than half an hour, then placed 2-7 hours in oxidation pond or more；
S4, sodium hypochlorite progress decolorization is added, until textile printing and dyeing wastewater becomes colorless, is tasteless；
S5, reverse-osmosis treated is carried out by reverse osmosis membrane, by qualified textile printing and dyeing wastewater direct emission.
2. a kind of wastewater in textile printing and dyeing industry processing method according to claim 1, it is characterised in that：In the five above steps
In processing step, each step is respectively a processing unit, the visual water quality of processing unit, dye species and quantity and increase and decrease and group
It closes, sequence is also transformable.
3. a kind of wastewater in textile printing and dyeing industry processing method according to claim 1, it is characterised in that：It is filtered described in S1
Device is nonwoven fabric filter, removes acid dyes and disperse dyes in textile printing and dyeing wastewater.
4. a kind of wastewater in textile printing and dyeing industry processing method according to claim 1, it is characterised in that：It flocculates described in S2
Agent is polyacrylamide, aluminum sulfate, one or more in ferric sulfate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810594488.3A CN108751495A (en) | 2018-06-11 | 2018-06-11 | A kind of wastewater in textile printing and dyeing industry processing method |
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| CN201810594488.3A CN108751495A (en) | 2018-06-11 | 2018-06-11 | A kind of wastewater in textile printing and dyeing industry processing method |
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| CN201810594488.3A Pending CN108751495A (en) | 2018-06-11 | 2018-06-11 | A kind of wastewater in textile printing and dyeing industry processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142224A (en) * | 2020-09-16 | 2020-12-29 | 宜兴国际环保城科技发展有限公司 | Waste water oxidation treatment method |
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|---|---|---|---|---|
| CN1335274A (en) * | 2001-08-31 | 2002-02-13 | 天津市塘沽区鑫磊环保科技开发有限公司 | Treatment method of textile printing industry effluent |
| CN104016527A (en) * | 2014-06-30 | 2014-09-03 | 赖禄波 | Textile dyeing wastewater treatment method |
| CN104276641A (en) * | 2014-10-29 | 2015-01-14 | 山东华亚环保科技有限公司 | Flocculating agent for textile printing and dyeing wastewater |
| CN104609680A (en) * | 2014-10-16 | 2015-05-13 | 浙江巨能环境工程设备有限公司 | Textile dyeing wastewater treatment and reclamation technique |
| CN105668744A (en) * | 2016-04-06 | 2016-06-15 | 太仓市锦达印染有限公司 | Textile dyeing wastewater flocculant |
| CN206447728U (en) * | 2016-12-22 | 2017-08-29 | 上海复旦水务工程技术有限公司 | A kind of textile printing and dyeing wastewater treatment device |
-
2018
- 2018-06-11 CN CN201810594488.3A patent/CN108751495A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335274A (en) * | 2001-08-31 | 2002-02-13 | 天津市塘沽区鑫磊环保科技开发有限公司 | Treatment method of textile printing industry effluent |
| CN104016527A (en) * | 2014-06-30 | 2014-09-03 | 赖禄波 | Textile dyeing wastewater treatment method |
| CN104609680A (en) * | 2014-10-16 | 2015-05-13 | 浙江巨能环境工程设备有限公司 | Textile dyeing wastewater treatment and reclamation technique |
| CN104276641A (en) * | 2014-10-29 | 2015-01-14 | 山东华亚环保科技有限公司 | Flocculating agent for textile printing and dyeing wastewater |
| CN105668744A (en) * | 2016-04-06 | 2016-06-15 | 太仓市锦达印染有限公司 | Textile dyeing wastewater flocculant |
| CN206447728U (en) * | 2016-12-22 | 2017-08-29 | 上海复旦水务工程技术有限公司 | A kind of textile printing and dyeing wastewater treatment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142224A (en) * | 2020-09-16 | 2020-12-29 | 宜兴国际环保城科技发展有限公司 | Waste water oxidation treatment method |
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Application publication date: 20181106 |