CN1539764A - Method for treating sewage from industries of blanch or dye and paper making - Google Patents
Method for treating sewage from industries of blanch or dye and paper making Download PDFInfo
- Publication number
- CN1539764A CN1539764A CNA031133215A CN03113321A CN1539764A CN 1539764 A CN1539764 A CN 1539764A CN A031133215 A CNA031133215 A CN A031133215A CN 03113321 A CN03113321 A CN 03113321A CN 1539764 A CN1539764 A CN 1539764A
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- treatment
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- decolouring
- sewage
- paper making
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A method for treating the sewage generated by bleaching, dyeing and paper making includes collecting sewage, deposition, adding chlorate or hypochlorite for decoloring, separating suspended substance, spray oxidizing, removing harmful substance, regulating pH value and reflux for cyclic use.
Description
The present invention relates to a kind ofly to bleaching and dyeing, the method for paper-making industry sewage disposal.
Relevant by retrieval patent documentation, do not retrieve as yet at present identical with the present invention a kind ofly bleaching and dyeing, the method for paper-making industry sewage disposal.Along with the pay attention to day by day of people to environment protection, pollution-free, energy-conservation, water-saving production model is progressively by people's extensive concern.Existing bleaching and dyeing, the sewage disposal of paper industry generally takes sewage harvesting back is added medicament, after multistage quick-fried vapour biochemical treatment, discharge through post precipitation again.Because take multistage water lift, quick-fried vapour biochemical treatment clearance low, it is higher to add to cost, so bring very big difficulty to waste water control.
The objective of the invention is to provide that a kind of to have an investment little, can realize recycling a kind ofly bleaching and dyeing, the method for papermaking wastewater processing.
To achieve these goals, consider investment little, can basis to the sewage recycling use on, the treatment process that employing is used nuisance, adjusting potential of hydrogen, reflux cycle in sewage harvesting precipitation, dosing decolouring adjusting, separating suspension, high-altitude jet flow oxide treatment, the removing water of decomposition is handled sewage, it is characterized in that: it is chloric acid or hypochlorite that the material that adds in the operation is regulated in described dosing decolouring; Described high-altitude jet flow oxide treatment operation adopts tubing that treatment solution is delivered to the high-altitude, carries out oxide treatment through the method that atomisation unit is handled.
Advantage of the present invention is: owing to adopt chloric acid or hypochlorite as the decolouring conditioning agent, and adopt the mode of high-altitude atomizing and oxidizing to remove residual chlorine ion in the treatment solution, thereby treatment process is oversimplified; Because it is little that equipment drops into, operating cost is low, and water quality after treatment is reusable, thereby has realized recycling of water treatment, has reduced the pollution to environment, so very big practical and popularizing value is arranged.
Below with reference to embodiment the present invention is further described;
Of the present inventionly bleaching and dyeing, paper making sewage processing method comprises sewage harvesting precipitation, dosing decolouring adjusting, separating suspension, high-altitude jet flow oxide treatment, remove nuisance in the water of decomposition, regulate potential of hydrogen, treatment process that reflux cycle is used.After in the production sewage being received and kept settling tank, add AlCl
3Precipitation agent adds chloric acid or clorox through stirring post precipitation, makes the processing of decolouring about 7 of its pH value; The throw out that produces with after suspended substance separates, will be delivered to the processing that atomizes in the high aerial atomizing treatment unit through the liquid that decolouring is handled by infusion pump again.The liquid of atomizing falls back to etc. in the hopper after handling with the abundant catalytic oxidation of airborne oxygen.After the harvesting, add medicament and remove objectionable impurities, regulate pH value to required numerical value, the liquid after then obtaining handling is sent the liquid after handling in the production back to by pipeline, has then realized the purpose that recycles.
Claims (1)
1, the method for a kind ofly bleaching and dyeing, papermaking wastewater being handled is characterized in that: the treatment process that it comprises sewage harvesting precipitation, dosing decolouring adjusting, separating suspension, high-altitude jet flow oxide treatment, remove nuisance in the water of decomposition, regulate potential of hydrogen, reflux cycle is used; It is chloric acid or hypochlorite that the material that adds in the operation is regulated in described dosing decolouring; Described high-altitude jet flow oxide treatment operation adopts tubing that treatment solution is delivered to the high-altitude, carries out oxide treatment through the method that atomisation unit is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031133215A CN1539764A (en) | 2003-04-22 | 2003-04-22 | Method for treating sewage from industries of blanch or dye and paper making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031133215A CN1539764A (en) | 2003-04-22 | 2003-04-22 | Method for treating sewage from industries of blanch or dye and paper making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1539764A true CN1539764A (en) | 2004-10-27 |
Family
ID=34320043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031133215A Pending CN1539764A (en) | 2003-04-22 | 2003-04-22 | Method for treating sewage from industries of blanch or dye and paper making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1539764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314755A (en) * | 2014-06-23 | 2016-02-10 | 高嵩 | Method being suitable for treatment of bleaching-and-dyeing and papermaking sewages |
-
2003
- 2003-04-22 CN CNA031133215A patent/CN1539764A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314755A (en) * | 2014-06-23 | 2016-02-10 | 高嵩 | Method being suitable for treatment of bleaching-and-dyeing and papermaking sewages |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |