CN104098229A - Oil paint waste water treatment method - Google Patents
Oil paint waste water treatment method Download PDFInfo
- Publication number
- CN104098229A CN104098229A CN201410361992.0A CN201410361992A CN104098229A CN 104098229 A CN104098229 A CN 104098229A CN 201410361992 A CN201410361992 A CN 201410361992A CN 104098229 A CN104098229 A CN 104098229A
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- China
- Prior art keywords
- waste water
- paint waste
- remove
- drained
- oil paint
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an oil paint waste water treatment method and relates to the technical field of waste water treatment. The oil paint waste water treatment method comprises the steps as follows: oil paint waste water is discharged into a primary sedimentation tank and then is subjected to standing and filtration, and filter residues are removed; the obtained filtrate is discharged into a secondary sedimentation tank, added with aluminum polychlorid, and subjected to agitation, standing and filtration, and filter residues are removed; the obtained filtrate is discharged into an oil separating tank to remove oily substances suspending on the surface of the oil paint waste water; the oil paint waste water is discharged into a reaction tank, added with a sodium hydroxide solution and a flocculant, and subjected to agitation and filtration, and filter residues are removed; the obtained filtrate is discharged into a biological filter to remove organic substances in the oil paint waste water. The oil paint waste water treatment method is less in capital investment, low in operation cost and good in treatment effect.
Description
Technical field
The present invention relates to technical field of waste water processing, especially a kind for the treatment of process of paint waste water.
Background technology
In the waste water discharging in Paint Production, contain the organism such as phenols, benzene class, heavy metal, suspended matter and oily substance, make dopant species complexity in paint waste water, and COD content is high.If directly incite somebody to action especially discharge of wastewater, not only environment caused to very big pollution, and HUMAN HEALTH is constituted a threat to.The treatment process of traditional especially waste water is with traditional paint flocculation agent, and Oil Paint Slag is removed to sticky, suspension, and this disposal methods is not thorough, cannot thoroughly remove for bottom, pond, causes secondary pollution, and environmental protection is difficult to up to standard, and running cost is higher.
Summary of the invention
The object of this invention is to provide a kind for the treatment of process of paint waste water, this method can solve the problem that running cost is high.
In order to address the above problem, the technical solution used in the present invention is:
A treatment process for paint waste water, comprises the following steps:
A, paint waste water is drained into first grade subsides pond, leave standstill 1 hour～1.5 hours, filter, remove filter residue;
B, steps A gained filtrate is drained into secondary settling bowl, add polymerize aluminum chloride, stir, leave standstill 0.5 hour～1.5 hours, filter, remove filter residue;
C, step B gained filtrate is drained into oil trap to remove the oily substance that is suspended in paint waste water surface;
D, paint waste water is drained into reactive tank, add sodium hydroxide solution and flocculation agent, stir, filter, remove filter residue; Wherein, described flocculation agent is bodied ferric sulfate, quaternised polyacrylamide, polymerize aluminum chloride one wherein.
E, step D gained filtrate is drained into biofilter to remove the organism in paint waste water.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect:
First the present invention removes suspended matter larger in paint waste water by natural subsidence, then add polymerize aluminum chloride to remove small granular suspended matters matter, passing into oil trap to remove the oil in waste water, then add sodium hydroxide solution and flocculation agent to remove the heavy metal in waste water, finally pass into and be filled with biomembranous biofilter to remove the organism in paint waste water.The present invention injects capital into less, running cost is low, and treatment effect is good.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
Paint waste water is drained into first grade subsides pond, leave standstill 1 hour, filter, remove filter residue; Gained filtrate is drained into secondary settling bowl, add polymerize aluminum chloride, stir, leave standstill 1.5 hours, filter, remove filter residue;
Gained filtrate is drained into oil trap to remove the oily substance that is suspended in paint waste water surface; Paint waste water is drained into reactive tank, add sodium hydroxide solution and bodied ferric sulfate, stir, filter, remove filter residue; Gained filtrate is drained into biofilter to remove the organism in paint waste water.
Embodiment 2
Paint waste water is drained into first grade subsides pond, leave standstill 1.5 hours, filter, remove filter residue; Gained filtrate is drained into secondary settling bowl, add polymerize aluminum chloride, stir, leave standstill 1 hour, filter, remove filter residue;
Gained filtrate is drained into oil trap to remove the oily substance that is suspended in paint waste water surface; Paint waste water is drained into reactive tank, add sodium hydroxide solution and polymerize aluminum chloride, stir, filter, remove filter residue; Gained filtrate is drained into biofilter to remove the organism in paint waste water.
Embodiment 3
Paint waste water is drained into first grade subsides pond, leave standstill 1 hour, filter, remove filter residue; Gained filtrate is drained into secondary settling bowl, add polymerize aluminum chloride, stir, leave standstill 0.5 hour, filter, remove filter residue;
Gained filtrate is drained into oil trap to remove the oily substance that is suspended in paint waste water surface; Paint waste water is drained into reactive tank, add sodium hydroxide solution and quaternised polyacrylamide, stir, filter, remove filter residue; Gained filtrate is drained into biofilter to remove the organism in paint waste water.
Claims (1)
1. a treatment process for paint waste water, is characterized in that comprising the following steps:
A, paint waste water is drained into first grade subsides pond, leave standstill 1 hour～1.5 hours, filter, remove filter residue;
B, steps A gained filtrate is drained into secondary settling bowl, add polymerize aluminum chloride, stir, leave standstill 0.5 hour～1.5 hours, filter, remove filter residue;
C, step B gained filtrate is drained into oil trap to remove the oily substance that is suspended in paint waste water surface;
D, paint waste water is drained into reactive tank, add sodium hydroxide solution and flocculation agent, stir, filter, remove filter residue; Wherein, described flocculation agent is bodied ferric sulfate, quaternised polyacrylamide, polymerize aluminum chloride one wherein;
E, step D gained filtrate is drained into biofilter to remove the organism in paint waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361992.0A CN104098229A (en) | 2014-07-28 | 2014-07-28 | Oil paint waste water treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361992.0A CN104098229A (en) | 2014-07-28 | 2014-07-28 | Oil paint waste water treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104098229A true CN104098229A (en) | 2014-10-15 |
Family
ID=51666825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361992.0A Pending CN104098229A (en) | 2014-07-28 | 2014-07-28 | Oil paint waste water treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104098229A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739135A (en) * | 2017-11-26 | 2018-02-27 | 张延艳 | A kind of processing method of cobalt nickel waste water |
| CN107902797A (en) * | 2017-11-18 | 2018-04-13 | 深圳市安东尼奥家具有限公司 | Paint sewage purifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633540A (en) * | 2008-07-21 | 2010-01-27 | 刘倩 | Method for treating paint waste water |
| CN102992534A (en) * | 2011-09-16 | 2013-03-27 | 常熟科勒有限公司 | Paint wastewater treatment method |
| CN103466843A (en) * | 2013-10-08 | 2013-12-25 | 宜兴市欧瑞特环保科技有限公司 | Technology and device for treating heavy metal ion wastewater |
-
2014
- 2014-07-28 CN CN201410361992.0A patent/CN104098229A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633540A (en) * | 2008-07-21 | 2010-01-27 | 刘倩 | Method for treating paint waste water |
| CN102992534A (en) * | 2011-09-16 | 2013-03-27 | 常熟科勒有限公司 | Paint wastewater treatment method |
| CN103466843A (en) * | 2013-10-08 | 2013-12-25 | 宜兴市欧瑞特环保科技有限公司 | Technology and device for treating heavy metal ion wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902797A (en) * | 2017-11-18 | 2018-04-13 | 深圳市安东尼奥家具有限公司 | Paint sewage purifier |
| CN107739135A (en) * | 2017-11-26 | 2018-02-27 | 张延艳 | A kind of processing method of cobalt nickel waste water |
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Application publication date: 20141015 |