CN103588345A - Chemical recycling method for treating phosphorus-containing wastewater from electrode foil production - Google Patents
Chemical recycling method for treating phosphorus-containing wastewater from electrode foil production Download PDFInfo
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- CN103588345A CN103588345A CN201210287158.2A CN201210287158A CN103588345A CN 103588345 A CN103588345 A CN 103588345A CN 201210287158 A CN201210287158 A CN 201210287158A CN 103588345 A CN103588345 A CN 103588345A
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- phosphorus
- containing wastewater
- electrode foil
- recovery
- separation
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Abstract
The invention relates to a chemical recycling method for treating phosphorus-containing wastewater from electrode foil production and belongs to the fields of chemistry, environmental engineering and industrial wastewater treatment. The technical problem to be solved is to recover phosphorus in the phosphorus-containing wastewater by using a recovery agent as a raw material. The main points in the technical scheme is as below: adjusting the pH, adding the recovery agent, separating reaction precipitates and conducting multiple-step washing on the separated solid phase to obtain the recovery object; and carrying out biochemical treatment on the liquid phase after recovery, so that the phosphorus content of the liquid phase reaches the national discharge standard. Compared with the prior art, the chemical recycling method for treating phosphorus-containing wastewater from electrode foil production provided by the invention has the characteristics of recovery of resources, reduction in the biochemical treatment burden, improvement of treatment efficiency and avoiding of secondary pollution, and can realize the large-scale treatment. Therefore, the method for treating phosphorus-containing wastewater from electrode foil production is simple, efficient, energy-saving and environment-friendly, and reaches comprehensive utilization of resources.
Description
Technical field
The present invention relates to a kind of chemical recovery and process the method for phosphorus-containing wastewater in electrode foil production.Belong to chemistry and environmental engineering, industrial sewage process field.
Background technology
The method of processing phosphorus-containing wastewater in electrode foil production is to take recovery catalyst as a raw material, the method for the phosphorus recycling of phosphorus-containing wastewater during electrode foil is produced.Be applied to the fields such as resource recycling, water treatment, environmental improvement.
From production technique, in existing electrode foil production, the treatment process of phosphorus-containing wastewater is that lime adds biochemical treatment process.There is the defects such as biochemical treatment burden is heavy, processing efficiency is low, waste residue amount greatly, easily produces secondary pollution, the wasting of resources cannot be reclaimed.
Summary of the invention
The object of the invention be to provide a kind of chemical recovery process electrode foil produce in the method for phosphorus-containing wastewater, be a kind ofly to take recovery catalyst as raw material, the method for the phosphorus recycling of phosphorus-containing wastewater in by chemical process, electrode foil being produced.
A kind of chemical recovery of the present invention is processed the method for phosphorus-containing wastewater in electrode foil production, compared with prior art has the resource of recovery, alleviates biochemical treatment burden, improves processing efficiency, avoids the features such as secondary pollution, can realize extensive processing.It is the method for phosphorus-containing wastewater during a kind of processing electrode foil simple, efficient, energy saving, environmental protection, comprehensive utilization of resources is produced.
Chemical recovery is processed a method for phosphorus-containing wastewater in electrode foil production, and its concrete steps are:
(1) pH adjusts: add electrode foil to produce in phosphorus-containing wastewater recovery catalyst, stirring reaction, adjusts pH to 0.5-10.
(2) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (1) gained reactant.
(3) washing: step (2) gained precipitation material is added to water washing.
(4) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (3) material, obtain one-level regenerant.
(5) reclaim: recovery catalyst is added in step (2) gained filtrate to stirring reaction.
(6) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (5) gained reactant.
(7) washing: step (6) gained precipitation material is added to water washing.
(8) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (7) material, obtain secondary recovery thing.
(9) biochemical treatment: acid or alkali are added in step (6) gained filtrate, and stirring reaction, utilizes whizzer separation or filter method precipitation separation after adjustment pH to 6-8.Gained filter residue is three grades of regenerants.
(10) biochemical treatment: step (9) gained filtrate is carried out to biochemical treatment, and in filtrate, phosphorus content reaches discharging standards.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
Embodiment
Below by embodiment, further illustrate technical scheme of the present invention, but with embodiment, be not limited.
Embodiment 1
At 4 tons of electrode foils, produce in phosphorus-containing wastewater and add alkali 150kg, start stirrer, react sedimentation and filtration 20 minutes.Filtrate adds extraction agent 280kg, starts stirrer, reacts 20 minutes, and sedimentation and filtration, detects filtrate total phosphorus (T-P).Former water total phosphorus (T-P) is 4631.4mg/L, and after processing, total phosphorus (T-P) is 3.25mg/L, and clearance is 99.92%.
Claims (4)
1. the present invention relates to a kind of chemical recovery and process the method for phosphorus-containing wastewater in electrode foil production, it is characterized in that, described chemical recovery process electrode foil produce in the method for phosphorus-containing wastewater be a kind ofly to take recovery catalyst as raw material, the method for the phosphorus recycling of phosphorus-containing wastewater during electrode foil is produced.Its concrete steps are:
(1) pH adjusts: recovery catalyst is added in the phosphorus-containing wastewater of electrode foil production, stirring reaction, adjusts pH to 0.5-10.
(2) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (1) gained reactant.
(3) washing: step (2) gained precipitation material is added to water washing.
(4) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (3) material, obtain one-level regenerant.
(5) reclaim: recovery catalyst is added in step (2) gained filtrate to stirring reaction.
(6) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (5) gained reactant.
(7) washing: step (6) gained precipitation material is added to water washing.
(8) precipitation separation: utilize whizzer separation or filter method by the precipitate and separate in step (7) material, obtain secondary recovery thing.
(9) biochemical treatment: acid or alkali are added in step (6) gained filtrate, and stirring reaction, utilizes whizzer separation or filter method precipitation separation after adjustment pH to 6-8.Gained filter residue is three grades of regenerants.
(10) biochemical treatment: step (9) gained filtrate is carried out to biochemical treatment, and in Filtrate, phosphorus content reaches discharging standards.
2. a kind of chemical recovery as claimed in claim 1 is processed the method for phosphorus-containing wastewater in electrode foil production, it is characterized in that, described recovery catalyst is Al
3+, Ca
2+, Mg
2+, Fe
2+, Fe
3+, Zn
2+, Pb
2+, Na
+, K
+, Ag
+, Ca
2+, Cu
2+salt or a kind of or any phase mixture wherein in oxyhydroxide.
A kind of chemical recovery as claimed in claim 1 or 2 process electrode foil produce in the method for phosphorus-containing wastewater, it is characterized in that, described electrode foil produce in phosphorus-containing wastewater be a kind of in phosphoric acid or its salt or any phase mixture wherein.
A kind of chemical recovery as described in claim 1-3 process electrode foil produce in the method for phosphorus-containing wastewater, it is characterized in that, described acid is a kind of in phosphoric acid, nitric acid, hydrochloric acid, sulfuric acid, organic acid or any phase mixture wherein; Described alkali is Al
3+, Ca
2+, Mg
2+, Fe
2+, Fe
3+, Zn
2+, Pb
2+, Na
+, K
+, Ag
+, Ca
2+, Ca
2+, NH
4 +oxyhydroxide in a kind of or any phase mixture wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210287158.2A CN103588345A (en) | 2012-08-14 | 2012-08-14 | Chemical recycling method for treating phosphorus-containing wastewater from electrode foil production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210287158.2A CN103588345A (en) | 2012-08-14 | 2012-08-14 | Chemical recycling method for treating phosphorus-containing wastewater from electrode foil production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103588345A true CN103588345A (en) | 2014-02-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210287158.2A Pending CN103588345A (en) | 2012-08-14 | 2012-08-14 | Chemical recycling method for treating phosphorus-containing wastewater from electrode foil production |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879536A (en) * | 2017-12-07 | 2018-04-06 | 乳源瑶族自治县东阳光化成箔有限公司 | A kind of processing method of the waste water of nitric acid containing aluminium |
| CN110156056A (en) * | 2019-04-18 | 2019-08-23 | 新疆众和股份有限公司 | A method of special-alumina is prepared containing phosphorus waste liquid using corrosive aluminum foil |
| CN113526781A (en) * | 2020-04-22 | 2021-10-22 | 大连波美科技有限公司 | Treatment and recycling system and process for vegetable oil saponin wastewater |
| CN113526479A (en) * | 2020-04-22 | 2021-10-22 | 大连波美科技有限公司 | Method for extracting phosphorus from phosphorus-containing wastewater |
Citations (3)
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| US6111685A (en) * | 1997-12-19 | 2000-08-29 | Rockwell Science Center, Llc | Reversible electrochemical mirror (REM) with improved electrolytic solution |
| CN1484259A (en) * | 2003-07-10 | 2004-03-24 | 深圳市东阳光化成箔股份有限公司 | Method for mfg of anode foil of aluminium electrolytic capacitor |
| CN101434445A (en) * | 2008-12-19 | 2009-05-20 | 天津大学 | Processing system and operation method for phosphor-containing organic wastewater |
-
2012
- 2012-08-14 CN CN201210287158.2A patent/CN103588345A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6111685A (en) * | 1997-12-19 | 2000-08-29 | Rockwell Science Center, Llc | Reversible electrochemical mirror (REM) with improved electrolytic solution |
| CN1484259A (en) * | 2003-07-10 | 2004-03-24 | 深圳市东阳光化成箔股份有限公司 | Method for mfg of anode foil of aluminium electrolytic capacitor |
| CN101434445A (en) * | 2008-12-19 | 2009-05-20 | 天津大学 | Processing system and operation method for phosphor-containing organic wastewater |
Non-Patent Citations (1)
| Title |
|---|
| 吕根品等: "化成箔废水除磷的研究", 《广东化工》, vol. 36, no. 8, 20 October 2009 (2009-10-20) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879536A (en) * | 2017-12-07 | 2018-04-06 | 乳源瑶族自治县东阳光化成箔有限公司 | A kind of processing method of the waste water of nitric acid containing aluminium |
| CN107879536B (en) * | 2017-12-07 | 2021-05-04 | 乳源瑶族自治县东阳光化成箔有限公司 | Treatment method of aluminum-containing nitric acid wastewater |
| CN110156056A (en) * | 2019-04-18 | 2019-08-23 | 新疆众和股份有限公司 | A method of special-alumina is prepared containing phosphorus waste liquid using corrosive aluminum foil |
| CN110156056B (en) * | 2019-04-18 | 2021-12-28 | 新疆众和股份有限公司 | Method for preparing special alumina by using phosphorus-containing waste liquid generated by corroding aluminum foil |
| CN113526781A (en) * | 2020-04-22 | 2021-10-22 | 大连波美科技有限公司 | Treatment and recycling system and process for vegetable oil saponin wastewater |
| CN113526479A (en) * | 2020-04-22 | 2021-10-22 | 大连波美科技有限公司 | Method for extracting phosphorus from phosphorus-containing wastewater |
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Application publication date: 20140219 |