CN103482783A - Treatment process for plumbic acid waste water generated in production process of lead storage batteries - Google Patents
Treatment process for plumbic acid waste water generated in production process of lead storage batteries Download PDFInfo
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- CN103482783A CN103482783A CN201310414323.0A CN201310414323A CN103482783A CN 103482783 A CN103482783 A CN 103482783A CN 201310414323 A CN201310414323 A CN 201310414323A CN 103482783 A CN103482783 A CN 103482783A
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- waste water
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 26
- 239000002253 acid Substances 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 14
- 229910021514 lead(II) hydroxide Inorganic materials 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 4
- 230000007935 neutral effect Effects 0.000 claims abstract description 4
- 239000000084 colloidal system Substances 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002910 solid waste Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 239000003337 fertilizer Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000012716 precipitator Substances 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 230000001580 bacterial effect Effects 0.000 abstract 2
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 238000009298 carbon filtering Methods 0.000 abstract 1
- 239000008394 flocculating agent Substances 0.000 abstract 1
- 239000010705 motor oil Substances 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a treatment process for plumbic acid waste water generated in the production process of lead storage batteries. The treatment process comprises the steps that large-size suspended matter engine oil in the waste water is removed, the waste water enters a water collection pool later, the water quality and water amount are adjusted, alkali liquor is added for adjusting pH of the waste water, the waste water and lead hydroxide sediments enter a flocculation reaction tank, a flocculating agent is added, heavy metal is caught, a colloid is formed, sludge and the water are separated and clarified through an inclined tube precipitator and by means of gravity settling, upper liquor and the sludge are separated, the upper liquor automatically flows to a quartz sand filter through an overflow weir, suspended matter and total lead are removed, then the upper liquor flows to an activated carbon filtering layer, the suspended matter and the total lead are further removed, filtered outlet water enters a pH return tank, diluted hydrochloric acid with the concentration of 10 percent is added to adjust pH to be neutral, and then the filtered outlet water enters a clean water basin and is cycled and reused. According to the treatment process, harmful chemical reagents are not used, the sludge quantity is small, secondary pollution is avoided, the discharged water can be reused, metal in the bacterial sludge can be recovered, the bacterial sludge can be used as fertilizer, and therefore resources and the cost are saved.
Description
Technical field
The present invention relates to a kind for the treatment of process of plumbic acid waste water, belong to heavy metal (Pb) trade effluent innoxious process for treating field, the treatment process of the plumbic acid waste water that specifically a kind of lead storage battery production process produces.
Background technology
Lead storage battery, produce plumbic acid waste water in process of production, as without improvement, had a strong impact on the healthy of operating personnel, and the serious harm simultaneously peripheral environment caused.In manufacturing plumbous lead storage battery process, technique or the dust removal by ventilation waters such as the waste water of discharging is mainly derived from complex acid, coated plate, change into, the high-salt wastewaters that poaching wastewater, the lead storage battery that changes into pole plate dresses up that rear Cleaning Wastewater, workshop produce waste water in rinsing containing lead fume waste water, lead dust wastewater treatment and mill floor, concentrate bath wastewater, laundry lead waste water, pure water preparation produce etc., mainly contain lead powder, melt lead, lead sulfate, sulfuric acid and some other organic additive and machine oil etc. in these waste water.Lead wherein is first kinds of pollution matter, as very large in do not dealt carefully with harm.
The method of processing at present lead waste water has: chemical precipitation method, ion exchange method and electroosmose process etc.Chemical precipitation method is current most widely used lead waste water treatment technology.Existing treatment process distributed operation process complexity, energy consumption is high.
Summary of the invention
The treatment process of the plumbic acid waste water that the object of the present invention is to provide a kind of lead storage battery production process to produce.
Purpose of the present invention can be achieved through the following technical solutions:
The treatment process of the plumbic acid waste water that a kind of lead storage battery production process produces, is characterized in that, comprises the following steps:
(1) waste water is introduced in oil trap the suspended substance machine oil class of removing comparatively large vol in waste water, after enter water collecting basin, mix;
(2) waste water of step (1) is promoted to pH regulator tank 1 through lift pump, adds alkali lye and stir, be adjusted to pH to 5-6, the 1 water outlet gravity flow of pH regulator tank enters pH regulator tank 2, add alkali lye and stir, regulating pH to 9-9.5, lead ion and hydroxide ion generate the lead hydroxide precipitation;
(3) waste water of step (2) and lead hydroxide precipitation enter the flocculation reaction tank, add flocculation agent, catch heavy metal and form colloid;
(4) waste water of step (3), through tube settler, carries out the mud-water separation clarification, and supernatant liquor separates with mud, removes part lead hydroxide precipitation and COD, SS;
(5) in step (4) in tube settler supernatant liquor through overflow weir from flowing to quartz filter, remove suspended substance and total plumbous, after flow to activated carbon filter layer, further remove suspended substance and total plumbous;
(6) filter water outlet in step (5) and enter pH readjustment tank, adding concentration is 10% dilute hydrochloric acid, regulates pH to neutral, enters the clean water basin cyclically utilizing.
The mud produced in described step (4) enters sludge sump, with pneumatic diaphragm pump suction plate-and-frame filter press, carries out the compacting mummification, and the mud after mummification is processed as solid waste, also can be melted down smelting, and the supernatant liquor leached returns to water collecting basin and again processes.
In described step (2), alkali lye is sodium hydroxide, and the mass concentration of described sodium hydroxide is 30%.
In described step (3), flocculation agent is PAC and PAM.
In described step (3), the dosage of flocculation agent is 2-4mg/L.
Beneficial effect of the present invention: the treatment process of the plumbic acid waste water that the high lead storage battery production process of the present invention produces, for plumbic acid waste water, employing is in conjunction with the precipitator method and absorption method technique, neutralization, flocculation sediment, filtration one step facture, the technique carrier is changed to suite of equipment by structures, and the advanced floor space for the treatment of facility is little, and mud is used less with easy to operate, this combination process has following advantage:
The processing of the plumbic acid waste water that 1, the lead storage battery production process produces is highly stable, has prevented the generation of Lead contamination accident.
2, the reclamation rate after wastewater treatment can reach 100%, effluent quality reach country's " integrated wastewater discharge standard " (GB8978-1996) first discharge standard and " urban sewage reutilization industry water standard " (GB/T19923-2005) after fully recovering in industry as cooling water, substantially realize the target of lead storage battery production process wastewater zero discharge.
3, tail water reuse, can also reduce a large amount of fresh water consumptions, economizes on resources and cost simultaneously.
4, affected by the pH value little; Do not use harmful chemical reagent; Sludge quantity is few; Non-secondary pollution.
But 5, discharge water reuse; In bacterium mud, the recyclable and bacterium mud of metal can be used as fertilizer.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
The treatment process of the plumbic acid waste water that a kind of lead storage battery production process produces comprises the following steps:
Waste water is introduced into suspended substance and the oils that oil trap is removed comparatively large vol in waste water, enters water collecting basin, regulating water quality, the water yield, and waste water is promoted to pH regulator tank 1 through lift pump, and the NaOH solution that to add mass concentration be 30% also stirs between coarse regulation pH to 5-6; The 1 water outlet gravity flow of PH regulating tank enters pH regulator tank 2, the NaOH solution that to add mass concentration be 30%, and stir and further regulate between pH to 9-9.5, lead ion and hydroxide ion generate the lead hydroxide precipitation; After enter the flocculation reaction tank, by adding flocculation agent PAC, PAM, the dosage of flocculation agent is 3mg/L, makes lead hydroxide produce flocculation reaction, forms large alumen ustum; Alumen ustum carries out the mud-water separation clarification in tube settler, and supernatant liquor separates with mud, removes most lead hydroxide precipitations and part COD, SS; The tube settler supernatant liquor from flowing to quartz filter, is removed suspended substance and total plumbous by quartz filter through overflow weir; After flow to again activated carbon filter layer, further remove suspended substance and total plumbous; Filtering water outlet and enter pH readjustment tank, is 10% dilute hydrochloric acid by concentration, regulates pH to neutral, enters clean water basin, all for reuse.
At first the mud that system produces enter sludge sump and collected, and then with pneumatic diaphragm pump suction plate-and-frame filter press, carries out the compacting mummification, and the mud after mummification is processed as solid waste, also can be melted down smelting, and the supernatant liquor leached returns to water collecting basin and again processes.
Table 1 is each cell processing effect of the present invention and water outlet and emission standard contrast table.
Unit: except mg/L(pH)
As shown in Table 1, the present invention can remove most COD, SS and total lead, and in waste water, COD, SS and total lead content are all lower than discharging standards.
Above content is only to technique example of the present invention and explanation; affiliated those skilled in the art make various modifications to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the technique of invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (5)
1. the treatment process of the plumbic acid waste water of a lead storage battery production process generation, is characterized in that, comprises the following steps:
(1) waste water is introduced in oil trap the suspended substance machine oil class of removing comparatively large vol in waste water, after enter water collecting basin, mix;
(2) waste water of step (1) is promoted to pH regulator tank 1 through lift pump, adds alkali lye and stir, regulate pH to 5-6, the 1 water outlet gravity flow of pH regulator tank enters pH regulator tank 2, add alkali lye and stir, regulating pH to 9-9.5, lead ion and hydroxide ion generate the lead hydroxide precipitation;
(3) waste water of step (2) and lead hydroxide precipitation enter the flocculation reaction tank, add flocculation agent, catch heavy metal ion and form colloid;
(4) waste water of step (3), through tube settler, carries out the mud-water separation clarification, and supernatant liquor separates with mud, removes lead hydroxide precipitation, COD, SS;
(5) in step (4) in tube settler supernatant liquor through overflow weir from flowing to quartz filter, remove suspended substance and total plumbous, after flow to activated carbon filter layer, further remove suspended substance and total plumbous;
(6) filter water outlet in step (5) and enter pH readjustment tank, adding concentration is 10% dilute hydrochloric acid, regulates pH to neutral, enters the clean water basin cyclically utilizing.
2. the treatment process of the plumbic acid waste water that lead storage battery production process according to claim 1 produces, it is characterized in that, the mud produced in described step (4) enters sludge sump, carry out the compacting mummification with pneumatic diaphragm pump suction plate-and-frame filter press, mud after mummification is processed as solid waste, also can be melted down smelting, the supernatant liquor leached returns to water collecting basin and again processes.
3. the treatment process of the plumbic acid waste water that lead storage battery production process according to claim 1 produces is characterized in that in described step (2), alkali lye is sodium hydroxide, and the mass concentration of described sodium hydroxide is 30%.
4. the treatment process of the plumbic acid waste water that lead storage battery production process according to claim 1 produces is characterized in that in described step (3), flocculation agent is PAC and PAM.
5. the treatment process of the plumbic acid waste water that lead storage battery production process according to claim 1 produces is characterized in that in described step (3), the dosage of flocculation agent is 2-4mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310414323.0A CN103482783A (en) | 2013-09-12 | 2013-09-12 | Treatment process for plumbic acid waste water generated in production process of lead storage batteries |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310414323.0A CN103482783A (en) | 2013-09-12 | 2013-09-12 | Treatment process for plumbic acid waste water generated in production process of lead storage batteries |
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| CN201310414323.0A Pending CN103482783A (en) | 2013-09-12 | 2013-09-12 | Treatment process for plumbic acid waste water generated in production process of lead storage batteries |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880208A (en) * | 2014-03-05 | 2014-06-25 | 安徽永恒动力科技有限公司 | Plumbic acid wastewater treatment process |
| CN103936190A (en) * | 2014-04-02 | 2014-07-23 | 超威电源有限公司 | Barium hydroxide treatment method with zero discharging of lead-acid storage battery wastewater |
| CN103936191A (en) * | 2014-04-02 | 2014-07-23 | 超威电源有限公司 | Zero discharge treatment method for wastewater of lead-acid battery |
| CN104193049A (en) * | 2014-08-06 | 2014-12-10 | 浙江宝仕电源有限公司 | Storage battery factory sewage purifying apparatus |
| CN105198119A (en) * | 2015-09-21 | 2015-12-30 | 河北碧雪水净化设备有限公司 | Technology for treating solar cell panel production wastewater |
| CN105417783A (en) * | 2015-12-09 | 2016-03-23 | 永兴县灿阳贵金属有限责任公司 | Method for recycling lead in lead-containing waste water |
| CN105621812A (en) * | 2014-12-10 | 2016-06-01 | 朱玉兵 | System for treating lead-bearing petrochemical wastewater |
| CN108409001A (en) * | 2018-03-14 | 2018-08-17 | 山东理工大学 | One kind is containing the leaded wastewater efficient processing method of acid |
| CN108892276A (en) * | 2018-07-26 | 2018-11-27 | 广东新生环保科技股份有限公司 | A kind of waste water treatment system and its method of lead refinery |
| CN109467212A (en) * | 2018-10-26 | 2019-03-15 | 湖州师范学院求真学院 | A kind of compounding mineral medicament |
| CN109467176A (en) * | 2018-10-26 | 2019-03-15 | 湖州师范学院求真学院 | A kind of application method compounding mineral medicament |
| CN110272106A (en) * | 2019-06-17 | 2019-09-24 | 安吉绿金金属材料有限公司 | The wastewater treatment equipment and its processing method of waste and old lead acid accumulator processing |
| CN111875123A (en) * | 2020-08-31 | 2020-11-03 | 太和县大华能源科技有限公司 | Treatment device for waste water recovered from lead-acid storage battery |
| CN112010502A (en) * | 2020-08-27 | 2020-12-01 | 界首市南都华宇电源有限公司 | Sewage treatment method for production and processing of lead storage battery |
| CN112358081A (en) * | 2020-10-26 | 2021-02-12 | 安徽华铂再生资源科技有限公司 | Treatment process of lead-acid wastewater for lead storage battery production and recovery |
| CN117819771A (en) * | 2024-01-29 | 2024-04-05 | 东晟环保科技集团(安徽)股份有限公司 | A recycling process for waste acid from lead-acid battery disassembly |
| CN118561451A (en) * | 2024-05-30 | 2024-08-30 | 东晟环保科技集团(安徽)股份有限公司 | A treatment process for recycling and zero-discharge of waste water from recycled lead production of waste lead-acid batteries |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880208B (en) * | 2014-03-05 | 2015-09-09 | 安徽永恒动力科技有限公司 | A kind of plumbic acid waste water treatment process |
| CN103880208A (en) * | 2014-03-05 | 2014-06-25 | 安徽永恒动力科技有限公司 | Plumbic acid wastewater treatment process |
| CN103936190A (en) * | 2014-04-02 | 2014-07-23 | 超威电源有限公司 | Barium hydroxide treatment method with zero discharging of lead-acid storage battery wastewater |
| CN103936191A (en) * | 2014-04-02 | 2014-07-23 | 超威电源有限公司 | Zero discharge treatment method for wastewater of lead-acid battery |
| CN103936191B (en) * | 2014-04-02 | 2015-04-01 | 超威电源有限公司 | Zero discharge treatment method for wastewater of lead-acid battery |
| CN103936190B (en) * | 2014-04-02 | 2015-06-03 | 超威电源有限公司 | Barium hydroxide treatment method with zero discharging of lead-acid storage battery wastewater |
| CN104193049B (en) * | 2014-08-06 | 2016-05-25 | 浙江宝仕电源有限公司 | A kind of storage battery factory sewage purifier |
| CN104193049A (en) * | 2014-08-06 | 2014-12-10 | 浙江宝仕电源有限公司 | Storage battery factory sewage purifying apparatus |
| CN105621812B (en) * | 2014-12-10 | 2018-10-02 | 荆门市易轩表面处理科技有限公司 | A kind of system of the leaded petrochemical wastewater of processing |
| CN105621812A (en) * | 2014-12-10 | 2016-06-01 | 朱玉兵 | System for treating lead-bearing petrochemical wastewater |
| CN105198119A (en) * | 2015-09-21 | 2015-12-30 | 河北碧雪水净化设备有限公司 | Technology for treating solar cell panel production wastewater |
| CN105417783A (en) * | 2015-12-09 | 2016-03-23 | 永兴县灿阳贵金属有限责任公司 | Method for recycling lead in lead-containing waste water |
| CN108409001A (en) * | 2018-03-14 | 2018-08-17 | 山东理工大学 | One kind is containing the leaded wastewater efficient processing method of acid |
| CN108892276A (en) * | 2018-07-26 | 2018-11-27 | 广东新生环保科技股份有限公司 | A kind of waste water treatment system and its method of lead refinery |
| CN109467176A (en) * | 2018-10-26 | 2019-03-15 | 湖州师范学院求真学院 | A kind of application method compounding mineral medicament |
| CN109467212A (en) * | 2018-10-26 | 2019-03-15 | 湖州师范学院求真学院 | A kind of compounding mineral medicament |
| CN109467176B (en) * | 2018-10-26 | 2021-09-14 | 湖州师范学院求真学院 | Use method of compound mineral medicament |
| CN110272106A (en) * | 2019-06-17 | 2019-09-24 | 安吉绿金金属材料有限公司 | The wastewater treatment equipment and its processing method of waste and old lead acid accumulator processing |
| CN112010502A (en) * | 2020-08-27 | 2020-12-01 | 界首市南都华宇电源有限公司 | Sewage treatment method for production and processing of lead storage battery |
| CN111875123A (en) * | 2020-08-31 | 2020-11-03 | 太和县大华能源科技有限公司 | Treatment device for waste water recovered from lead-acid storage battery |
| CN112358081A (en) * | 2020-10-26 | 2021-02-12 | 安徽华铂再生资源科技有限公司 | Treatment process of lead-acid wastewater for lead storage battery production and recovery |
| CN117819771A (en) * | 2024-01-29 | 2024-04-05 | 东晟环保科技集团(安徽)股份有限公司 | A recycling process for waste acid from lead-acid battery disassembly |
| CN118561451A (en) * | 2024-05-30 | 2024-08-30 | 东晟环保科技集团(安徽)股份有限公司 | A treatment process for recycling and zero-discharge of waste water from recycled lead production of waste lead-acid batteries |
| CN118561451B (en) * | 2024-05-30 | 2024-11-12 | 东晟环保科技集团(安徽)股份有限公司 | A treatment process for recycling and zero-discharge of waste water from the production of recycled lead in waste lead-acid batteries |
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Application publication date: 20140101 |