CN109928554B - 一种碱性镀锌废水锌回收、碱回收和废水闭路循环的系统和工艺 - Google Patents
一种碱性镀锌废水锌回收、碱回收和废水闭路循环的系统和工艺 Download PDFInfo
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- CN109928554B CN109928554B CN201910237606.XA CN201910237606A CN109928554B CN 109928554 B CN109928554 B CN 109928554B CN 201910237606 A CN201910237606 A CN 201910237606A CN 109928554 B CN109928554 B CN 109928554B
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- electrodialysis
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- 239000002351 wastewater Substances 0.000 title claims abstract description 58
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000011701 zinc Substances 0.000 title claims abstract description 54
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 54
- 239000003513 alkali Substances 0.000 title claims abstract description 31
- 238000007747 plating Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000000909 electrodialysis Methods 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000013505 freshwater Substances 0.000 claims abstract description 61
- 238000005246 galvanizing Methods 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 239000012528 membrane Substances 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 239000006228 supernatant Substances 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000004062 sedimentation Methods 0.000 claims description 18
- 239000003814 drug Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 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
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
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CN201910237606.XA CN109928554B (zh) | 2019-03-27 | 2019-03-27 | 一种碱性镀锌废水锌回收、碱回收和废水闭路循环的系统和工艺 |
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CN201910237606.XA CN109928554B (zh) | 2019-03-27 | 2019-03-27 | 一种碱性镀锌废水锌回收、碱回收和废水闭路循环的系统和工艺 |
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CN109928554A CN109928554A (zh) | 2019-06-25 |
CN109928554B true CN109928554B (zh) | 2019-12-31 |
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CN113045066A (zh) * | 2021-03-26 | 2021-06-29 | 石增芹 | 一种透明负离子液体的制作方法 |
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CN101805831B (zh) * | 2010-03-24 | 2011-07-20 | 埃梯星(厦门)电子科技有限公司 | 一种在碱性化学镀镍废液中直接提取镍的方法 |
CN103539303A (zh) * | 2013-11-15 | 2014-01-29 | 中冶华天工程技术有限公司 | 电镀废水处理回用工艺及系统 |
CN106219830A (zh) * | 2016-06-01 | 2016-12-14 | 东莞汇金环境科技有限公司 | 一种电镀重金属废水零排放系统及方法 |
CN108751533A (zh) * | 2018-06-05 | 2018-11-06 | 苏州聚微环保科技有限公司 | 一种适用于金属加工过程中酸性漂洗废水的处理方法 |
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Effective date of registration: 20240428 Address after: Room 901, Building 18, Taiguan Technology Industrial Park, No. 7 Huitai North Road, Huinan High tech Industrial Park, Huizhou City, Guangdong Province, 516025 Patentee after: Guangdong Yimo Technology Co.,Ltd. Country or region after: China Address before: 523000, 1st Floor, Tingfeng Industrial Park, Shuilang Village, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region before: China |
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