CN113929226A - 一种草酸废液回收***及回收方法 - Google Patents
一种草酸废液回收***及回收方法 Download PDFInfo
- Publication number
- CN113929226A CN113929226A CN202111268973.XA CN202111268973A CN113929226A CN 113929226 A CN113929226 A CN 113929226A CN 202111268973 A CN202111268973 A CN 202111268973A CN 113929226 A CN113929226 A CN 113929226A
- Authority
- CN
- China
- Prior art keywords
- oxalic acid
- nanofiltration
- acid waste
- filter
- waste liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 title claims abstract description 328
- 235000006408 oxalic acid Nutrition 0.000 title claims abstract description 109
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 239000002699 waste material Substances 0.000 title claims abstract description 40
- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001728 nano-filtration Methods 0.000 claims abstract description 78
- 238000004064 recycling Methods 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000010936 titanium Substances 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 208000021302 gastroesophageal reflux disease Diseases 0.000 claims description 7
- 238000001223 reverse osmosis Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 20
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 3
- BBJSDUUHGVDNKL-UHFFFAOYSA-J oxalate;titanium(4+) Chemical compound [Ti+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O BBJSDUUHGVDNKL-UHFFFAOYSA-J 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- -1 titanium ions Chemical class 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111268973.XA CN113929226A (zh) | 2021-10-29 | 2021-10-29 | 一种草酸废液回收***及回收方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111268973.XA CN113929226A (zh) | 2021-10-29 | 2021-10-29 | 一种草酸废液回收***及回收方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113929226A true CN113929226A (zh) | 2022-01-14 |
Family
ID=79284732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111268973.XA Pending CN113929226A (zh) | 2021-10-29 | 2021-10-29 | 一种草酸废液回收***及回收方法 |
Country Status (1)
Country | Link |
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CN (1) | CN113929226A (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1524841A (zh) * | 2003-09-18 | 2004-09-01 | 周建华 | 从含草酸的废水中回收草酸钙的方法 |
JP2005034749A (ja) * | 2003-07-15 | 2005-02-10 | Jfe Engineering Kk | ろ過膜モジュールの酸洗浄廃液の処理方法および処理設備 |
JP2005325082A (ja) * | 2004-05-17 | 2005-11-24 | Nippon Rensui Co Ltd | 高純度シュウ酸水溶液の回収方法 |
CN102935298A (zh) * | 2012-11-28 | 2013-02-20 | 湖北益泰药业有限公司 | 一种草酸精制母液的回收方法 |
CN108774125A (zh) * | 2018-05-28 | 2018-11-09 | 苏州澄江环境科技有限公司 | 一种从古龙酸母液中回收原料的工艺 |
CN113045054A (zh) * | 2021-04-27 | 2021-06-29 | 西安泰瑞环保技术有限公司 | 一种高效式草酸钛废液中回收草酸的装置及其回收方法 |
-
2021
- 2021-10-29 CN CN202111268973.XA patent/CN113929226A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005034749A (ja) * | 2003-07-15 | 2005-02-10 | Jfe Engineering Kk | ろ過膜モジュールの酸洗浄廃液の処理方法および処理設備 |
CN1524841A (zh) * | 2003-09-18 | 2004-09-01 | 周建华 | 从含草酸的废水中回收草酸钙的方法 |
JP2005325082A (ja) * | 2004-05-17 | 2005-11-24 | Nippon Rensui Co Ltd | 高純度シュウ酸水溶液の回収方法 |
CN102935298A (zh) * | 2012-11-28 | 2013-02-20 | 湖北益泰药业有限公司 | 一种草酸精制母液的回收方法 |
CN108774125A (zh) * | 2018-05-28 | 2018-11-09 | 苏州澄江环境科技有限公司 | 一种从古龙酸母液中回收原料的工艺 |
CN113045054A (zh) * | 2021-04-27 | 2021-06-29 | 西安泰瑞环保技术有限公司 | 一种高效式草酸钛废液中回收草酸的装置及其回收方法 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 710299 No. 15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Applicant after: Xi'an Taijin Xinneng Technology Co.,Ltd. Applicant after: Xi'an Tairui Environmental Protection Technology Co.,Ltd. Address before: No.15, west section of Xijin Road, Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province 710201 Applicant before: XI'AN TAIJIN INDUSTRIAL ELECTROCHEMICAL TECHNOLOGY Co.,Ltd. Applicant before: Xi'an Tairui Environmental Protection Technology Co.,Ltd. |
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RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220114 |