CN101462942B - 利用酸洗废液生产高纯电池级草酸亚铁的方法 - Google Patents
利用酸洗废液生产高纯电池级草酸亚铁的方法 Download PDFInfo
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- CN101462942B CN101462942B CN2008102419029A CN200810241902A CN101462942B CN 101462942 B CN101462942 B CN 101462942B CN 2008102419029 A CN2008102419029 A CN 2008102419029A CN 200810241902 A CN200810241902 A CN 200810241902A CN 101462942 B CN101462942 B CN 101462942B
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- solution
- iron oxalate
- ferrox
- pickle liquor
- reaction
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- 235000021110 pickles Nutrition 0.000 title claims abstract description 24
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000000243 solution Substances 0.000 claims abstract description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 13
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims abstract description 11
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 52
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 claims description 42
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 41
- 239000012266 salt solution Substances 0.000 claims description 35
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 14
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 230000003381 solubilizing effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 108010010803 Gelatin Proteins 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000010413 mother solution Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 6
- 235000003891 ferrous sulphate Nutrition 0.000 description 5
- 239000011790 ferrous sulphate Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- AJGPQPPJQDDCDA-UHFFFAOYSA-N azanium;hydron;oxalate Chemical compound N.OC(=O)C(O)=O AJGPQPPJQDDCDA-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000001038 titanium pigment Substances 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Compounds Of Iron (AREA)
Abstract
Description
实施例 (1) | 实施例 (2) | 实施例 (3) | 实施例 (4) | 实施例 (5) | 实施例 (6) | |
亚铁盐铁离子浓度 mg/l | 180 | 200 | 220 | 240 | 260 | 280 |
加氨反应生成Fe(OH)2 凝胶PH值 | 6.8 | 6.9 | 7 | 6.8 | 6.9 | 7 |
加入草酸反应产品PH值 | 3.2 | 3.3 | 3.4 | 3.5 | 3.3 | 3.5 |
保温温度及时间℃/h | 82/1 | 83/1 | 84/1 | 85/1 | 86/1 | 87/1 |
Claims (4)
Priority Applications (1)
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CN2008102419029A CN101462942B (zh) | 2008-12-29 | 2008-12-29 | 利用酸洗废液生产高纯电池级草酸亚铁的方法 |
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CN2008102419029A CN101462942B (zh) | 2008-12-29 | 2008-12-29 | 利用酸洗废液生产高纯电池级草酸亚铁的方法 |
Publications (2)
Publication Number | Publication Date |
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CN101462942A CN101462942A (zh) | 2009-06-24 |
CN101462942B true CN101462942B (zh) | 2012-04-18 |
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CN2008102419029A Active CN101462942B (zh) | 2008-12-29 | 2008-12-29 | 利用酸洗废液生产高纯电池级草酸亚铁的方法 |
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CN (1) | CN101462942B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL200860A (en) * | 2009-09-10 | 2015-07-30 | Green Future Ltd | Galvanic wastewater treatment and the production of iron oxide sized nanoparticles |
CN102225890B (zh) * | 2011-04-30 | 2013-11-20 | 湖北浩元材料科技有限公司 | 一种用于磷酸铁锂材料生产的电池级草酸亚铁制造方法 |
CN102557916B (zh) * | 2011-12-02 | 2014-11-05 | 江西赣锋锂业股份有限公司 | 一种磷酸铁锂专用电池级草酸亚铁的制备方法 |
CN105732359B (zh) * | 2016-04-18 | 2017-11-28 | 昆明理工大学 | 一种利用钢铁酸洗废液制备电池级草酸亚铁的方法 |
CN105801400B (zh) * | 2016-04-18 | 2018-01-19 | 昆明理工大学 | 一种利用冷轧钢盐酸酸洗废液制备特定晶体的草酸亚铁的方法 |
CN106145038A (zh) * | 2016-08-25 | 2016-11-23 | 天津市润杰创新环保科技股份公司 | 利用废酸制备再生酸的方法及其装备 |
CN115784873A (zh) * | 2022-12-07 | 2023-03-14 | 深圳市环保科技集团股份有限公司 | 一种利用不锈钢酸洗废液制备草酸亚铁的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101209961A (zh) * | 2006-12-30 | 2008-07-02 | 比亚迪股份有限公司 | 一种草酸亚铁水合盐晶体的制备方法 |
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- 2008-12-29 CN CN2008102419029A patent/CN101462942B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101209961A (zh) * | 2006-12-30 | 2008-07-02 | 比亚迪股份有限公司 | 一种草酸亚铁水合盐晶体的制备方法 |
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Address after: 442003 Shiyan City, Hubei province Zhangwan District Huaguo Road No. 111 Patentee after: Hubei Wanrun New Energy Technology Co., Ltd Address before: 442003 Shiyan City, Hubei province Zhangwan District Huaguo Road No. 111 Patentee before: HUBEI WANRUN NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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