CN103451449B - 硫酸锌溶液中氟氯离子活化萃取分离法 - Google Patents
硫酸锌溶液中氟氯离子活化萃取分离法 Download PDFInfo
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- CN103451449B CN103451449B CN201310386996.XA CN201310386996A CN103451449B CN 103451449 B CN103451449 B CN 103451449B CN 201310386996 A CN201310386996 A CN 201310386996A CN 103451449 B CN103451449 B CN 103451449B
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- fluorine
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- zinc sulfate
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- 238000000605 extraction Methods 0.000 title claims abstract description 122
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 title claims abstract description 59
- 229960001763 zinc sulfate Drugs 0.000 title claims abstract description 58
- 229910000368 zinc sulfate Inorganic materials 0.000 title claims abstract description 58
- 239000011737 fluorine Substances 0.000 title claims abstract description 56
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 56
- 230000004913 activation Effects 0.000 title claims abstract description 23
- 238000000926 separation method Methods 0.000 title claims abstract description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title abstract description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- 239000012074 organic phase Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 59
- 239000011701 zinc Substances 0.000 claims abstract description 59
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 49
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 47
- 239000000460 chlorine Substances 0.000 claims abstract description 32
- 238000005406 washing Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000009854 hydrometallurgy Methods 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 7
- 230000003213 activating effect Effects 0.000 claims abstract description 7
- 238000005352 clarification Methods 0.000 claims abstract description 7
- -1 fluorine ions Chemical class 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000006378 damage Effects 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 71
- 241000370738 Chlorion Species 0.000 claims description 28
- 238000004070 electrodeposition Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 150000002500 ions Chemical class 0.000 claims description 15
- HXELGNKCCDGMMN-UHFFFAOYSA-N [F].[Cl] Chemical compound [F].[Cl] HXELGNKCCDGMMN-UHFFFAOYSA-N 0.000 claims description 12
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000003518 caustics Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 8
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 150000004696 coordination complex Chemical class 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- 239000012190 activator Substances 0.000 claims description 2
- 239000012267 brine Substances 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 abstract description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 15
- 238000002425 crystallisation Methods 0.000 abstract description 9
- 230000008025 crystallization Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract 2
- 238000001179 sorption measurement Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 9
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 8
- 238000003723 Smelting Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000382 dechlorinating effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 2
- 230000007420 reactivation Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 150000000703 Cerium Chemical class 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- HCCPJSBNUHCLNX-UHFFFAOYSA-L S(=O)(=O)([O-])[O-].[Zn+2].[Cl+] Chemical compound S(=O)(=O)([O-])[O-].[Zn+2].[Cl+] HCCPJSBNUHCLNX-UHFFFAOYSA-L 0.000 description 1
- FMNJXQFKUYRRPZ-UHFFFAOYSA-L S(=O)(=O)([O-])[O-].[Zn+2].[F] Chemical compound S(=O)(=O)([O-])[O-].[Zn+2].[F] FMNJXQFKUYRRPZ-UHFFFAOYSA-L 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- ICGLOTCMOYCOTB-UHFFFAOYSA-N [Cl].[Zn] Chemical compound [Cl].[Zn] ICGLOTCMOYCOTB-UHFFFAOYSA-N 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006115 defluorination reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005363 electrowinning Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical group [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Manufacture And Refinement Of Metals (AREA)
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CN103866125B (zh) * | 2014-02-28 | 2015-11-18 | 红河锌联科技发展有限公司 | 锌灰物料碱洗萃取联合工艺脱除氟氯的方法 |
CN107794369A (zh) * | 2017-10-23 | 2018-03-13 | 中国科学院过程工程研究所 | 一种将溶液中卤素离子置换为非卤素离子的方法 |
CN109824195A (zh) * | 2019-03-04 | 2019-05-31 | 广东益诺欧环保股份有限公司 | 一种资源化高盐废水中氯离子的系统和方法 |
CN114774711B (zh) * | 2022-05-16 | 2024-07-05 | 安阳锦越新材料有限公司 | 一种从含锌、钴溶液中萃取锌且富集钴的方法 |
CN115404353A (zh) * | 2022-10-08 | 2022-11-29 | 云南金鼎锌业有限公司 | 一种锌湿法冶炼提升溶液有机物吸附效率的方法 |
CN116395779B (zh) * | 2023-06-07 | 2023-09-26 | 赛恩斯环保股份有限公司 | 一种从污酸硫化后液中抑镉萃氟的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101818262A (zh) * | 2009-12-23 | 2010-09-01 | 株洲冶炼集团股份有限公司 | 一种从硫酸锌溶液中脱除氯的方法 |
CN102517609A (zh) * | 2012-01-13 | 2012-06-27 | 株洲圣达资源循环科技有限公司 | 一种锌电解液脱氟氯的方法和设备 |
CN102732722A (zh) * | 2012-05-21 | 2012-10-17 | 贵州顶效开发区宏达金属综合回收有限公司 | 一种萃取脱除氟、氯的湿法炼锌方法 |
CN102851510A (zh) * | 2012-08-29 | 2013-01-02 | 江西自立资源再生有限公司 | 一种从含氯氟冶炼烟灰中除氯氟的方法 |
CN103060561A (zh) * | 2013-01-15 | 2013-04-24 | 云南祥云飞龙有色金属股份有限公司 | 一种从含氯硫酸锌溶液中脱除氯的方法 |
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JP5084272B2 (ja) * | 2007-01-11 | 2012-11-28 | 太平洋セメント株式会社 | 亜鉛を含む重金属類及び塩素を含有する物質の処理方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101818262A (zh) * | 2009-12-23 | 2010-09-01 | 株洲冶炼集团股份有限公司 | 一种从硫酸锌溶液中脱除氯的方法 |
CN102517609A (zh) * | 2012-01-13 | 2012-06-27 | 株洲圣达资源循环科技有限公司 | 一种锌电解液脱氟氯的方法和设备 |
CN102732722A (zh) * | 2012-05-21 | 2012-10-17 | 贵州顶效开发区宏达金属综合回收有限公司 | 一种萃取脱除氟、氯的湿法炼锌方法 |
CN102851510A (zh) * | 2012-08-29 | 2013-01-02 | 江西自立资源再生有限公司 | 一种从含氯氟冶炼烟灰中除氯氟的方法 |
CN103060561A (zh) * | 2013-01-15 | 2013-04-24 | 云南祥云飞龙有色金属股份有限公司 | 一种从含氯硫酸锌溶液中脱除氯的方法 |
Non-Patent Citations (4)
Title |
---|
李夏湘.硫酸锌溶液净化流程的选择与实践.《湖南有色金属》.2000,第16卷(第4期),第17-19页. |
湿法炼锌中氟氯去除方法的研究;苏莎等;《湖南有色金属》;20130228;第29卷(第1期);第40-43页 * |
硫酸锌溶液净化流程的选择与实践;李夏湘;《湖南有色金属》;20000731;第16卷(第4期);第17-19页 * |
苏莎等.湿法炼锌中氟氯去除方法的研究.《湖南有色金属》.2013,第29卷(第1期),第40-43页. |
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Denomination of invention: Activation extraction separation method for fluorine and chloride ions in zinc sulfate solution Effective date of registration: 20191014 Granted publication date: 20140702 Pledgee: Gejiu branch of Bank of China Ltd. Pledgor: GREENNOVO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2019530000005 |
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Date of cancellation: 20230421 Granted publication date: 20140702 Pledgee: Gejiu branch of Bank of China Ltd. Pledgor: GREENNOVO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2019530000005 |
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Denomination of invention: Activation extraction separation of fluoride and chloride ions in zinc sulfate solution Granted publication date: 20140702 Pledgee: CITIC Bank Limited by Share Ltd. Kunming branch Pledgor: GREENNOVO ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2024530000004 |