CN108654347B - 一种氟化物体系电解稀土废气回收利用的方法 - Google Patents
一种氟化物体系电解稀土废气回收利用的方法 Download PDFInfo
- Publication number
- CN108654347B CN108654347B CN201810343091.7A CN201810343091A CN108654347B CN 108654347 B CN108654347 B CN 108654347B CN 201810343091 A CN201810343091 A CN 201810343091A CN 108654347 B CN108654347 B CN 108654347B
- Authority
- CN
- China
- Prior art keywords
- lithium
- rare earth
- recycling
- fluoride
- fluorine
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 37
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 37
- 239000002912 waste gas Substances 0.000 title claims abstract description 33
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 14
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims abstract description 86
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 41
- 239000011737 fluorine Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 38
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 38
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 33
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 28
- HQRPHMAXFVUBJX-UHFFFAOYSA-M lithium;hydrogen carbonate Chemical compound [Li+].OC([O-])=O HQRPHMAXFVUBJX-UHFFFAOYSA-M 0.000 claims abstract description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 16
- 230000002745 absorbent Effects 0.000 claims abstract description 15
- 239000002250 absorbent Substances 0.000 claims abstract description 15
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 14
- -1 fluoride ions Chemical class 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 230000018044 dehydration Effects 0.000 claims abstract description 6
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 33
- 239000002244 precipitate Substances 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 208000005156 Dehydration Diseases 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 229910000032 lithium hydrogen carbonate Inorganic materials 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000011775 sodium fluoride Substances 0.000 description 7
- 235000013024 sodium fluoride Nutrition 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000006115 defluorination reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
检验项目 | 检验结果(%) |
LiF | 99.0 |
Na+K | 0.03 |
Fe | 0.008 |
SO<sub>4</sub><sup>2-</sup> | 0.01 |
H<sub>2</sub>O | 0.07 |
Ca | 0.050 |
Cl<sup>-</sup> | 0.01 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810343091.7A CN108654347B (zh) | 2018-04-17 | 2018-04-17 | 一种氟化物体系电解稀土废气回收利用的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810343091.7A CN108654347B (zh) | 2018-04-17 | 2018-04-17 | 一种氟化物体系电解稀土废气回收利用的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108654347A CN108654347A (zh) | 2018-10-16 |
CN108654347B true CN108654347B (zh) | 2021-03-16 |
Family
ID=63782211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810343091.7A Active CN108654347B (zh) | 2018-04-17 | 2018-04-17 | 一种氟化物体系电解稀土废气回收利用的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108654347B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109569236A (zh) * | 2018-11-30 | 2019-04-05 | 乐山有研稀土新材料有限公司 | 一种绿色环保熔盐电解稀土金属及合金的电解尾气吸收方法 |
CN110846691B (zh) * | 2019-10-09 | 2021-09-28 | 江西理工大学 | 一种资源化处置氟化体系稀土熔盐电解废气的方法 |
CN111589278B (zh) * | 2020-04-27 | 2022-03-22 | 湖南凯地众能科技有限公司 | 一种回收废旧锂离子电池水循环利用系统及其方法 |
CN111519020B (zh) * | 2020-05-08 | 2021-11-30 | 赣州有色冶金研究所有限公司 | 一种从稀土电解熔盐渣中回收有价元素的方法 |
CN111534701B (zh) * | 2020-06-03 | 2022-01-25 | 赣州有色冶金研究所有限公司 | 一种从稀土熔盐电解渣中高效回收有价元素的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009138403A1 (en) * | 2008-05-13 | 2009-11-19 | Solvay (Société Anonyme) | Process for the joint production of sodium carbonate and sodium bicarbonate |
CN101723413B (zh) * | 2009-11-20 | 2012-02-29 | 江西赣锋锂业股份有限公司 | 一种氟化锂的制备方法 |
CN101723414B (zh) * | 2009-12-11 | 2012-02-08 | 多氟多化工股份有限公司 | 一种电池级氟化锂的生产方法 |
RS59835B1 (sr) * | 2010-02-17 | 2020-02-28 | All American Lithium LLC | Postupak za dobijanje veoma čistog litijum karbonata i drugih jedinjenja koja sadrže veoma čist litijum |
CN102641660B (zh) * | 2012-05-09 | 2014-09-03 | 四川省川宏精细化工有限公司 | 氟金云母生产废气中氟的回收利用方法 |
CN204779866U (zh) * | 2015-06-24 | 2015-11-18 | 赣州三友稀土新材料有限公司 | 一种稀土电解烟气净化处理装置 |
CN104971609B (zh) * | 2015-07-22 | 2017-04-05 | 南京格洛特环境工程股份有限公司 | 一种氟化氢废气治理及资源化利用的方法及设备 |
CN204933227U (zh) * | 2015-07-22 | 2016-01-06 | 南京格洛特环境工程股份有限公司 | 一种氟化氢废气治理及资源化利用的设备 |
CN105107358B (zh) * | 2015-08-31 | 2017-08-11 | 赣州嘉通新材料有限公司 | 一种稀土金属冶炼尾气回收装置及方法 |
CN105603459B (zh) * | 2016-02-03 | 2018-05-11 | 中南大学 | 稀土电解烟气净化系统及方法 |
KR101773577B1 (ko) * | 2016-03-25 | 2017-09-01 | 한국화학연구원 | 폐냉매 분해가스로부터 불화물 회수방법 |
-
2018
- 2018-04-17 CN CN201810343091.7A patent/CN108654347B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN108654347A (zh) | 2018-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108654347B (zh) | 一种氟化物体系电解稀土废气回收利用的方法 | |
CN110127649B (zh) | 一种电解铝电解槽废旧阴极炭块的回收利用方法 | |
CN102247708B (zh) | 一种稀土矿粉与浓硫酸焙烧工艺尾气处理工艺 | |
CN109987639B (zh) | 一种铝强化赤泥脱碱并分离回收铝、铁的方法 | |
CN100443412C (zh) | 酸法焙烧稀土精矿工艺尾气和废水治理方法 | |
CN100480184C (zh) | 一种废弃锌锰电池的选择性挥发回收工艺 | |
CN107419096B (zh) | 一种废旧锂电池回收再生三元正极材料的制备方法 | |
WO2020024350A1 (zh) | 一种铜冶炼过程中回收硫磺的系统及方法 | |
CN102912117B (zh) | 一种硫酸稀土精矿回转窑焙烧装置的二次焙烧工艺 | |
CN115364643B (zh) | 一种利用冶金渣进行二氧化碳固定的分级处理方法 | |
CN109607612A (zh) | 一种废弃scr脱硝催化剂中钒、钨、钛资源回收的方法 | |
CN105858716A (zh) | 一种废旧铅蓄电池直接再生成铅粉的新方法 | |
CN204529994U (zh) | 铝电解废槽衬中废阴极炭块的处理装置 | |
CN113745685B (zh) | 一种废旧电池回收处置系统及其工艺 | |
CN114100318A (zh) | 一种废旧锂电池回收过程废气减量化无害化的处理方法 | |
WO2021190026A1 (zh) | 一种高温分离协同铵络捕集含锌固废中半挥发性重金属的系统 | |
CN103446867B (zh) | 一种捕集矿化铝电解烟气中的co2制备碳酸钙并回收co方法 | |
CN114421044A (zh) | 一种含Al、Cu杂质磷铁渣混合物的纯化处理方法及系统 | |
CN104862487B (zh) | 一种有色金属炼锌飞灰的资源高效转化方法 | |
CN112499589A (zh) | 一种酸再生水转酸模式酸雾烟囱冒红烟治理方法 | |
CN111994928A (zh) | 一种铝灰回收处理系统及其处理方法 | |
CN115401054B (zh) | 一种无害化处理电解锰渣的方法 | |
CN111544972A (zh) | 一种锂电池回收的废气净化和资源回收的方法及系统 | |
CN218155574U (zh) | 酸化焙烧烟气处理系统 | |
CN102688677B (zh) | 一种还原二价汞以提高冶金烟气总汞回收率的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Zhiyong Inventor after: Lin Huacheng Inventor after: Wang Zhiyuan Inventor after: Zhao Jiabin Inventor after: He Jinhui Inventor before: Liu Zhiyong Inventor before: Lin Huacheng Inventor before: Wang Zhiyuan Inventor before: Zhao Jiabin Inventor before: He Jinhui |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 272600 middle Yinghua Road, Maying Town, Liangshan County, Jining City, Shandong Province Patentee after: Shandong Nanxi Jinshi new material Co.,Ltd. Address before: 22611 No.7 Road, Datun Mining Area Energy Development Zone, Peixian County, Xuzhou City, Jiangsu Province Patentee before: JIANGSU JINSHI RARE EARTH CO.,LTD. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for recycling waste gas from electrolysis of rare earth in fluoride system Effective date of registration: 20220323 Granted publication date: 20210316 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Nanxi Jinshi new material Co.,Ltd. Registration number: Y2022980002950 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230217 Granted publication date: 20210316 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Nanxi Jinshi new material Co.,Ltd. Registration number: Y2022980002950 |