CN108689797B - 一种离子液体用于脱除氟代化合物中HCl的方法 - Google Patents
一种离子液体用于脱除氟代化合物中HCl的方法 Download PDFInfo
- Publication number
- CN108689797B CN108689797B CN201810561889.9A CN201810561889A CN108689797B CN 108689797 B CN108689797 B CN 108689797B CN 201810561889 A CN201810561889 A CN 201810561889A CN 108689797 B CN108689797 B CN 108689797B
- Authority
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- China
- Prior art keywords
- hcl
- ionic liquid
- gas
- flash tank
- tower
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- 239000002608 ionic liquid Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 26
- 150000001875 compounds Chemical class 0.000 title claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000004064 recycling Methods 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims description 15
- -1 fluoro compound Chemical class 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims 3
- 238000005406 washing Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 125000001153 fluoro group Chemical group F* 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 121
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 121
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 121
- 239000007789 gas Substances 0.000 description 48
- 238000011084 recovery Methods 0.000 description 38
- NJMWOUFKYKNWDW-UHFFFAOYSA-N 1-ethyl-3-methylimidazolium Chemical compound CCN1C=C[N+](C)=C1 NJMWOUFKYKNWDW-UHFFFAOYSA-N 0.000 description 37
- 239000002250 absorbent Substances 0.000 description 29
- 230000002745 absorbent Effects 0.000 description 28
- 239000000463 material Substances 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 8
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- RZSJYVBYLBNFGQ-UHFFFAOYSA-N difluoromethane hydrochloride Chemical compound FCF.Cl RZSJYVBYLBNFGQ-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810561889.9A CN108689797B (zh) | 2018-06-04 | 2018-06-04 | 一种离子液体用于脱除氟代化合物中HCl的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810561889.9A CN108689797B (zh) | 2018-06-04 | 2018-06-04 | 一种离子液体用于脱除氟代化合物中HCl的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108689797A CN108689797A (zh) | 2018-10-23 |
CN108689797B true CN108689797B (zh) | 2023-11-28 |
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Family Applications (1)
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CN201810561889.9A Active CN108689797B (zh) | 2018-06-04 | 2018-06-04 | 一种离子液体用于脱除氟代化合物中HCl的方法 |
Country Status (1)
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CN (1) | CN108689797B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101048340A (zh) * | 2004-10-27 | 2007-10-03 | 苏威氟有限公司 | 分离气体的方法 |
CN101479188A (zh) * | 2006-04-27 | 2009-07-08 | 苏威氟有限公司 | 分离含酸气体混合物的无水可逆方法 |
CN102019128A (zh) * | 2009-09-11 | 2011-04-20 | 中国科学院过程工程研究所 | 用离子液体吸收氯化氢的方法 |
CN107074541A (zh) * | 2014-10-16 | 2017-08-18 | 霍尼韦尔国际公司 | 使用离子液体从hf/卤代烃混合物中分离hf的方法 |
-
2018
- 2018-06-04 CN CN201810561889.9A patent/CN108689797B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101048340A (zh) * | 2004-10-27 | 2007-10-03 | 苏威氟有限公司 | 分离气体的方法 |
CN101479188A (zh) * | 2006-04-27 | 2009-07-08 | 苏威氟有限公司 | 分离含酸气体混合物的无水可逆方法 |
CN102019128A (zh) * | 2009-09-11 | 2011-04-20 | 中国科学院过程工程研究所 | 用离子液体吸收氯化氢的方法 |
CN107074541A (zh) * | 2014-10-16 | 2017-08-18 | 霍尼韦尔国际公司 | 使用离子液体从hf/卤代烃混合物中分离hf的方法 |
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Publication number | Publication date |
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CN108689797A (zh) | 2018-10-23 |
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CB03 | Change of inventor or designer information |
Inventor after: Lei Zhigang Inventor after: Yu Gangqiang Inventor after: Dai Cheng Na Inventor after: Xiao Hui Su Inventor after: Qin Minglei Inventor before: Lei Zhigang Inventor before: Yu Gangqiang Inventor before: Dai Cheng Na Inventor before: Xiao Hui Su |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20191209 Address after: No. 15, North Sanhuan East Road, Chaoyang District, Beijing Applicant after: BEIJING University OF CHEMICAL TECHNOLOGY Applicant after: ARKEMA FRANCE Address before: 100029 Beijing, North Third Ring Road, No. 15 East Road, Chaoyang District Applicant before: Beijing University of Chemical Technology |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200331 Address after: 215500 No.18 Haining Road, Jiangsu high tech fluorine chemical industry park, Suzhou, Jiangsu Province Applicant after: ARKEMA (CHANGSHU) FLUORINE CHEMICAL Co.,Ltd. Address before: No. 15, North Sanhuan East Road, Chaoyang District, Beijing Applicant before: BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY Applicant before: ARKEMA FRANCE |
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