JPH0148250B2 - - Google Patents
Info
- Publication number
- JPH0148250B2 JPH0148250B2 JP56057248A JP5724881A JPH0148250B2 JP H0148250 B2 JPH0148250 B2 JP H0148250B2 JP 56057248 A JP56057248 A JP 56057248A JP 5724881 A JP5724881 A JP 5724881A JP H0148250 B2 JPH0148250 B2 JP H0148250B2
- Authority
- JP
- Japan
- Prior art keywords
- tetrafluoroethylene
- absorbent
- difluoromonochloromethane
- integer
- during
- 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.)
- Expired
Links
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 67
- 239000002250 absorbent Substances 0.000 claims description 46
- 230000002745 absorbent Effects 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 29
- 238000000197 pyrolysis Methods 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000004508 fractional distillation Methods 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 10
- BKWAVXQSZLEURV-UHFFFAOYSA-N 2-chloro-1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)C(Cl)C(F)(F)F BKWAVXQSZLEURV-UHFFFAOYSA-N 0.000 claims description 8
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 239000000047 product Substances 0.000 description 20
- 238000009835 boiling Methods 0.000 description 15
- 229910002091 carbon monoxide Inorganic materials 0.000 description 11
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 230000002000 scavenging effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010626 work up procedure Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000004341 Octafluorocyclobutane Substances 0.000 description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 description 4
- 235000019407 octafluorocyclobutane Nutrition 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002594 sorbent Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- WFLOTYSKFUPZQB-UHFFFAOYSA-N 1,2-difluoroethene Chemical group FC=CF WFLOTYSKFUPZQB-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 description 1
- KJGXPVLCSICDQG-UHFFFAOYSA-N 2-chloro-1,1,1,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)(Cl)C(F)(F)F KJGXPVLCSICDQG-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical class OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- WMIYKQLTONQJES-UHFFFAOYSA-N hexafluoroethane Chemical compound FC(F)(F)C(F)(F)F WMIYKQLTONQJES-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- -1 monounsaturated acyclic fluorinated carbon compounds Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005406 washing Methods 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
-
- 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
- B01D53/14—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 by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803015092 DE3015092A1 (de) | 1980-04-19 | 1980-04-19 | Verfahren zur abtrennung von tetrafluorethylen aus gasgemischen, die insbesondere stickstoff oder kohlenmonoxid enthalten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56166128A JPS56166128A (en) | 1981-12-21 |
| JPH0148250B2 true JPH0148250B2 (enExample) | 1989-10-18 |
Family
ID=6100442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5724881A Granted JPS56166128A (en) | 1980-04-19 | 1981-04-17 | Separation of tetrafluoroethylene from gas mixture containing nitrogen or carbon monoxide especially as well as tetrafluoroethylene |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0038970B1 (enExample) |
| JP (1) | JPS56166128A (enExample) |
| DE (2) | DE3015092A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729106A1 (de) * | 1987-09-01 | 1989-03-09 | Hoechst Ag | Verfahren zur gewinnung von reinem tetrafluorethylen |
| US5049241A (en) * | 1990-03-27 | 1991-09-17 | E. I. Du Pont De Nemours And Company | Extractive distillation |
| US6849163B2 (en) * | 2000-02-29 | 2005-02-01 | Daikin Industries, Ltd. | Method for producing tetrafluoroethylene |
| GB0103718D0 (en) * | 2001-02-14 | 2001-04-04 | Ineos Fluor Ltd | Recovery of fluorine containing compounds |
| JP4846293B2 (ja) * | 2005-07-28 | 2011-12-28 | 昭和電工株式会社 | ペンタフルオロエタンの回収方法および該方法を含むペンタフルオロエタンの製造方法 |
| CN106146246A (zh) * | 2011-02-04 | 2016-11-23 | 旭硝子株式会社 | 2,3,3,3‑四氟丙烯的纯化方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042634A (en) * | 1976-03-15 | 1977-08-16 | E. I. Du Pont De Nemours And Company | Fluorocarbon separation process |
-
1980
- 1980-04-19 DE DE19803015092 patent/DE3015092A1/de not_active Withdrawn
-
1981
- 1981-04-09 DE DE8181102686T patent/DE3160150D1/de not_active Expired
- 1981-04-09 EP EP81102686A patent/EP0038970B1/de not_active Expired
- 1981-04-17 JP JP5724881A patent/JPS56166128A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56166128A (en) | 1981-12-21 |
| EP0038970A1 (de) | 1981-11-04 |
| DE3015092A1 (de) | 1981-10-22 |
| EP0038970B1 (de) | 1983-04-06 |
| DE3160150D1 (en) | 1983-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20090107931A (ko) | 2-클로로-3,3,3-트리플루오로프로펜(ＨＣＦＣ-1233ｘｆ), 2-클로로-1,1,1,2-테트라플루오로프로판(ＨＣＦＣ-244ｂｂ), 및 하이드로겐 플루오라이드(ＨＦ)의 공비 조성물 | |
| JP7014709B2 (ja) | 含フッ素オレフィンの製造方法 | |
| HK1001476A1 (en) | Purification of hexafluoroethane products | |
| HK1001476B (en) | Purification of hexafluoroethane products | |
| US5516946A (en) | Producing CF3 CH2 CF3 and/or CF3 CH=CF2 by the conversion of fluorinated ethers | |
| US5129997A (en) | Process for the recovery of mixtures of chlorotetrafluoroethane and octafluorocyclobutane | |
| JPH0148250B2 (enExample) | ||
| JP2542394B2 (ja) | ヘキサフロロプロピレンの精製方法 | |
| JPH06184015A (ja) | １、１、１、２−テトラフルオロエタンの精製方法 | |
| US8692038B2 (en) | Fluorine-containing compound purification method | |
| US5514251A (en) | Process for the removal of water from a solution by azeotropic distillation and process for the production of a hydrofluoroalkane | |
| US4137055A (en) | Process for separating tetrafluoroethylene from nitrogen and carbon monoxide | |
| US2670810A (en) | Acetylene recovery | |
| KR100353668B1 (ko) | 펜타플루오로에탄의정제방법 | |
| US3236030A (en) | Process for preferentially absorbing and recovering a fluorinated hydrocarbon | |
| JPH05505600A (ja) | 抽出蒸留 | |
| JP2667542B2 (ja) | テトラフルオロエチレンの精製方法 | |
| US3222406A (en) | Production of fluorocarbons by catalytic pyrolysis of fluoroform | |
| EP0744210A1 (en) | Purification of gas streams | |
| US5648569A (en) | Purifaction of pentafluoroethanes | |
| RU2076853C1 (ru) | Способ выделения тетрафторэтилена из продуктов пиролиза дифторхлорметана | |
| EP0669302A1 (fr) | Procédé de purification du pentafluoroéthane | |
| JPH04224534A (ja) | ｍ−およびｐ−ジクロロベンゼンの分離方法 | |
| US5954861A (en) | Process for recovery of methyl chloride | |
| US9975825B1 (en) | Process for the purification of pentafluoroethane |