JPH09501866A - ガス混合物から塩素を分離する方法 - Google Patents
ガス混合物から塩素を分離する方法Info
- Publication number
- JPH09501866A JPH09501866A JP7502770A JP50277095A JPH09501866A JP H09501866 A JPH09501866 A JP H09501866A JP 7502770 A JP7502770 A JP 7502770A JP 50277095 A JP50277095 A JP 50277095A JP H09501866 A JPH09501866 A JP H09501866A
- Authority
- JP
- Japan
- Prior art keywords
- chlorine
- liquid
- compound
- mixture
- gas mixture
- 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.)
- Granted
Links
Classifications
-
- 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
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0743—Purification ; Separation of gaseous or dissolved chlorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic 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)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ガス混合物から塩素を除去する方法であって、 (a) ガス混合物を、一般式: (式中、nは1〜3である)を有する化合物を含む液体と接触させることに よって前記ガス混合物中の塩素を該液体に吸収させる工程;及び (b) 前記液体を加熱して、それらから塩素を気化させ、該液体から塩素を分離 する工程; を含むことを特徴とする方法。 2.前記化合物が、パラクロロベンゾトリフルオリドである請求項1に記載の方 法。 3.前記化合物が、3,4-ジクロロベンゾトリフルオリドである請求項1に記載の 方法。 4.前記化合物が、3,4,5-トリクロロベンゾトリフルオリドである請求項1に記 載の方法。 5.前記化合物が、約20〜約30重量%のクロロホルムと約70〜約80重量%の3,4- ジクロロベンゾトリフルオリドとの混合物である請求項1に記載の方法。 6.加熱が、前記液体の沸点でのものである請求項1に記載の方法。 7.前記ガス混合物が、約1〜約45重量%の塩素を含む請求項1に記載の方法。 8.前記液体の量が、全ての塩素が該液体により吸収された場合に、吸収塩素が 飽和の約20〜約75重量%となるのに十分なものである請求項1に記載の方法。 9.約1〜約45重量%の塩素を含むガス混合物から塩素を除去する方法であって 、 (a) 前記ガス混合物を不活性材料のカラムを通して上方へ通過させる工程; (b) 一般式: (式中、nは、1〜3である)を有する化合物を含む液体を、前記カラムを 通して下方へ通過させることによって、前記混合物中の塩素を該混合物の液体に 吸収させる工程; (c) 前記液体をその沸点に加熱して、それから塩素を気化させる工程;及び (d) 前記液体を、前記カラムにリサイクルする工程; を含むことを特徴とする方法。 10.前記化合物がパラクロロベンゾトリフルオリドである請求項9に記載の方法 。 11.前記化合物が、3,4-ジクロロベンゾトリフルオリドである請求項9に記載の 方法。 12.前記化合物が、3,4,5-トリクロロベンゾトリフルオリドである請求項9に記 載の方法。 13.前記化合物が、約20〜約30重量%のクロロホルムと約70〜約80重量%の3,4- ジクロロベンゾトリフルオリドとの混合物である請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/078,908 US5308383A (en) | 1993-06-21 | 1993-06-21 | Method for separating chlorine from a mixture of gases |
US08/078,908 | 1993-06-21 | ||
PCT/US1994/001927 WO1995000438A1 (en) | 1993-06-21 | 1994-02-14 | Method for separating chlorine from a mixture of gases |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09501866A true JPH09501866A (ja) | 1997-02-25 |
JP3535517B2 JP3535517B2 (ja) | 2004-06-07 |
Family
ID=22146941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50277095A Expired - Lifetime JP3535517B2 (ja) | 1993-06-21 | 1994-02-14 | ガス混合物から塩素を分離する方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5308383A (ja) |
EP (1) | EP0705218B1 (ja) |
JP (1) | JP3535517B2 (ja) |
AT (1) | ATE152429T1 (ja) |
CA (1) | CA2151139C (ja) |
DE (1) | DE69402979T2 (ja) |
TW (1) | TW296986B (ja) |
WO (1) | WO1995000438A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009525257A (ja) * | 2006-02-03 | 2009-07-09 | ジーアールティー,インコーポレイティド | ハロゲンからの軽質ガスの分離 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5308383A (en) * | 1993-06-21 | 1994-05-03 | Occidental Chemical Corporation | Method for separating chlorine from a mixture of gases |
US5437711A (en) * | 1993-12-16 | 1995-08-01 | Occidental Chemical Corporation | Method of purifying chlorine-containing gases |
DE19536976A1 (de) * | 1995-10-04 | 1997-04-10 | Basf Ag | Verfahren zur selektiven Abtrennung und Wiedergewinnung von Chlor aus Gasgemischen |
US6063162A (en) * | 1998-12-22 | 2000-05-16 | Occidental Chemical Corporation | Method of separating chlorine from a mixture of gases |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA738797A (en) * | 1966-07-19 | N.V. Koninklijke Nederlandsche Zoutindustrie | Method of absorbing chlorine from gas mixtures | |
DE82437C (ja) * | ||||
US2282712A (en) * | 1940-04-30 | 1942-05-12 | Shell Dev | Recovery of hydrogen halides |
US2393229A (en) * | 1942-07-27 | 1946-01-22 | Hercules Powder Co Ltd | Absorption of chlorine |
US2656011A (en) * | 1948-04-07 | 1953-10-20 | Schweizerhall Saeurefab | Separation of chlorine by absorption |
US2765873A (en) * | 1948-10-12 | 1956-10-09 | Diamond Alkali Co | Method of purifying chlorine |
US2540905A (en) * | 1949-07-27 | 1951-02-06 | Pittsburgh Plate Glass Co | Recovery of chlorine |
GB764401A (en) * | 1955-01-05 | 1956-12-28 | Diamond Alkali Co | Improvements in or relating to methods of purifying chlorine |
GB866002A (en) * | 1956-05-18 | 1961-04-26 | Laporte Titanium Ltd | Process for treating the residual gases in the manufacture of titanium tetrachloride |
US3488923A (en) * | 1968-02-08 | 1970-01-13 | Phillips Petroleum Co | Solvent extraction of hydrogen halides |
US3762133A (en) * | 1971-10-15 | 1973-10-02 | Atomic Energy Commission | Process for the separation of components from gas mixtures |
US4255167A (en) * | 1978-11-17 | 1981-03-10 | Ciba-Geigy Corporation | Process for purifying cyanogen chloride gas |
JPS62216902A (ja) * | 1986-03-17 | 1987-09-24 | Furukawa Electric Co Ltd:The | 乾燥塩素ガスの製造方法 |
US5308383A (en) * | 1993-06-21 | 1994-05-03 | Occidental Chemical Corporation | Method for separating chlorine from a mixture of gases |
-
1993
- 1993-06-21 US US08/078,908 patent/US5308383A/en not_active Expired - Fee Related
-
1994
- 1994-02-14 EP EP94916497A patent/EP0705218B1/en not_active Expired - Lifetime
- 1994-02-14 CA CA002151139A patent/CA2151139C/en not_active Expired - Fee Related
- 1994-02-14 JP JP50277095A patent/JP3535517B2/ja not_active Expired - Lifetime
- 1994-02-14 AT AT94916497T patent/ATE152429T1/de not_active IP Right Cessation
- 1994-02-14 DE DE69402979T patent/DE69402979T2/de not_active Expired - Lifetime
- 1994-02-14 WO PCT/US1994/001927 patent/WO1995000438A1/en active IP Right Grant
- 1994-03-14 TW TW083102189A patent/TW296986B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009525257A (ja) * | 2006-02-03 | 2009-07-09 | ジーアールティー,インコーポレイティド | ハロゲンからの軽質ガスの分離 |
Also Published As
Publication number | Publication date |
---|---|
EP0705218B1 (en) | 1997-05-02 |
CA2151139A1 (en) | 1995-01-05 |
JP3535517B2 (ja) | 2004-06-07 |
ATE152429T1 (de) | 1997-05-15 |
TW296986B (ja) | 1997-02-01 |
CA2151139C (en) | 2004-06-29 |
WO1995000438A1 (en) | 1995-01-05 |
EP0705218A1 (en) | 1996-04-10 |
DE69402979D1 (de) | 1997-06-05 |
US5308383A (en) | 1994-05-03 |
DE69402979T2 (de) | 1997-11-20 |
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