FR2398517A1 - Procede de decomposition du phosgene - Google Patents
Procede de decomposition du phosgeneInfo
- Publication number
- FR2398517A1 FR2398517A1 FR7822576A FR7822576A FR2398517A1 FR 2398517 A1 FR2398517 A1 FR 2398517A1 FR 7822576 A FR7822576 A FR 7822576A FR 7822576 A FR7822576 A FR 7822576A FR 2398517 A1 FR2398517 A1 FR 2398517A1
- Authority
- FR
- France
- Prior art keywords
- phosgene
- reactor
- gas
- decomposition process
- water
- 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
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000000354 decomposition reaction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/35—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by hydrolysis
-
- 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
- B01D53/70—Organic halogen compounds
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/45—Inorganic substances containing nitrogen or phosphorus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
- B01J2219/00166—Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Business, Economics & Management (AREA)
- Toxicology (AREA)
- Emergency Management (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Removal Of Specific Substances (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772734453 DE2734453A1 (de) | 1977-07-30 | 1977-07-30 | Verfahren zum zersetzen von phosgen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2398517A1 true FR2398517A1 (fr) | 1979-02-23 |
FR2398517B1 FR2398517B1 (da) | 1983-05-20 |
Family
ID=6015242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7822576A Granted FR2398517A1 (fr) | 1977-07-30 | 1978-07-31 | Procede de decomposition du phosgene |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5426279A (da) |
BE (1) | BE869419A (da) |
CH (1) | CH635557A5 (da) |
DE (1) | DE2734453A1 (da) |
DK (1) | DK335878A (da) |
FR (1) | FR2398517A1 (da) |
GB (1) | GB2001616B (da) |
IT (1) | IT1097779B (da) |
LU (1) | LU80052A1 (da) |
NL (1) | NL7808022A (da) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2919661A1 (de) * | 1979-05-16 | 1980-11-27 | Basf Ag | Verfahren zur vernichtung von phosgen |
DE3011614A1 (de) | 1980-03-26 | 1981-10-01 | Hoechst Ag, 6000 Frankfurt | Verfahren und vorrichtung zur begasung von fluessigkeiten |
DE3011615A1 (de) | 1980-03-26 | 1981-10-01 | Hoechst Ag, 6000 Frankfurt | Verfahren und vorrichtung zur absorption von ozon |
CN111991998A (zh) * | 2020-08-27 | 2020-11-27 | 万华化学集团股份有限公司 | 一种异氰酸酯制备过程中尾气的处理方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752460A (en) * | 1953-01-20 | 1956-07-11 | Bayer Ag | Process for the decomposition of phosgene |
FR1478891A (fr) * | 1965-05-06 | 1967-04-28 | Allied Chem | Procédé pour éliminer par lavage le phosgène contenu dans des produits gazeux |
DE2344217A1 (de) * | 1973-09-01 | 1975-03-27 | Basf Ag | Verfahren zur beseitigung von phosgen und/oder anderen gasfoermigen chlorhaltigen schadstoffen in abgasen |
FR2317959A1 (fr) * | 1975-07-15 | 1977-02-11 | Basf Ag | Procede d'elimination du phosgene des gaz residuaires |
-
1977
- 1977-07-30 DE DE19772734453 patent/DE2734453A1/de not_active Withdrawn
-
1978
- 1978-07-26 CH CH804878A patent/CH635557A5/de not_active IP Right Cessation
- 1978-07-28 JP JP9165578A patent/JPS5426279A/ja active Pending
- 1978-07-28 DK DK335878A patent/DK335878A/da unknown
- 1978-07-28 IT IT26272/78A patent/IT1097779B/it active
- 1978-07-28 GB GB787831582A patent/GB2001616B/en not_active Expired
- 1978-07-28 LU LU80052A patent/LU80052A1/de unknown
- 1978-07-28 NL NL787808022A patent/NL7808022A/xx not_active Application Discontinuation
- 1978-07-31 BE BE189628A patent/BE869419A/xx unknown
- 1978-07-31 FR FR7822576A patent/FR2398517A1/fr active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752460A (en) * | 1953-01-20 | 1956-07-11 | Bayer Ag | Process for the decomposition of phosgene |
FR1478891A (fr) * | 1965-05-06 | 1967-04-28 | Allied Chem | Procédé pour éliminer par lavage le phosgène contenu dans des produits gazeux |
DE2344217A1 (de) * | 1973-09-01 | 1975-03-27 | Basf Ag | Verfahren zur beseitigung von phosgen und/oder anderen gasfoermigen chlorhaltigen schadstoffen in abgasen |
FR2317959A1 (fr) * | 1975-07-15 | 1977-02-11 | Basf Ag | Procede d'elimination du phosgene des gaz residuaires |
Also Published As
Publication number | Publication date |
---|---|
IT7826272A0 (it) | 1978-07-28 |
CH635557A5 (de) | 1983-04-15 |
BE869419A (fr) | 1979-01-31 |
DK335878A (da) | 1979-01-31 |
LU80052A1 (de) | 1979-05-15 |
DE2734453A1 (de) | 1979-02-15 |
IT1097779B (it) | 1985-08-31 |
JPS5426279A (en) | 1979-02-27 |
GB2001616A (en) | 1979-02-07 |
FR2398517B1 (da) | 1983-05-20 |
NL7808022A (nl) | 1979-02-01 |
GB2001616B (en) | 1982-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |