CH635556A5 - Verfahren zum zersetzen von phosgen. - Google Patents
Verfahren zum zersetzen von phosgen. Download PDFInfo
- Publication number
- CH635556A5 CH635556A5 CH804778A CH804778A CH635556A5 CH 635556 A5 CH635556 A5 CH 635556A5 CH 804778 A CH804778 A CH 804778A CH 804778 A CH804778 A CH 804778A CH 635556 A5 CH635556 A5 CH 635556A5
- Authority
- CH
- Switzerland
- Prior art keywords
- phosgene
- water
- volume
- gas
- concentration
- Prior art date
Links
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 title claims 32
- 238000000034 method Methods 0.000 title claims 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 10
- 239000007789 gas Substances 0.000 claims 8
- 238000000354 decomposition reaction Methods 0.000 claims 4
- 239000000126 substance Substances 0.000 claims 4
- 230000007062 hydrolysis Effects 0.000 claims 3
- 238000006460 hydrolysis reaction Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 3
- 239000002912 waste gas Substances 0.000 claims 3
- 238000005406 washing Methods 0.000 claims 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 239000012948 isocyanate Substances 0.000 claims 1
- 150000002513 isocyanates Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 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
-
- 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
- A62D3/37—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772734573 DE2734573A1 (de) | 1977-07-30 | 1977-07-30 | Verfahren zum zersetzen von phosgen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH635556A5 true CH635556A5 (de) | 1983-04-15 |
Family
ID=6015331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH804778A CH635556A5 (de) | 1977-07-30 | 1978-07-26 | Verfahren zum zersetzen von phosgen. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5426958A (nl) |
| BE (1) | BE869420A (nl) |
| CH (1) | CH635556A5 (nl) |
| DE (1) | DE2734573A1 (nl) |
| DK (1) | DK335778A (nl) |
| FR (1) | FR2398516A1 (nl) |
| GB (1) | GB2001615B (nl) |
| IT (1) | IT1097778B (nl) |
| LU (1) | LU80047A1 (nl) |
| NL (1) | NL7808023A (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4130427A1 (de) * | 1991-09-13 | 1993-03-18 | Basf Ag | Kontinuierliches verfahren zur reinigung eines abgases, bestehend aus co(pfeil abwaerts)2(pfeil abwaerts) + hcl + cocl(pfeil abwaerts)2(pfeil abwaerts) |
| CN105289247B (zh) * | 2015-10-20 | 2017-09-15 | 安徽广信农化股份有限公司 | 一种硬脂酰氯的光气回收方法 |
Family Cites Families (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 |
| DE2344217B2 (de) * | 1973-09-01 | 1977-10-20 | Verfahren zur beseitigung von phosgen und/oder anderen gasfoermigen chlorhaltigen schadstoffen in abgasen | |
| DE2531545C3 (de) * | 1975-07-15 | 1981-10-29 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Entfernung von Phosgen aus Abgasen |
-
1977
- 1977-07-30 DE DE19772734573 patent/DE2734573A1/de not_active Withdrawn
-
1978
- 1978-07-26 CH CH804778A patent/CH635556A5/de not_active IP Right Cessation
- 1978-07-27 LU LU80047A patent/LU80047A1/de unknown
- 1978-07-28 DK DK335778A patent/DK335778A/da unknown
- 1978-07-28 JP JP9165678A patent/JPS5426958A/ja active Pending
- 1978-07-28 GB GB787831562A patent/GB2001615B/en not_active Expired
- 1978-07-28 NL NL787808023A patent/NL7808023A/nl not_active Application Discontinuation
- 1978-07-28 IT IT26273/78A patent/IT1097778B/it active
- 1978-07-31 BE BE189629A patent/BE869420A/xx unknown
- 1978-07-31 FR FR7822575A patent/FR2398516A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE869420A (fr) | 1979-01-31 |
| JPS5426958A (en) | 1979-02-28 |
| FR2398516B1 (nl) | 1983-05-20 |
| LU80047A1 (de) | 1979-05-15 |
| NL7808023A (nl) | 1979-02-01 |
| IT1097778B (it) | 1985-08-31 |
| GB2001615B (en) | 1982-03-31 |
| FR2398516A1 (fr) | 1979-02-23 |
| DK335778A (da) | 1979-01-31 |
| DE2734573A1 (de) | 1979-02-08 |
| IT7826273A0 (it) | 1978-07-28 |
| GB2001615A (en) | 1979-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |