GB2001616A – Hydrolytic decomposition of phosgene
– Google Patents
GB2001616A – Hydrolytic decomposition of phosgene
– Google Patents
Hydrolytic decomposition of phosgene
Info
Publication number
GB2001616A
GB2001616A
GB7831582A
GB7831582A
GB2001616A
GB 2001616 A
GB2001616 A
GB 2001616A
GB 7831582 A
GB7831582 A
GB 7831582A
GB 7831582 A
GB7831582 A
GB 7831582A
GB 2001616 A
GB2001616 A
GB 2001616A
Authority
GB
United Kingdom
Prior art keywords
phosgene
hydrolytic decomposition
column
water
hydrolytic
Prior art date
1977-07-30
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
Application number
GB7831582A
Other versions
GB2001616B
(en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date 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 date listed.)
1977-07-30
Filing date
1978-07-28
Publication date
1979-02-07
1978-07-28
Application filed by Hoechst AG
filed
Critical
Hoechst AG
1979-02-07
Publication of GB2001616A
publication
Critical
patent/GB2001616A/en
1982-04-07
Application granted
granted
Critical
1982-04-07
Publication of GB2001616B
publication
Critical
patent/GB2001616B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
Abstract
Gaseous phosgene is dispersed in water which is passed downwardly through a column at such a rate that the gas passes through the column in parallel to the water.
GB7831582A
1977-07-30
1978-07-28
Process for the decomposition of phosgene
Expired
GB2001616B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE19772734453
DE2734453A1
(en)
1977-07-30
1977-07-30
PROCESS FOR THE DECOMPOSITION OF PHOSGENE
Publications (2)
Publication Number
Publication Date
GB2001616A
true
GB2001616A
(en)
1979-02-07
GB2001616B
GB2001616B
(en)
1982-04-07
Family
ID=6015242
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7831582A
Expired
GB2001616B
(en)
1977-07-30
1978-07-28
Process for the decomposition of phosgene
Country Status (10)
Country
Link
JP
(1)
JPS5426279A
(en)
BE
(1)
BE869419A
(en)
CH
(1)
CH635557A5
(en)
DE
(1)
DE2734453A1
(en)
DK
(1)
DK335878A
(en)
FR
(1)
FR2398517A1
(en)
GB
(1)
GB2001616B
(en)
IT
(1)
IT1097779B
(en)
LU
(1)
LU80052A1
(en)
NL
(1)
NL7808022A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0019160A1
(en)
*
1979-05-16
1980-11-26
BASF Aktiengesellschaft
Process for the destruction of phosgene
CN111991998A
(en)
*
2020-08-27
2020-11-27
万华化学集团股份有限公司
Method for treating tail gas in isocyanate preparation process
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3011614A1
(en)
1980-03-26
1981-10-01
Hoechst Ag, 6000 Frankfurt
METHOD AND DEVICE FOR FUMERIZING LIQUIDS
DE3011615A1
(en)
*
1980-03-26
1981-10-01
Hoechst Ag, 6000 Frankfurt
METHOD AND DEVICE FOR ABSORPTION OF OZONE
Family Cites Families (4)
* Cited by examiner, † Cited by third party
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
(en)
*
1965-05-06
1967-04-28
Allied Chem
Process for washing out phosgene contained in gaseous products
DE2344217B2
(en)
*
1973-09-01
1977-10-20
PROCEDURE FOR THE ELIMINATION OF PHOSGENE AND / OR OTHER GASEOUS CHLORINE POLLUTANTS IN EXHAUST GASES
DE2531545C3
(en)
*
1975-07-15
1981-10-29
Basf Ag, 6700 Ludwigshafen
Process for removing phosgene from exhaust gases
1977
1977-07-30
DE
DE19772734453
patent/DE2734453A1/en
not_active
Withdrawn
1978
1978-07-26
CH
CH804878A
patent/CH635557A5/en
not_active
IP Right Cessation
1978-07-28
DK
DK335878A
patent/DK335878A/en
unknown
1978-07-28
JP
JP9165578A
patent/JPS5426279A/en
active
Pending
1978-07-28
NL
NL7808022A
patent/NL7808022A/en
not_active
Application Discontinuation
1978-07-28
GB
GB7831582A
patent/GB2001616B/en
not_active
Expired
1978-07-28
LU
LU80052A
patent/LU80052A1/en
unknown
1978-07-28
IT
IT2627278A
patent/IT1097779B/en
active
1978-07-31
FR
FR7822576A
patent/FR2398517A1/en
active
Granted
1978-07-31
BE
BE189628A
patent/BE869419A/en
unknown
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0019160A1
(en)
*
1979-05-16
1980-11-26
BASF Aktiengesellschaft
Process for the destruction of phosgene
CN111991998A
(en)
*
2020-08-27
2020-11-27
万华化学集团股份有限公司
Method for treating tail gas in isocyanate preparation process
Also Published As
Publication number
Publication date
BE869419A
(en)
1979-01-31
IT1097779B
(en)
1985-08-31
GB2001616B
(en)
1982-04-07
DK335878A
(en)
1979-01-31
FR2398517B1
(en)
1983-05-20
CH635557A5
(en)
1983-04-15
LU80052A1
(en)
1979-05-15
FR2398517A1
(en)
1979-02-23
NL7808022A
(en)
1979-02-01
IT7826272D0
(en)
1978-07-28
JPS5426279A
(en)
1979-02-27
DE2734453A1
(en)
1979-02-15
Similar Documents
Publication
Publication Date
Title
GB2005004B
(en)
1982-01-20
Abatement in burning of gaseous or liquid fuels
GB2000283B
(en)
1982-01-27
Determination of the partial pressure and the concentration of a gas
GB1552212A
(en)
1979-09-12
Process and device for the determination of the ozone content of ozone-containing gas mixtures
ZA762296B
(en)
1977-04-27
Ozonizer with absorption of zone
GB2003497A
(en)
1979-03-14
Separation of water and cyclic hydrocarbons from gas mixtures
ES8205209A1
(en)
1982-06-01
Isoxazolylbenzamides.
JPS52107297A
(en)
1977-09-08
Recovery of chlorine from chlorine containing gases
ZA774932B
(en)
1978-06-28
Separation of gaseous mixtures
GB2001616A
(en)
1979-02-07
Hydrolytic decomposition of phosgene
IT1090035B
(en)
1985-06-18
PROCEDURE FOR THE RECOVERY OF PURE AMMONIA FROM GASEOUS MIXTURES CONTAINING AMMONIA AND CARBON DIOXIDE
JPS5247597A
(en)
1977-04-15
Absorption of chlorine gas
ZA765008B
(en)
1977-07-27
Annular venturi gas scrubber
ES451418A1
(en)
1977-10-01
Process for the removal of vinyl chloride from gas streams
GB1124449A
(en)
1968-08-21
Method for monochlorinating paraffins
ZA757256B
(en)
1976-10-27
Process of absorbing gaseous constituents from gases
GB1555445A
(en)
1979-11-07
Selective absorption process of hydrogen sulphide and sulpselective absorption process of hydrogen sulphide and sulppounds from a gaseous mixture
YU40228B
(en)
1985-08-31
Device for the enrichment of water by carbon dioxide
GB2008970B
(en)
1982-09-02
Separating gaseous or vaporous substances according to the separating nozzle principle
IT1063626B
(en)
1985-02-11
IMPROVEMENTS IN THE PROCESS FOR THE PRODUCTION OF GASEOUS MIXTURES CONTAINING HYDROGEN
GB1545354A
(en)
1979-05-10
Purification of chlorine gas
ZA767061B
(en)
1978-01-25
Method of reducing the nitrous vapour content of nitrous gaseous effluents
DE3167647D1
(en)
1985-01-17
Separation of hydrogen chloride from gaseous mixtures
IT8125262D0
(en)
1981-11-24
APPARATUS TO VERIFY THE POTENTIAL HAZARD OF A GASEOUS MIXTURE CONSTITUTED BY GAS AND / OR VAPORS.
NZ182509A
(en)
1978-12-18
Absorbing fluorine compounds from gaseous mixtures
GB2010901B
(en)
1982-07-14
Gaseous atmospheres
Legal Events
Date
Code
Title
Description
1984-03-21
PCNP
Patent ceased through non-payment of renewal fee
