GB2001616A - Hydrolytic decomposition of phosgene - Google Patents

Hydrolytic decomposition of phosgene

Info

Publication number
GB2001616A
GB2001616A GB787831582A GB7831582A GB2001616A GB 2001616 A GB2001616 A GB 2001616A GB 787831582 A GB787831582 A GB 787831582A 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
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
GB787831582A
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.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of GB2001616A publication Critical patent/GB2001616A/en
Application granted granted Critical
Publication of GB2001616B publication Critical patent/GB2001616B/en
Expired legal-status Critical Current

Links

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)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

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.
GB787831582A 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
GB787831582A 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

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
JPS5426279A (en) 1979-02-27
DK335878A (en) 1979-01-31
DE2734453A1 (en) 1979-02-15
FR2398517A1 (en) 1979-02-23
LU80052A1 (en) 1979-05-15
BE869419A (en) 1979-01-31
CH635557A5 (en) 1983-04-15
IT7826272A0 (en) 1978-07-28
IT1097779B (en) 1985-08-31
GB2001616B (en) 1982-04-07
FR2398517B1 (en) 1983-05-20
NL7808022A (en) 1979-02-01

Similar Documents

Publication Publication Date Title
GB2000283B (en) Determination of the partial pressure and the concentration of a gas
JPS5318009A (en) Injectors and gaseous treatment of liquid by the same
IT1167464B (en) PLANT INTENDED TO MIX A GAS WITH A LIQUID AND VICEVERSA OR TO DEGASSIFY A LIQUID
ZA762296B (en) Ozonizer with absorption of zone
GB2003497A (en) Separation of water and cyclic hydrocarbons from gas mixtures
JPS53135383A (en) Apparatus by which to make gaseous sample from liquid sample and to send the sample to measuring cell or flame of atomic absorption spectrophotometer
JPS52107297A (en) Recovery of chlorine from chlorine containing gases
ZA774932B (en) Separation of gaseous mixtures
GB2001616A (en) Hydrolytic decomposition of phosgene
IT1090035B (en) PROCEDURE FOR THE RECOVERY OF PURE AMMONIA FROM GASEOUS MIXTURES CONTAINING AMMONIA AND CARBON DIOXIDE
JPS5247597A (en) Absorption of chlorine gas
ES451418A1 (en) Process for the removal of vinyl chloride from gas streams
GB1555445A (en) Selective absorption process of hydrogen sulphide and sulpselective absorption process of hydrogen sulphide and sulppounds from a gaseous mixture
SE396060B (en) WAY TO PRODUCE HIGH-ACTIVE SILICO DIOXIDE AND PURE FLUORVEAT FROM SILKE AND FLUOROUS GASES
GB2008970B (en) Separating gaseous or vaporous substances according to the separating nozzle principle
IT956783B (en) ELIMINATION OF THE HYDROGEN SULFUR RATE CONTAINED IN A GAS RICH IN CARBON DIOXIDE
IT1063626B (en) IMPROVEMENTS IN THE PROCESS FOR THE PRODUCTION OF GASEOUS MIXTURES CONTAINING HYDROGEN
IT1141062B (en) EQUIPMENT FOR THE RECOVERY OF GASEOUS CHLORINE DIOXIDE
GB1545354A (en) Purification of chlorine gas
GB2010901B (en) Gaseous atmospheres
JPS51119694A (en) Equipment for clearing of ozone in the gas including ozone
IL49348A0 (en) Apparatus adapted to carry out the absorption of gaseous substances which evolve heat with a liquid medium
IT1140294B (en) APPARATUS TO VERIFY THE POTENTIAL HAZARD OF A GASEOUS MIXTURE CONSTITUTED BY GAS AND / OR STEAMS
IL50812A (en) Process for the absorption of fluorine compounds present in gaseous mixtures
FR1371621A (en) Method and apparatus for preparing a gas with a controlled water content

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee