GB1549212A - Process for cooling melamine synthesis waste gases - Google Patents

Process for cooling melamine synthesis waste gases

Info

Publication number
GB1549212A
GB1549212A GB2382176A GB2382176A GB1549212A GB 1549212 A GB1549212 A GB 1549212A GB 2382176 A GB2382176 A GB 2382176A GB 2382176 A GB2382176 A GB 2382176A GB 1549212 A GB1549212 A GB 1549212A
Authority
GB
United Kingdom
Prior art keywords
waste gases
melamine synthesis
synthesis waste
cooling melamine
cooling
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.)
Expired
Application number
GB2382176A
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of GB1549212A publication Critical patent/GB1549212A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Catalysts (AREA)
GB2382176A 1975-06-10 1976-06-09 Process for cooling melamine synthesis waste gases Expired GB1549212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752525781 DE2525781C3 (en) 1975-06-10 1975-06-10 Process for separating melamine from the exhaust gases of melamine synthesis

Publications (1)

Publication Number Publication Date
GB1549212A true GB1549212A (en) 1979-08-01

Family

ID=5948716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2382176A Expired GB1549212A (en) 1975-06-10 1976-06-09 Process for cooling melamine synthesis waste gases

Country Status (7)

Country Link
JP (1) JPS5928550B2 (en)
BE (1) BE842727A (en)
DE (1) DE2525781C3 (en)
ES (1) ES448687A1 (en)
FR (1) FR2314182A1 (en)
GB (1) GB1549212A (en)
NL (1) NL184680C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452897A (en) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 Urea feeding device, urea feeding method, melamine production device and melamine production method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808200A1 (en) * 1988-03-11 1989-09-21 Wacker Chemie Gmbh AT ROOM TEMPERATURE TO COMPATIBLE TO PAINTABLE ELASTOMER CROSSLINKING ORGANOPOLYSILOXANES
FR2640987B1 (en) * 1988-12-22 1992-06-05 Rhone Poulenc Chimie
JPH0341176A (en) * 1989-07-10 1991-02-21 Bridgestone Corp Method for adhering tubular resin-rubber composite to mouthpiece
DE102009052506B4 (en) 2009-11-11 2015-08-20 Air Liquide Global E&C Solutions Germany Gmbh Gas scrubber with integrated heat exchanger

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429640A (en) * 1964-03-28 1966-02-25 Basf Ag Process for recovering urea from waste gases originating from the synthesis of melamine from urea, in the gas phase, and freed from melamine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452897A (en) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 Urea feeding device, urea feeding method, melamine production device and melamine production method

Also Published As

Publication number Publication date
FR2314182A1 (en) 1977-01-07
DE2525781B2 (en) 1979-10-31
FR2314182B1 (en) 1980-07-25
NL184680C (en) 1989-10-02
DE2525781A1 (en) 1976-12-16
ES448687A1 (en) 1977-07-01
JPS5928550B2 (en) 1984-07-13
NL7606169A (en) 1976-12-14
BE842727A (en) 1976-12-09
JPS5228463A (en) 1977-03-03
DE2525781C3 (en) 1980-07-17

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19960608