FR2314182A1 - Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine - Google Patents

Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine

Info

Publication number
FR2314182A1
FR2314182A1 FR7617342A FR7617342A FR2314182A1 FR 2314182 A1 FR2314182 A1 FR 2314182A1 FR 7617342 A FR7617342 A FR 7617342A FR 7617342 A FR7617342 A FR 7617342A FR 2314182 A1 FR2314182 A1 FR 2314182A1
Authority
FR
France
Prior art keywords
cooling
reaction gases
residual reaction
melamine synthesis
melamine
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
FR7617342A
Other languages
English (en)
French (fr)
Other versions
FR2314182B1 (es
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 FR2314182A1 publication Critical patent/FR2314182A1/fr
Application granted granted Critical
Publication of FR2314182B1 publication Critical patent/FR2314182B1/fr
Granted 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)
FR7617342A 1975-06-10 1976-06-09 Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine Granted FR2314182A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752525781 DE2525781C3 (de) 1975-06-10 1975-06-10 Verfahren zum Abscheiden von Melamin aus den Abgasen der Melaminsynthese

Publications (2)

Publication Number Publication Date
FR2314182A1 true FR2314182A1 (fr) 1977-01-07
FR2314182B1 FR2314182B1 (es) 1980-07-25

Family

ID=5948716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617342A Granted FR2314182A1 (fr) 1975-06-10 1976-06-09 Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808200A1 (de) * 1988-03-11 1989-09-21 Wacker Chemie Gmbh Bei raumtemperatur zu anstrichvertraeglichen bis ueberstreichbaren elastomeren vernetzende organopolysiloxanmassen
FR2640987B1 (es) * 1988-12-22 1992-06-05 Rhone Poulenc Chimie
JPH0341176A (ja) * 1989-07-10 1991-02-21 Bridgestone Corp 樹脂複合ゴム管状物と口金具との接着方法
DE102009052506B4 (de) 2009-11-11 2015-08-20 Air Liquide Global E&C Solutions Germany Gmbh Gaswäscher mit integriertem Wärmetauscher
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429640A (fr) * 1964-03-28 1966-02-25 Basf Ag Procédé pour récupérer l'urée des gaz résiduaires provenant de la synthèse de la mélamine à partir d'urée, en phase gazeuse, et débarrassés de la mélamine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429640A (fr) * 1964-03-28 1966-02-25 Basf Ag Procédé pour récupérer l'urée des gaz résiduaires provenant de la synthèse de la mélamine à partir d'urée, en phase gazeuse, et débarrassés de la mélamine

Also Published As

Publication number Publication date
BE842727A (fr) 1976-12-09
DE2525781C3 (de) 1980-07-17
DE2525781A1 (de) 1976-12-16
JPS5228463A (en) 1977-03-03
ES448687A1 (es) 1977-07-01
NL184680C (nl) 1989-10-02
GB1549212A (en) 1979-08-01
FR2314182B1 (es) 1980-07-25
DE2525781B2 (de) 1979-10-31
NL7606169A (nl) 1976-12-14
JPS5928550B2 (ja) 1984-07-13

Similar Documents

Publication Publication Date Title
PT65627B (fr) Procede pour la production de gaz de syntese
BE829766A (fr) Procede pour isoler des hydrocarbures valorises
FR2299895A1 (fr) Procede pour la
FR2314891A1 (fr) Procede de regeneration de carbures metalliques lies
FR2311576A1 (fr) Procede pour la separation des isotopes
BE830252Q (fr) Procede pour le depoussierage des gaz
BE841665A (fr) Procede pour la recuperation des actinides
FR2469199B1 (fr) Procede pour la decarbonatation des gaz
ZA762514B (en) Process for reducing synthesis gases
FR2302352A1 (fr) Procede perfectionne de production d'aluminium
FR2314182A1 (fr) Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine
BE772155A (fr) Procede perfectionne pour separer des composes halogenes gazeuxcontenusdans des gaz
RO72583A (ro) Procedeu de electrocositorire a metalelor
FR2493861B1 (fr) Procede de production de gaz de synthese pratiquement exempt de particules
FR1502458A (fr) Procédé d'adsorption perfectionné pour la séparation des gaz
RO71763A (ro) Procedeu pentru prepararea hidrurilor de dialchil-aluminiu
FR2301035A1 (fr) Procede pour
BE843427A (fr) Procede de formation de lisieres de gaz dans des tissus
FR2328717A1 (fr) Procede perfectionne pour purifier la nystatine
FR2332256A1 (fr) Procede de synthese de coenzymes q
FR2322133A1 (fr) Procede pour produire des acyl-taurides
RO63751A (fr) Procede pour la separation d'acetylene des gaz de pyrolyse
FR2337102A1 (fr) Procede pour la recuperation du palladium des catalyseurs uses
FR2300676A1 (fr) Procede pour
BE804974A (fr) Procede pour l'epuration des gaz residuaires

Legal Events

Date Code Title Description
CL Concession to grant licenses