ES448687A1 - Procedimiento para enfriar los gases de reaccion de la sin- tesis de melamina. - Google Patents

Procedimiento para enfriar los gases de reaccion de la sin- tesis de melamina.

Info

Publication number
ES448687A1
ES448687A1 ES448687A ES448687A ES448687A1 ES 448687 A1 ES448687 A1 ES 448687A1 ES 448687 A ES448687 A ES 448687A ES 448687 A ES448687 A ES 448687A ES 448687 A1 ES448687 A1 ES 448687A1
Authority
ES
Spain
Prior art keywords
cooling
melamine
reaction
waste gases
reaction gases
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
ES448687A
Other languages
English (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.)
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 ES448687A1 publication Critical patent/ES448687A1/es
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)
ES448687A 1975-06-10 1976-06-09 Procedimiento para enfriar los gases de reaccion de la sin- tesis de melamina. Expired ES448687A1 (es)

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 (1)

Publication Number Publication Date
ES448687A1 true ES448687A1 (es) 1977-07-01

Family

ID=5948716

Family Applications (1)

Application Number Title Priority Date Filing Date
ES448687A Expired ES448687A1 (es) 1975-06-10 1976-06-09 Procedimiento para enfriar los gases de reaccion de la sin- tesis de melamina.

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

Family Cites Families (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
GB1549212A (en) 1979-08-01
DE2525781B2 (de) 1979-10-31
DE2525781A1 (de) 1976-12-16
FR2314182B1 (es) 1980-07-25
BE842727A (fr) 1976-12-09
FR2314182A1 (fr) 1977-01-07
DE2525781C3 (de) 1980-07-17
JPS5928550B2 (ja) 1984-07-13
JPS5228463A (en) 1977-03-03
NL7606169A (nl) 1976-12-14
NL184680C (nl) 1989-10-02

Similar Documents

Publication Publication Date Title
JPS5264501A (en) Method of recovering waste heat from high temperature reactionary effluent
ES425846A1 (es) Un procedimiento de purificacion selectiva de gases calien-tes que contienen polvo metalico complejo.
KR830004441A (ko) 금속산화물 함유 분진으로 부터 비휘발성 금속 회수
ES448687A1 (es) Procedimiento para enfriar los gases de reaccion de la sin- tesis de melamina.
ES418724A1 (es) Un procedimiento y un aparato para la recuperacion de azu- fre a partir de sulfuro de hidrogeno y dioxido de azufre.
ES279964A1 (es) Procedimiento y aparato para el tratamiento termico de bandas metalicas
GB1320950A (en) Process for the preparation of urea and melamine
GB1523203A (en) Method of and apparatus for generating a protective reducing atmosphere
JPS5212672A (en) Process for high temperature treatment of wastes
JPS5520608A (en) Treating method for waste gas absorption product
ATE40923T1 (de) Verfahren zur durchfuehrung von hochtemperaturreaktionen.
US2193278A (en) Purification of combustible gases
GB1003277A (en) Process and apparatus for the production and separation of melamine
GB1497291A (en) Process for the selective removal of hydrogen sulphide from hot gases
DK17489D0 (da) Fremgangsmaade og indretning til udfoerelse af varme kemiske processer
JPS5439391A (en) Method of regenerating high temperature gas refining catalyst
GB867574A (en) Improvements in or relating to processes for removing one gas from a mixture of gases
ES358440A1 (es) Procedimiento para la produccion de acido cianurico.
US2328588A (en) 2-hydroxy carbazole
ATE7711T1 (de) Verfahren und apparat zur rueckgewinnung von energie aus fluessiger schlacke.
SU488800A1 (ru) Способ изомеризации терпенов
JPS5235195A (en) Method for recovery of heat from metallurgical fused slag and its appa ratus
ES401028A1 (es) Un metodo de tratamiento de alimento de agua y de efluente,para una sistema en el que se ponen en contacto sulfuro de hidrogeno y agua a temperatura y presion elevadas.
ES428866A1 (es) Procedimiento para la eliminacion de amoniaco, acido sulf- hidrico y acido cianhidrico desde gases.
JPS53117672A (en) Treating method for exhaust gas