CS220766B2 - Method of preparation of melamine - Google Patents

Method of preparation of melamine Download PDF

Info

Publication number
CS220766B2
CS220766B2 CS803102A CS310280A CS220766B2 CS 220766 B2 CS220766 B2 CS 220766B2 CS 803102 A CS803102 A CS 803102A CS 310280 A CS310280 A CS 310280A CS 220766 B2 CS220766 B2 CS 220766B2
Authority
CS
Czechoslovakia
Prior art keywords
melamine
gas mixture
urea
ammonia
desublimator
Prior art date
Application number
CS803102A
Other languages
Czech (cs)
English (en)
Inventor
Hardeveld Rudolf Van
Dominique J J S M Moreau
Pierre G M B Bruls
Hinsberg Johannes G Van
Original Assignee
Stamicarbon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19833094&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS220766(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of CS220766B2 publication Critical patent/CS220766B2/cs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation 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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Saccharide Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Fertilizers (AREA)
  • Treating Waste Gases (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Cosmetics (AREA)
CS803102A 1979-05-03 1980-05-04 Method of preparation of melamine CS220766B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7903473A NL7903473A (nl) 1979-05-03 1979-05-03 Werkwijze voor het bereiden van melamine.

Publications (1)

Publication Number Publication Date
CS220766B2 true CS220766B2 (en) 1983-04-29

Family

ID=19833094

Family Applications (1)

Application Number Title Priority Date Filing Date
CS803102A CS220766B2 (en) 1979-05-03 1980-05-04 Method of preparation of melamine

Country Status (19)

Country Link
US (1) US4348520A (es)
EP (1) EP0018695B1 (es)
JP (2) JPS55149268A (es)
AT (1) ATE1504T1 (es)
BR (1) BR8002683A (es)
CA (1) CA1128515A (es)
CS (1) CS220766B2 (es)
DE (1) DE3060795D1 (es)
EG (1) EG14499A (es)
ES (1) ES8101057A1 (es)
HU (1) HU184276B (es)
IN (1) IN153077B (es)
NL (1) NL7903473A (es)
NO (1) NO154393C (es)
PL (1) PL223958A1 (es)
RO (1) RO79649A (es)
SU (1) SU1060109A3 (es)
YU (1) YU40776B (es)
ZA (2) ZA802417B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
CA1220476A (en) * 1984-01-05 1987-04-14 David E. Best Anhydrous high-pressure melamine synthesis
DE3500188C2 (de) * 1984-01-05 1994-08-18 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
JP2684409B2 (ja) * 1988-03-31 1997-12-03 コニカ株式会社 シアノ基および/またはハロゲン原子で置換されたアニリン類の製造方法およびその製造のために使用される化合物
US5389134A (en) * 1994-07-18 1995-02-14 Xerox Corporation Ink compositions for ink jet printing
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
DE102005023041B4 (de) * 2005-05-06 2007-10-11 Lurgi Ag Verfahren zum Herstellen von Melamin mit Wärmerückgewinnung
DE102005023042B4 (de) 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin
EP2050740A1 (de) * 2007-10-15 2009-04-22 Basf Se Verfahren zur Herstellung von Melamin
DE102008032425B4 (de) * 2008-07-10 2015-07-30 Air Liquide Global E&C Solutions Germany Gmbh Verfahren und Anlage zur Herstellung von Melamin
DE102009052420C5 (de) * 2009-11-10 2014-05-22 Lurgi Gmbh Verfahren zur kontinuierlichen Herstellung von Melamin
CN113375133A (zh) * 2021-06-23 2021-09-10 四川金象赛瑞化工股份有限公司 利用三聚氰胺生产系统生产高品位蒸汽生产装置及其生产高品位蒸汽的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670126A1 (de) * 1966-08-09 1970-10-29 Basf Ag Verfahren zur Kuehlung der bei der Melaminsynthese erhaltenen Abgase
DE1670286A1 (de) * 1967-11-11 1971-01-28 Basf Ag Verfahren zur Aufarbeitung der bei der Melaminsynthese anfallenden Abgase
DE1812120C3 (de) * 1968-12-02 1974-02-28 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Melamin
US3700672A (en) * 1969-04-15 1972-10-24 Nissan Chemical Ind Ltd Process for recovering by-product gases at high pressure in melamine production
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
US3895007A (en) * 1972-04-28 1975-07-15 Basf Ag Manufacture of melamine
NL178487C (nl) * 1976-03-26 1986-04-01 Stamicarbon Inrichting en werkwijze voor het versproeien van een vloeistof.
RO74590A (ro) * 1977-01-19 1981-08-30 Stamicarbon Bv,Nl Procedeu de preparare a melaminei din uree

Also Published As

Publication number Publication date
HU184276B (en) 1984-07-30
YU40776B (en) 1986-06-30
JPS55149268A (en) 1980-11-20
ES491105A0 (es) 1980-12-01
PL223958A1 (es) 1981-02-13
NL7903473A (nl) 1980-11-05
ZA802416B (en) 1981-04-29
DE3060795D1 (en) 1982-10-28
ATE1504T1 (de) 1982-09-15
BR8002683A (pt) 1980-12-16
EP0018695A1 (en) 1980-11-12
EP0018695B1 (en) 1982-09-01
ZA802417B (en) 1981-04-29
IN153077B (es) 1984-05-26
SU1060109A3 (ru) 1983-12-07
ES8101057A1 (es) 1980-12-01
NO801283L (no) 1980-11-04
JPS55149267A (en) 1980-11-20
US4348520A (en) 1982-09-07
EG14499A (en) 1985-03-31
NO154393C (no) 1986-09-10
CA1128515A (en) 1982-07-27
RO79649A (ro) 1982-08-17
YU117880A (en) 1983-10-31
NO154393B (no) 1986-06-02

Similar Documents

Publication Publication Date Title
US4565867A (en) Anhydrous high-pressure melamine synthesis
CN102219754B (zh) 节能节资型气相淬冷法蜜胺生产系统及其工艺
CS220766B2 (en) Method of preparation of melamine
CA2839657C (en) Urea finishing method
CA1244423A (en) Process for preparing melamine
CN109053615B (zh) 一种三聚氰胺的生产系统及方法
US3547919A (en) Processing offgas from the synthesis of melamine
CN1315812C (zh) 制备不含蜜勒胺的三聚氰胺的方法及骤冷器
KR920001740B1 (ko) 멜라민을 제조하는 연속법 및 이를 위한 플랜트 시스템
NL8303888A (nl) Werkwijze voor de bereiding van ureum.
CS216533B2 (en) Method of preparation of the melamine
EP1429996B1 (en) Method for obtaining an ammonium carbamate solution from a gas mixture containing ammonia, water and carbon dioxide
PL73475B1 (es)
US3578664A (en) Process for the recovery of melamine from a synthesis gas mixture containing hot melamine vapour
WO2002014289A1 (en) Process for the preparation of melamine from urea
US4643885A (en) Method of processing sodium oxalate formed during the digestion of bauxite
US4220769A (en) Cyanuric acid manufacture
JPH024587B2 (es)
DD150607A5 (de) Verfahren zur herstellung von melamin
PL85139B1 (es)