AU2003214140A1 - Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas - Google Patents

Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas

Info

Publication number
AU2003214140A1
AU2003214140A1 AU2003214140A AU2003214140A AU2003214140A1 AU 2003214140 A1 AU2003214140 A1 AU 2003214140A1 AU 2003214140 A AU2003214140 A AU 2003214140A AU 2003214140 A AU2003214140 A AU 2003214140A AU 2003214140 A1 AU2003214140 A1 AU 2003214140A1
Authority
AU
Australia
Prior art keywords
melamine
urea
separation
gas
production
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.)
Abandoned
Application number
AU2003214140A
Inventor
Sergio Noe
Massimo Parmegiani
Roberto Santucci
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.)
Eurotecnica Group SA
Original Assignee
Eurotecnica Group SA
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 Eurotecnica Group SA filed Critical Eurotecnica Group SA
Publication of AU2003214140A1 publication Critical patent/AU2003214140A1/en
Abandoned 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
AU2003214140A 2002-03-25 2003-03-19 Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas Abandoned AU2003214140A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI2002A000615 2002-03-25
IT2002MI000615A ITMI20020615A1 (en) 2002-03-25 2002-03-25 MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS
PCT/EP2003/002867 WO2003080584A1 (en) 2002-03-25 2003-03-19 Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas

Publications (1)

Publication Number Publication Date
AU2003214140A1 true AU2003214140A1 (en) 2003-10-08

Family

ID=11449567

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003214140A Abandoned AU2003214140A1 (en) 2002-03-25 2003-03-19 Process for the production of melamine from urea, and particularly for the separation of melamine from off-gas

Country Status (5)

Country Link
EP (1) EP1487808A1 (en)
CN (1) CN1646503A (en)
AU (1) AU2003214140A1 (en)
IT (1) ITMI20020615A1 (en)
WO (1) WO2003080584A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105268702A (en) * 2014-06-26 2016-01-27 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 Method for cleaning heat exchange surface, and particularly for heat exchange surface in reactor for preparing melamine
CN104383786B (en) * 2014-09-27 2016-09-14 安徽金禾实业股份有限公司 A kind of ammonia carbon separation method in melamine tail gas
CN105218470A (en) * 2015-08-22 2016-01-06 安徽金禾实业股份有限公司 Solid and gas tripping device in a kind of Melamine Production
CN109761922B (en) * 2017-11-09 2023-11-21 欧技三聚氰胺有限公司 Improved process for the production of melamine in high purity by pyrolysis of urea and related plant
CN109289230A (en) * 2018-08-08 2019-02-01 浙江工业大学 A kind of closed cycle-inert particles fluidized bed serialization sublimating and condensing separating refining device and process for refining
CA3168612A1 (en) 2020-03-18 2021-09-23 Casale Sa Process for quenching offgas of melamine synthesis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700672A (en) * 1969-04-15 1972-10-24 Nissan Chemical Ind Ltd Process for recovering by-product gases at high pressure in melamine production
NL1012467C2 (en) * 1999-06-29 2001-01-02 Dsm Nv Method for separating melamine from melamine-containing gas mixtures.

Also Published As

Publication number Publication date
ITMI20020615A0 (en) 2002-03-25
CN1646503A (en) 2005-07-27
WO2003080584A1 (en) 2003-10-02
ITMI20020615A1 (en) 2003-09-25
EP1487808A1 (en) 2004-12-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase