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ITMI20020615A1 - MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS - Google Patents

MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS

Info

Publication number
ITMI20020615A1
ITMI20020615A1 IT2002MI000615A ITMI20020615A ITMI20020615A1 IT MI20020615 A1 ITMI20020615 A1 IT MI20020615A1 IT 2002MI000615 A IT2002MI000615 A IT 2002MI000615A IT MI20020615 A ITMI20020615 A IT MI20020615A IT MI20020615 A1 ITMI20020615 A1 IT MI20020615A1
Authority
IT
Italy
Prior art keywords
melamine
aurea
laying
gas
production process
Prior art date
Application number
IT2002MI000615A
Other languages
Italian (it)
Inventor
Sergio Noe
Massimo Parmegiani
Roberto Santucci
Original Assignee
Eurotecnica Dev & Licensing S
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 Dev & Licensing S filed Critical Eurotecnica Dev & Licensing S
Priority to IT2002MI000615A priority Critical patent/ITMI20020615A1/en
Publication of ITMI20020615A0 publication Critical patent/ITMI20020615A0/en
Priority to CN03808942.4A priority patent/CN1646503A/en
Priority to EP03709800A priority patent/EP1487808A1/en
Priority to AU2003214140A priority patent/AU2003214140A1/en
Priority to PCT/EP2003/002867 priority patent/WO2003080584A1/en
Publication of ITMI20020615A1 publication Critical patent/ITMI20020615A1/en

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)
IT2002MI000615A 2002-03-25 2002-03-25 MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS ITMI20020615A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2002MI000615A ITMI20020615A1 (en) 2002-03-25 2002-03-25 MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS
CN03808942.4A CN1646503A (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
EP03709800A EP1487808A1 (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
AU2003214140A 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
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002MI000615A ITMI20020615A1 (en) 2002-03-25 2002-03-25 MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING OF MELAMINE FROM OFF-GAS

Publications (2)

Publication Number Publication Date
ITMI20020615A0 ITMI20020615A0 (en) 2002-03-25
ITMI20020615A1 true ITMI20020615A1 (en) 2003-09-25

Family

ID=11449567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002MI000615A ITMI20020615A1 (en) 2002-03-25 2002-03-25 MELAMINE PRODUCTION PROCESS FROM AUREA AND PARTICULARLY FOR THE LAYING 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3814320B1 (en) 2018-06-29 2023-12-06 Proman AG Conversion process of anhydrous off-gas stream coming from melamine synthesis plants into urea

Families Citing this family (8)

* 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
PL4121418T3 (en) 2020-03-18 2024-06-24 Casale Sa Process for quenching offgas of melamine synthesis
IT202200004898A1 (en) * 2022-03-14 2023-09-14 Eurotecnica Melamine Ag Improved process for the production of high purity melamine from urea pyrolysis, with reduced energy consumption and improved integration with the urea plant
WO2024112198A1 (en) 2022-11-22 2024-05-30 Stamicarbon B.V. Urea melamine plant with melamine off-gas condenser

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.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3814320B1 (en) 2018-06-29 2023-12-06 Proman AG Conversion process of anhydrous off-gas stream coming from melamine synthesis plants into urea

Also Published As

Publication number Publication date
EP1487808A1 (en) 2004-12-22
ITMI20020615A0 (en) 2002-03-25
AU2003214140A1 (en) 2003-10-08
WO2003080584A1 (en) 2003-10-02
CN1646503A (en) 2005-07-27

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