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ITMI20020615A1 - Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli off-gas - Google Patents

Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli 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
English (en)
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/it
Publication of ITMI20020615A0 publication Critical patent/ITMI20020615A0/it
Priority to CN03808942.4A priority patent/CN1646503A/zh
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/it

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 Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli off-gas ITMI20020615A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2002MI000615A ITMI20020615A1 (it) 2002-03-25 2002-03-25 Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli off-gas
CN03808942.4A CN1646503A (zh) 2002-03-25 2003-03-19 由脲生产三聚氰胺的方法、特别是从尾气中分离三聚氰胺的方法
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 (it) 2002-03-25 2002-03-25 Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli off-gas

Publications (2)

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

Family

ID=11449567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002MI000615A ITMI20020615A1 (it) 2002-03-25 2002-03-25 Processo di produzione di melammina da aurea e particolarmente per laseparazione della melammina degli off-gas

Country Status (5)

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

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 (zh) * 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 用于清洁热交换表面、特别是用于制备三聚氰胺的反应器中的热交换表面的方法
CN104383786B (zh) * 2014-09-27 2016-09-14 安徽金禾实业股份有限公司 一种三聚氰胺尾气中的氨碳分离方法
CN105218470A (zh) * 2015-08-22 2016-01-06 安徽金禾实业股份有限公司 一种三聚氰胺生产中的固气分离装置
CN109761922B (zh) * 2017-11-09 2023-11-21 欧技三聚氰胺有限公司 通过脲的热解生产高纯度三聚氰胺的改进方法和相关装置
CN109289230A (zh) * 2018-08-08 2019-02-01 浙江工业大学 一种闭路循环-惰性粒子流化床连续化升华凝华分离精制装置及精制工艺
PL4121418T3 (pl) 2020-03-18 2024-06-24 Casale Sa Sposób gaszenia gazu odlotowego z syntezy melaminy
IT202200004898A1 (it) * 2022-03-14 2023-09-14 Eurotecnica Melamine Ag Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea
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 (nl) * 1999-06-29 2001-01-02 Dsm Nv Werkwijze voor het afscheiden van melamine uit melaminehoudende gasmengels.

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 (it) 2002-03-25
AU2003214140A1 (en) 2003-10-08
WO2003080584A1 (en) 2003-10-02
CN1646503A (zh) 2005-07-27

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