ATE397594T1 - Verbessertes verfahren zur herstellung von hochreinem melamin in hohen produktausbeuten - Google Patents

Verbessertes verfahren zur herstellung von hochreinem melamin in hohen produktausbeuten

Info

Publication number
ATE397594T1
ATE397594T1 AT02741165T AT02741165T ATE397594T1 AT E397594 T1 ATE397594 T1 AT E397594T1 AT 02741165 T AT02741165 T AT 02741165T AT 02741165 T AT02741165 T AT 02741165T AT E397594 T1 ATE397594 T1 AT E397594T1
Authority
AT
Austria
Prior art keywords
improved process
product yields
purity melamine
high purity
producing high
Prior art date
Application number
AT02741165T
Other languages
English (en)
Inventor
Sergio Noe
Massimo Parmegiani
Roberto Santucci
Original Assignee
Eurotecnica Melamine Luxemburg
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=11447835&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE397594(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eurotecnica Melamine Luxemburg filed Critical Eurotecnica Melamine Luxemburg
Application granted granted Critical
Publication of ATE397594T1 publication Critical patent/ATE397594T1/de

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
    • 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)
  • Peptides Or Proteins (AREA)
AT02741165T 2001-06-08 2002-05-30 Verbessertes verfahren zur herstellung von hochreinem melamin in hohen produktausbeuten ATE397594T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001MI001216A ITMI20011216A1 (it) 2001-06-08 2001-06-08 Procedimento migliorato per la produzione con alte rese di melanina

Publications (1)

Publication Number Publication Date
ATE397594T1 true ATE397594T1 (de) 2008-06-15

Family

ID=11447835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02741165T ATE397594T1 (de) 2001-06-08 2002-05-30 Verbessertes verfahren zur herstellung von hochreinem melamin in hohen produktausbeuten

Country Status (17)

Country Link
US (1) US7125992B2 (de)
EP (1) EP1404658B1 (de)
KR (1) KR20040023610A (de)
CN (1) CN1276915C (de)
AR (1) AR037136A1 (de)
AT (1) ATE397594T1 (de)
BR (1) BR0210984A (de)
CA (1) CA2449995A1 (de)
DE (1) DE60226980D1 (de)
EA (1) EA005993B1 (de)
ES (1) ES2307763T3 (de)
IT (1) ITMI20011216A1 (de)
MY (1) MY138822A (de)
PL (1) PL367884A1 (de)
TW (1) TWI255814B (de)
UA (1) UA76757C2 (de)
WO (1) WO2002100839A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL209035B1 (pl) * 2001-11-16 2011-07-29 Ami Agrolinz Melamine Int Gmbh Sposób wytwarzania melaminy pozbawionej melemu oraz bezprzeponowa chłodnica do stosowania tego sposobu
DE102004051432A1 (de) * 2004-10-20 2006-04-27 Ami-Agrolinz Melamine International Gmbh Verfahren zur Behandlung von triazinhaltigem Wasser einer Melaminanlage
ITMI20060759A1 (it) * 2006-04-14 2007-10-15 Eurotecnica Melamine Luxemburg Processo migliorato per la produzione di melammina con incremento di resa
EP2098516A1 (de) * 2008-03-04 2009-09-09 Urea Casale S.A. Verfahren zur Herstellung hochreinen Melamins aus Harnstoff
US8472683B2 (en) * 2008-05-09 2013-06-25 General Electric Company Motion correction in tomographic images
ITMI20080861A1 (it) 2008-05-13 2009-11-14 Eurotecnica Melamine Luxembourg Processo migliorato per la purificazione della melammina e relativa apparecchiatura
EP2168643A1 (de) * 2008-09-29 2010-03-31 Applied Materials, Inc. Verdampfer für organische Materialien
IT1391372B1 (it) * 2008-10-07 2011-12-13 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento e apparecchiatura per la produzione di melammina da urea
EP2308856A1 (de) 2009-10-09 2011-04-13 Borealis Agrolinz Melamine GmbH Wasserrecycling in einem Melaminherstellungsprozess
CN101838246B (zh) * 2010-04-29 2012-04-18 聊城市鲁西化工工程设计有限责任公司 利用三聚氰胺尾气进行倒吹的工艺及设备
IT1400090B1 (it) * 2010-05-06 2013-05-17 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento a basso consumo energetico per la produzione di melammina ad elevata purezza tramite pirolisi dell'urea, e relativa apparecchiatura
CN101863848B (zh) * 2010-05-28 2012-07-18 四川金象赛瑞化工股份有限公司 用于制备三聚氰胺的系统及方法
RU2495876C1 (ru) * 2012-09-10 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ очистки меламина
ITUB20152258A1 (it) * 2015-07-17 2017-01-17 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento per la produzione di melammina con separazione e recupero di CO2 e NH3 aventi elevata purezza
EP3208264A1 (de) 2016-02-19 2017-08-23 Casale SA Verfahren zur modernisierung einer hochdrückmelaminanlage
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
RU2771242C2 (ru) * 2018-01-26 2022-04-28 Касале Са Установка синтеза меламина с использованием отходящего газа в присоединенной установке синтеза мочевины
IT201800006795A1 (it) 2018-06-29 2019-12-29 Procedimento di conversione diretta di off-gas anidri da impianti melammina in urea
IT201800007367A1 (it) * 2018-07-20 2020-01-20 Procedimento a basso consumo energetico e ridotto consumo di ammoniaca per la produzione di melammina a elevata purezza tramite pirolisi dell’urea, e relativo impianto
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
AU2023358216B2 (en) 2022-10-14 2025-12-18 Stamicarbon B.V. Urea and melamine production
EP4615822A1 (de) 2022-11-22 2025-09-17 Stamicarbon B.V. Herstellung von mehrprodukt-biuret-harnstoff mit niedrigem biuretgehalt
US12134590B2 (en) 2022-11-22 2024-11-05 Stamicarbon B.V. Coupled urea melamine production with HP CO2 stripping
EP4605381A1 (de) 2022-11-22 2025-08-27 Stamicarbon B.V. Gekoppelte harnstoffmelaminanlage
US20260116850A1 (en) 2023-03-10 2026-04-30 Casale Sa A process and plant for the synthesis of urea and melamine
IT202300019557A1 (it) 2023-09-26 2025-03-26 Proman Ag Processo per la produzione di melammina
CN117695824B (zh) * 2023-12-19 2026-04-07 临沂久安安全技术有限公司 一种三聚氰胺生产尾气的净化方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161638A (en) * 1964-12-15 Filter
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
EP1054006A1 (de) 1999-05-20 2000-11-22 Dsm N.V. Verfahren zur Herstellung von Melamin

Also Published As

Publication number Publication date
CA2449995A1 (en) 2002-12-19
US20040162429A1 (en) 2004-08-19
CN1276915C (zh) 2006-09-27
EP1404658B1 (de) 2008-06-04
EA200400015A1 (ru) 2004-04-29
PL367884A1 (en) 2005-03-07
AR037136A1 (es) 2004-10-27
TWI255814B (en) 2006-06-01
WO2002100839A1 (en) 2002-12-19
EA005993B1 (ru) 2005-08-25
UA76757C2 (uk) 2006-09-15
BR0210984A (pt) 2004-06-08
MY138822A (en) 2009-07-31
DE60226980D1 (de) 2008-07-17
KR20040023610A (ko) 2004-03-18
ITMI20011216A0 (it) 2001-06-08
ES2307763T3 (es) 2008-12-01
ITMI20011216A1 (it) 2002-12-08
CN1538961A (zh) 2004-10-20
EP1404658A1 (de) 2004-04-07
US7125992B2 (en) 2006-10-24

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