PL189706B1 - Sposób wytwarzania melaminy - Google Patents

Sposób wytwarzania melaminy

Info

Publication number
PL189706B1
PL189706B1 PL98337652A PL33765298A PL189706B1 PL 189706 B1 PL189706 B1 PL 189706B1 PL 98337652 A PL98337652 A PL 98337652A PL 33765298 A PL33765298 A PL 33765298A PL 189706 B1 PL189706 B1 PL 189706B1
Authority
PL
Poland
Prior art keywords
reactor
melamine
reaction
ammonia
section
Prior art date
Application number
PL98337652A
Other languages
English (en)
Polish (pl)
Other versions
PL337652A1 (en
Inventor
Sergio Noe'
Original Assignee
Eurotecnica Group Sa Swiss Bra
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 Swiss Bra filed Critical Eurotecnica Group Sa Swiss Bra
Publication of PL337652A1 publication Critical patent/PL337652A1/xx
Publication of PL189706B1 publication Critical patent/PL189706B1/pl

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)
  • Phenolic Resins Or Amino Resins (AREA)
PL98337652A 1997-06-27 1998-06-16 Sposób wytwarzania melaminy PL189706B1 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97MI001524A IT1292427B1 (it) 1997-06-27 1997-06-27 Procedimento e apparecchiatura per la produzione di melammina
PCT/IT1998/000161 WO1999000374A1 (en) 1997-06-27 1998-06-16 Process and apparatus for melamine manufacture

Publications (2)

Publication Number Publication Date
PL337652A1 PL337652A1 (en) 2000-08-28
PL189706B1 true PL189706B1 (pl) 2005-09-30

Family

ID=11377451

Family Applications (1)

Application Number Title Priority Date Filing Date
PL98337652A PL189706B1 (pl) 1997-06-27 1998-06-16 Sposób wytwarzania melaminy

Country Status (18)

Country Link
US (1) US6252074B1 (enEXAMPLES)
EP (1) EP0991629B1 (enEXAMPLES)
KR (1) KR100529856B1 (enEXAMPLES)
CN (1) CN1130354C (enEXAMPLES)
AR (1) AR010422A1 (enEXAMPLES)
AU (1) AU7930898A (enEXAMPLES)
BR (1) BR9810348A (enEXAMPLES)
CA (1) CA2293801C (enEXAMPLES)
DE (1) DE69823824T2 (enEXAMPLES)
EA (1) EA002194B1 (enEXAMPLES)
ES (1) ES2224409T3 (enEXAMPLES)
ID (1) ID26902A (enEXAMPLES)
IT (1) IT1292427B1 (enEXAMPLES)
MY (1) MY122135A (enEXAMPLES)
PL (1) PL189706B1 (enEXAMPLES)
SA (1) SA98190278B1 (enEXAMPLES)
TW (1) TW531535B (enEXAMPLES)
WO (1) WO1999000374A1 (enEXAMPLES)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010316C2 (nl) * 1998-10-14 1999-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
EP1138676A1 (en) 2000-03-27 2001-10-04 Casale Chemicals SA Process for producing melamine at high pureness
FI109021B (fi) * 2000-06-30 2002-05-15 Kemira Agro Oy Reaktori ja menetelmä melamiinin tuottamiseksi
AT409489B (de) * 2000-10-20 2002-08-26 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
NL1022414C2 (nl) * 2003-01-17 2004-07-20 Dsm Nv Werkwijze voor het onttrekken van energie uit rookgassen.
AU2003227459A1 (en) * 2003-03-24 2004-10-18 Guorui Zhang Method and procedure for producing melamine by high-pressure process
DE10326827A1 (de) 2003-06-12 2004-12-30 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor
AT414239B (de) 2004-07-29 2006-10-15 Ami Agrolinz Melamine Int Gmbh Hochdruckverfahren zur herstellung von reinem melamin
IT1391372B1 (it) * 2008-10-07 2011-12-13 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento e apparecchiatura per la produzione di melammina da urea
ITMI20082294A1 (it) * 2008-12-22 2010-06-23 Eurotecnica Melamine Luxemburg Zwe Igniederlassun Procedimento migliorato per la produzione di melammina ad elevata purezza mediante pirolisi dell'urea
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
EP2399669A1 (en) 2010-06-24 2011-12-28 Borealis Agrolinz Melamine GmbH Horizontal high-pressure melamine reactor
IT1403101B1 (it) * 2010-12-15 2013-10-04 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina
RU2675952C2 (ru) * 2014-01-10 2018-12-25 Эуротекника Меламине, Люксембург, Цвайгнидерлассунг ин Иттиген Трубчатый теплообменник и установка, в частности реактор для производства меламина, содержащая такой теплообменник
EP2918333A1 (en) * 2014-03-12 2015-09-16 Casale Sa High pressure reactor for the synthesis of melamine
CN104258795B (zh) * 2014-09-24 2015-12-30 中国纺织科学研究院 交换反应系统、包含其的改性聚酯生产系统及改性聚酯生产方法
IT202100013088A1 (it) * 2021-05-20 2022-11-20 Eurotecnica Melamine Ag Apparato di trattamento delle correnti gassose uscenti dalla sezione di reazione in un impianto per la produzione di melammina e relativo procedimento
IT202100013079A1 (it) 2021-05-20 2022-11-20 Eurotecnica Melamine Ag Apparato per la produzione di melammina

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116294A (en) * 1963-12-31 Process- for preparing high-purity melamine from urea
US3143394A (en) * 1956-04-25 1964-08-04 American Cyanamid Co Tube reactor for manufacture of melamine
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine

Also Published As

Publication number Publication date
AU7930898A (en) 1999-01-19
SA98190278B1 (ar) 2006-09-25
DE69823824T2 (de) 2005-05-12
ES2224409T3 (es) 2005-03-01
CA2293801A1 (en) 1999-01-07
KR100529856B1 (ko) 2005-11-22
AR010422A1 (es) 2000-06-07
DE69823824D1 (de) 2004-06-17
PL337652A1 (en) 2000-08-28
TW531535B (en) 2003-05-11
ID26902A (id) 2001-02-15
WO1999000374A1 (en) 1999-01-07
EP0991629A1 (en) 2000-04-12
KR20010020534A (ko) 2001-03-15
ITMI971524A1 (it) 1998-12-27
CA2293801C (en) 2008-04-01
BR9810348A (pt) 2000-08-29
IT1292427B1 (it) 1999-02-08
MY122135A (en) 2006-03-31
ITMI971524A0 (enEXAMPLES) 1997-06-27
US6252074B1 (en) 2001-06-26
CN1261355A (zh) 2000-07-26
EA200000072A1 (ru) 2000-06-26
EP0991629B1 (en) 2004-05-12
CN1130354C (zh) 2003-12-10
EA002194B1 (ru) 2002-02-28

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20090616