EA200001170A1 - Способ получения меламина - Google Patents

Способ получения меламина

Info

Publication number
EA200001170A1
EA200001170A1 EA200001170A EA200001170A EA200001170A1 EA 200001170 A1 EA200001170 A1 EA 200001170A1 EA 200001170 A EA200001170 A EA 200001170A EA 200001170 A EA200001170 A EA 200001170A EA 200001170 A1 EA200001170 A1 EA 200001170A1
Authority
EA
Eurasian Patent Office
Prior art keywords
melamine
liquid
gas
separator
transferring
Prior art date
Application number
EA200001170A
Other languages
English (en)
Other versions
EA003336B1 (ru
Inventor
Йин Ванг
Original Assignee
Дсм Н.В.
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 Дсм Н.В. filed Critical Дсм Н.В.
Publication of EA200001170A1 publication Critical patent/EA200001170A1/ru
Publication of EA003336B1 publication Critical patent/EA003336B1/ru

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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Cosmetics (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Способ получения меламина из мочевины путем осуществления процесса под высоким давлением, при котором твердый меламин получают переносом продукта из реактора, включающего жидкий меламин, COи NH, в газожидкостный сепаратор и последующим переносом расплава меламина, поступающего из сепаратора, в резервуар, где расплав меламина охлаждается с помощью испаряющейся охлаждающей среды, отличающийся тем, что газожидкостное разделение осуществляют добавлением 510- 210моля воды на моль меламина.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200001170A 1998-05-12 1999-05-03 Способ получения меламина EA003336B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8506598P 1998-05-12 1998-05-12
PCT/NL1999/000264 WO1999058508A1 (en) 1998-05-12 1999-05-03 Method for preparing melamine

Publications (2)

Publication Number Publication Date
EA200001170A1 true EA200001170A1 (ru) 2001-04-23
EA003336B1 EA003336B1 (ru) 2003-04-24

Family

ID=22189244

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200001170A EA003336B1 (ru) 1998-05-12 1999-05-03 Способ получения меламина

Country Status (17)

Country Link
EP (1) EP1084112B1 (ru)
JP (1) JP2002514629A (ru)
KR (1) KR100509078B1 (ru)
CN (1) CN1129586C (ru)
AT (1) ATE260903T1 (ru)
AU (1) AU745217B2 (ru)
CA (1) CA2331597C (ru)
DE (1) DE69915286T2 (ru)
EA (1) EA003336B1 (ru)
ES (1) ES2217750T3 (ru)
GB (1) GB2337259B (ru)
ID (1) ID26568A (ru)
NO (1) NO316222B1 (ru)
PL (1) PL195742B1 (ru)
SA (1) SA99200139B1 (ru)
TW (1) TW496864B (ru)
WO (1) WO1999058508A1 (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500297B8 (de) * 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
DE102006055571B4 (de) * 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
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

Family Cites Families (5)

* 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
GB1003278A (en) * 1963-07-18 1965-09-02 Nissan Chemical Ind Ltd A process for separating melamine from waste gas
US3386999A (en) * 1966-02-10 1968-06-04 Chemical Construction Corp Synthesis of melamine
NL8105027A (nl) * 1981-11-06 1983-06-01 Stamicarbon Werkwijze voor het omzetten in ammoniak en kooldioxide van gasvormige verbindingen die stikstof- en koolstofatomen bevatten.
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Also Published As

Publication number Publication date
EA003336B1 (ru) 2003-04-24
NO20005716D0 (no) 2000-11-13
AU745217B2 (en) 2002-03-14
EP1084112A1 (en) 2001-03-21
KR100509078B1 (ko) 2005-08-18
DE69915286T2 (de) 2005-02-24
GB2337259A (en) 1999-11-17
PL343926A1 (en) 2001-09-10
ATE260903T1 (de) 2004-03-15
CN1129586C (zh) 2003-12-03
CN1299353A (zh) 2001-06-13
DE69915286D1 (de) 2004-04-08
ES2217750T3 (es) 2004-11-01
AU3736599A (en) 1999-11-29
NO20005716L (no) 2000-11-13
CA2331597A1 (en) 1999-11-18
EP1084112B1 (en) 2004-03-03
NO316222B1 (no) 2003-12-29
GB2337259B (en) 2000-03-29
PL195742B1 (pl) 2007-10-31
JP2002514629A (ja) 2002-05-21
SA99200139B1 (ar) 2006-04-04
KR20010024998A (ko) 2001-03-26
GB9909901D0 (en) 1999-06-30
TW496864B (en) 2002-08-01
CA2331597C (en) 2008-01-08
WO1999058508A1 (en) 1999-11-18
ID26568A (id) 2001-01-18

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM

PC4A Registration of transfer of a eurasian patent by assignment
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU