ES2219913T3 - Procedimiento para la preparacion de melamina. - Google Patents

Procedimiento para la preparacion de melamina.

Info

Publication number
ES2219913T3
ES2219913T3 ES98950508T ES98950508T ES2219913T3 ES 2219913 T3 ES2219913 T3 ES 2219913T3 ES 98950508 T ES98950508 T ES 98950508T ES 98950508 T ES98950508 T ES 98950508T ES 2219913 T3 ES2219913 T3 ES 2219913T3
Authority
ES
Spain
Prior art keywords
melamine
ammonia
spray
cooling
liquid
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES98950508T
Other languages
English (en)
Spanish (es)
Inventor
David Edward Best
Tjay Tjien Tjioe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSM IP Assets BV
Original Assignee
DSM IP Assets BV
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 DSM IP Assets BV filed Critical DSM IP Assets BV
Application granted granted Critical
Publication of ES2219913T3 publication Critical patent/ES2219913T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • 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
    • 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
    • C07D251/62—Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Nozzles (AREA)
  • Cosmetics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
ES98950508T 1997-10-15 1998-10-12 Procedimiento para la preparacion de melamina. Expired - Lifetime ES2219913T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6257497P 1997-10-15 1997-10-15
US62574P 1997-10-15

Publications (1)

Publication Number Publication Date
ES2219913T3 true ES2219913T3 (es) 2004-12-01

Family

ID=22043373

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98950508T Expired - Lifetime ES2219913T3 (es) 1997-10-15 1998-10-12 Procedimiento para la preparacion de melamina.

Country Status (16)

Country Link
US (1) US6262261B1 (https=)
EP (1) EP1025093B1 (https=)
JP (1) JP2001519419A (https=)
KR (1) KR100539150B1 (https=)
CN (1) CN1122027C (https=)
AT (1) ATE264848T1 (https=)
AU (1) AU738254B2 (https=)
CA (1) CA2306511C (https=)
DE (1) DE69823380T2 (https=)
ES (1) ES2219913T3 (https=)
ID (1) ID24074A (https=)
NO (1) NO321902B1 (https=)
PL (1) PL195926B1 (https=)
SA (1) SA98190737B1 (https=)
TW (1) TWI221472B (https=)
WO (1) WO1999019310A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
AU2008201441B2 (en) * 2002-07-22 2010-08-12 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a Bayer process
US7390415B2 (en) * 2002-07-22 2008-06-24 Cytec Technology Corp. Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes
US6814873B2 (en) * 2002-07-22 2004-11-09 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a bayer process
EP2215193A4 (en) * 2007-11-30 2012-08-29 Ca Minister Natural Resources VAPOR ESTERIZATION OF FREE FATTY ACIDS
RU2495875C1 (ru) 2012-10-11 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ охлаждения расплава меламина
CN108530369B (zh) * 2018-04-25 2020-01-31 中国工程物理研究院化工材料研究所 一种1,3,5-三嗪-2,4,6-三胺的合成方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446877A (en) * 1967-04-28 1969-05-27 Lummus Co Process for producing prills
US3689607A (en) * 1970-10-26 1972-09-05 Union Oil Co Urea prilling
US4171091A (en) * 1976-03-26 1979-10-16 Stamicarbon, B.V. Process and device for spraying liquid
NL8001874A (nl) * 1980-03-29 1981-11-02 Stamicarbon Inrichting voor het versproeien van een vloeistof met behulp van een gas.
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
WO1998055466A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine

Also Published As

Publication number Publication date
PL195926B1 (pl) 2007-11-30
JP2001519419A (ja) 2001-10-23
CN1122027C (zh) 2003-09-24
TWI221472B (en) 2004-10-01
ATE264848T1 (de) 2004-05-15
NO20001961L (no) 2000-06-05
KR20010015739A (ko) 2001-02-26
AU738254B2 (en) 2001-09-13
EP1025093B1 (en) 2004-04-21
SA98190737B1 (ar) 2006-06-24
EP1025093A1 (en) 2000-08-09
NO20001961D0 (no) 2000-04-14
KR100539150B1 (ko) 2005-12-26
DE69823380T2 (de) 2005-05-04
WO1999019310A1 (en) 1999-04-22
US6262261B1 (en) 2001-07-17
CA2306511C (en) 2008-06-03
ID24074A (id) 2000-07-06
CN1275125A (zh) 2000-11-29
NO321902B1 (no) 2006-07-17
DE69823380D1 (de) 2004-05-27
CA2306511A1 (en) 1999-04-22
PL339924A1 (en) 2001-01-15
AU9652598A (en) 1999-05-03

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