CN1122027C - 三聚氰胺的制备方法 - Google Patents

三聚氰胺的制备方法 Download PDF

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Publication number
CN1122027C
CN1122027C CN98810065A CN98810065A CN1122027C CN 1122027 C CN1122027 C CN 1122027C CN 98810065 A CN98810065 A CN 98810065A CN 98810065 A CN98810065 A CN 98810065A CN 1122027 C CN1122027 C CN 1122027C
Authority
CN
China
Prior art keywords
melamine
ammonia
cooler
molten
spray
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 - Fee Related
Application number
CN98810065A
Other languages
English (en)
Chinese (zh)
Other versions
CN1275125A (zh
Inventor
D·E·贝斯特
T·T·切伊
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.)
D Sm I P Property Co Ltd
Original Assignee
DSM NV
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 NV filed Critical DSM NV
Publication of CN1275125A publication Critical patent/CN1275125A/zh
Application granted granted Critical
Publication of CN1122027C publication Critical patent/CN1122027C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
  • Phenolic Resins Or Amino Resins (AREA)
  • Fertilizers (AREA)
  • Nozzles (AREA)
  • Cosmetics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
CN98810065A 1997-10-15 1998-10-12 三聚氰胺的制备方法 Expired - Fee Related CN1122027C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6257497P 1997-10-15 1997-10-15
US60/062,574 1997-10-15
US60/062574 1997-10-15

Publications (2)

Publication Number Publication Date
CN1275125A CN1275125A (zh) 2000-11-29
CN1122027C true CN1122027C (zh) 2003-09-24

Family

ID=22043373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98810065A Expired - Fee Related CN1122027C (zh) 1997-10-15 1998-10-12 三聚氰胺的制备方法

Country Status (16)

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

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
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
AU2008201441B2 (en) * 2002-07-22 2010-08-12 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a Bayer process
CA2701136C (en) * 2007-11-30 2013-01-08 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Vapour phase esterification 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
EP0986547A1 (en) * 1997-06-02 2000-03-22 Dsm N.V. Method for preparing melamine

Also Published As

Publication number Publication date
KR100539150B1 (ko) 2005-12-26
ES2219913T3 (es) 2004-12-01
PL195926B1 (pl) 2007-11-30
TWI221472B (en) 2004-10-01
NO20001961L (no) 2000-06-05
EP1025093A1 (en) 2000-08-09
NO20001961D0 (no) 2000-04-14
US6262261B1 (en) 2001-07-17
DE69823380D1 (de) 2004-05-27
WO1999019310A1 (en) 1999-04-22
CN1275125A (zh) 2000-11-29
CA2306511C (en) 2008-06-03
JP2001519419A (ja) 2001-10-23
AU738254B2 (en) 2001-09-13
ID24074A (id) 2000-07-06
EP1025093B1 (en) 2004-04-21
ATE264848T1 (de) 2004-05-15
DE69823380T2 (de) 2005-05-04
CA2306511A1 (en) 1999-04-22
KR20010015739A (ko) 2001-02-26
AU9652598A (en) 1999-05-03
NO321902B1 (no) 2006-07-17
SA98190737B1 (ar) 2006-06-24
PL339924A1 (en) 2001-01-15

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: DSM IP PROPERTY CO., LTD.

Free format text: FORMER OWNER: DSM N. V.

Effective date: 20040618

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20040618

Address after: Holland Heerlen

Patentee after: D Sm I P Property Company Limited

Address before: Haier, Holland, 1, Thomson

Patentee before: DSM N. V.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030924

Termination date: 20111012