ID28442A - Metode pembuatan melamin - Google Patents

Metode pembuatan melamin

Info

Publication number
ID28442A
ID28442A IDW20010820A ID20010820A ID28442A ID 28442 A ID28442 A ID 28442A ID W20010820 A IDW20010820 A ID W20010820A ID 20010820 A ID20010820 A ID 20010820A ID 28442 A ID28442 A ID 28442A
Authority
ID
Indonesia
Prior art keywords
melamine
melt
treated
ammonia
column
Prior art date
Application number
IDW20010820A
Other languages
English (en)
Indonesian (id)
Inventor
Tjay Tjien Tjioe
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 ID28442A publication Critical patent/ID28442A/id

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
    • C07D251/62—Purification of melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/324—Tray constructions
    • B01D3/328—Sealing between the column and the trays
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Gas Separation By Absorption (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
IDW20010820A 1998-10-14 1999-06-10 Metode pembuatan melamin ID28442A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1010316A NL1010316C2 (nl) 1998-10-14 1998-10-14 Werkwijze voor de bereiding van melamine.

Publications (1)

Publication Number Publication Date
ID28442A true ID28442A (id) 2001-05-24

Family

ID=19767963

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW20010820A ID28442A (id) 1998-10-14 1999-06-10 Metode pembuatan melamin

Country Status (20)

Country Link
US (1) US6548669B2 (de)
EP (1) EP1119556B1 (de)
JP (1) JP2002527426A (de)
KR (1) KR100524457B1 (de)
CN (1) CN1156458C (de)
AT (1) ATE240946T1 (de)
AU (1) AU753600B2 (de)
CA (1) CA2347087C (de)
DE (1) DE69908161T2 (de)
EA (1) EA003323B1 (de)
EG (1) EG21897A (de)
ES (1) ES2200592T3 (de)
GB (1) GB2342648B (de)
ID (1) ID28442A (de)
NL (1) NL1010316C2 (de)
NO (1) NO317339B1 (de)
PL (1) PL194903B1 (de)
SA (1) SA99200366B1 (de)
TW (1) TW546292B (de)
WO (1) WO2000021940A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6670398B2 (en) * 1997-05-14 2003-12-30 Atherogenics, Inc. Compounds and methods for treating transplant rejection
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
AT411462B (de) 2001-12-12 2004-01-26 Agrolinz Melamin Gmbh Verfahren zur reinigung einer melaminschmelze
AT411452B (de) * 2001-12-20 2004-01-26 Agrolinz Melamin Gmbh Uv-resistenter, thermohärtbarer aminoplastverbund, dessen herstellung und verwendung
US20070284889A1 (en) * 2006-06-09 2007-12-13 Carlton Leslie Railroad track de-icing method and apparatus
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

Family Cites Families (3)

* 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
IT1292427B1 (it) * 1997-06-27 1999-02-08 Eurotecnica Contractors And En Procedimento e apparecchiatura per la produzione di melammina
NL1008573C2 (nl) * 1998-03-12 1999-09-14 Dsm Nv Inrichting voor het uitvoeren van gas/vloeistof contact.

Also Published As

Publication number Publication date
PL347174A1 (en) 2002-03-25
WO2000021940A1 (en) 2000-04-20
TW546292B (en) 2003-08-11
NO20011834L (no) 2001-06-07
KR20010080115A (ko) 2001-08-22
EP1119556B1 (de) 2003-05-21
NL1010316A1 (nl) 1999-08-20
NL1010316C2 (nl) 1999-09-23
CN1156458C (zh) 2004-07-07
SA99200366B1 (ar) 2006-11-04
DE69908161D1 (de) 2003-06-26
NO317339B1 (no) 2004-10-11
AU4294299A (en) 2000-05-01
KR100524457B1 (ko) 2005-10-26
EP1119556A1 (de) 2001-08-01
NO20011834D0 (no) 2001-04-10
EA003323B1 (ru) 2003-04-24
EA200100435A1 (ru) 2001-10-22
GB2342648A (en) 2000-04-19
CA2347087C (en) 2008-12-30
ES2200592T3 (es) 2004-03-01
ATE240946T1 (de) 2003-06-15
US20020004597A1 (en) 2002-01-10
AU753600B2 (en) 2002-10-24
GB2342648B (en) 2000-08-23
JP2002527426A (ja) 2002-08-27
DE69908161T2 (de) 2004-03-25
GB9910745D0 (en) 1999-07-07
US6548669B2 (en) 2003-04-15
EG21897A (en) 2002-04-30
CA2347087A1 (en) 2000-04-20
CN1323299A (zh) 2001-11-21
PL194903B1 (pl) 2007-07-31

Similar Documents

Publication Publication Date Title
CA2447474A1 (en) Processes and apparatus for quantitatively converting urea to ammonia on demand
MY136184A (en) Process for producing chlorine dioxide
EP1112997A3 (de) Verfahren zum Herstellen von Diarylcarbonat
NO307338B1 (no) Kontinuerlig fremgangsmÕte og høy-trykk, ikke-katalytisk fremgangsmÕte for fremstilling av melamin fra urea
NO20011834L (no) Fremgangsmåte for å fremstille melamin
EP3743203B1 (de) Anlage zur synthese von melamin mit abgasrückgewinnung
EA200500284A1 (ru) Способ повышения производительности установки по производству мочевины
DE69117641D1 (de) Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen
UA87133C2 (ru) Способ и установка для общего получения мочевины и меламина
MX9600600A (es) Procedimiento de alto rendimiento para la sintesis de urea.
MY127355A (en) Process for the production of nylon 6
EG20972A (en) Process and plant for the production of urea with high conversion yield and low energy consumption
ES2061961T3 (es) Procedimiento integrado para la produccion de aminoacetonitrilos.
KR930009987A (ko) 분화된 생산반응공간의 요소생산방법과 플랜트
ES8606303A1 (es) Procedimiento continuo para producir melamina a partir de urea
MXPA02012329A (es) Proceso y planta para la produccion de urea.
ES2033175A1 (es) Obtencion en continuo de sales fertilizantes con derivados de estroncio y yeso.
DE60208773D1 (de) Verfahren zur herstellung von harnstoff
TH39955A3 (th) วิธีการสำหรับการเตรียมเมลามีน
NO20021600L (no) Fremgangsmåte for fremstilling av melamin
WO1998052928A1 (en) Method for preparing melamine
TW372966B (en) Method for preparation of melamine
AR058186A1 (es) Proceso para la produccion de urea y planta relacionada