IL116516A - Process for the purification of melamine - Google Patents

Process for the purification of melamine

Info

Publication number
IL116516A
IL116516A IL11651695A IL11651695A IL116516A IL 116516 A IL116516 A IL 116516A IL 11651695 A IL11651695 A IL 11651695A IL 11651695 A IL11651695 A IL 11651695A IL 116516 A IL116516 A IL 116516A
Authority
IL
Israel
Prior art keywords
melamine
ammonia pressure
purification
temperature
bars
Prior art date
Application number
IL11651695A
Other languages
English (en)
Other versions
IL116516A0 (en
Original Assignee
Agrolinz Melamin Gmbh
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 Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh
Publication of IL116516A0 publication Critical patent/IL116516A0/xx
Publication of IL116516A publication Critical patent/IL116516A/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Color Printing (AREA)
IL11651695A 1994-12-23 1995-12-22 Process for the purification of melamine IL116516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0239394A AT402295B (de) 1994-12-23 1994-12-23 Verfahren zur reinigung von melamin

Publications (2)

Publication Number Publication Date
IL116516A0 IL116516A0 (en) 1996-03-31
IL116516A true IL116516A (en) 2000-07-16

Family

ID=3533533

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11651695A IL116516A (en) 1994-12-23 1995-12-22 Process for the purification of melamine

Country Status (17)

Country Link
EP (1) EP0799213B1 (xx)
JP (1) JPH10511369A (xx)
KR (1) KR100374731B1 (xx)
CN (1) CN1068315C (xx)
AT (2) AT402295B (xx)
BR (1) BR9510606A (xx)
DE (1) DE59504292D1 (xx)
DK (1) DK0799213T3 (xx)
ES (1) ES2124034T3 (xx)
HR (1) HRP950605B1 (xx)
IL (1) IL116516A (xx)
NZ (1) NZ298044A (xx)
PL (1) PL187434B1 (xx)
RO (1) RO115521B1 (xx)
RU (1) RU2161610C2 (xx)
TW (1) TW299324B (xx)
WO (1) WO1996020183A1 (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
NL1003328C2 (nl) 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) * 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
ES2197470T3 (es) 1997-05-21 2004-01-01 Dsm Ip Assets B.V. Metodo para preparar melamina.
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
KR100495264B1 (ko) 1997-05-28 2005-06-14 코닌클리즈케 디에스엠 엔.브이. 멜라민의 제조방법
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
DE69837432T2 (de) * 1997-06-02 2007-12-13 Dsm Ip Assets B.V. Kristallines melamin
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
WO1998055466A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
US6355797B2 (en) 1998-01-30 2002-03-12 Agrolinz Melamin Gmbh Process for cooling melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
KR100575020B1 (ko) * 1998-12-23 2006-05-02 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 멜라민의 정제방법
AU6697600A (en) * 1999-07-27 2001-02-13 Agrolinz Melamin Gmbh Method for producing solid melamine
RU2417992C2 (ru) * 2009-07-20 2011-05-10 Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина

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
GB1003277A (en) * 1963-07-10 1965-09-02 Nissan Chemical Ind Ltd Process and apparatus for the production and separation of melamine
DE2522233A1 (de) * 1975-05-20 1976-12-02 Bollmann L Kg Maschine zum stapeln von flaechigen gegenstaenden, insbesondere brettern

Also Published As

Publication number Publication date
HRP950605A2 (en) 1997-10-31
WO1996020183A1 (de) 1996-07-04
PL320790A1 (en) 1997-10-27
DK0799213T3 (da) 1999-08-02
DE59504292D1 (de) 1998-12-24
IL116516A0 (en) 1996-03-31
ATE173474T1 (de) 1998-12-15
HRP950605B1 (en) 1999-12-31
EP0799213B1 (de) 1998-11-18
BR9510606A (pt) 1999-02-23
ATA239394A (de) 1996-08-15
RO115521B1 (ro) 2000-03-30
AT402295B (de) 1997-03-25
CN1171103A (zh) 1998-01-21
EP0799213A1 (de) 1997-10-08
RU2161610C2 (ru) 2001-01-10
TW299324B (xx) 1997-03-01
PL187434B1 (pl) 2004-07-30
ES2124034T3 (es) 1999-01-16
CN1068315C (zh) 2001-07-11
NZ298044A (en) 1999-07-29
JPH10511369A (ja) 1998-11-04
KR100374731B1 (ko) 2003-06-09

Similar Documents

Publication Publication Date Title
IL116516A (en) Process for the purification of melamine
TW334429B (en) Melamine of improved purity produced by high-pressure,non-catalytic process
MY112743A (en) Process for the production of highly pure melamine
MX9804435A (es) Proceso para la preparacion de melamina pura.
RU97112395A (ru) Способ очистки меламина
MY112732A (en) Production of anionic surfactant granules by in situ neutralisation
RO118201B1 (ro) Procedeu de purificare a melaminei
TW362094B (en) Process for preparing N-methyl-N'-nitroguanidine
PL349442A1 (en) Method for purifying melamine
AU7619794A (en) Improvements in or relating to sulphur production from sulphur-bearing gas streams
FR2758475B1 (fr) Procede et installation de production d'hydrogene de haute purete
ZA941937B (en) Process for the production of synthesis gas
EP0628513A3 (en) Production of synthesis gas in a fluidized bed at high temperature.
JPS5419966A (en) Production of pyroglutamine peptide
Mori et al. Shape Memory Alloy and Method for Producing Same
TH23420A (th) กระบวนการสำหรับทำให้เมลามีนบริสุทธิ์
TW372966B (en) Method for preparation of melamine
TW334350B (en) The producing method for ultra-filter Alumina tube filters
HU911094D0 (en) Process for the production of ammonia synthesis gas
RU96112134A (ru) Способ повышения чистоты меламина
WO2000050394A3 (en) A process for recovering caprolactam and steam
MX9603380A (es) Polioles de polieter de alto peso molecular, de bajo olor, un proceso para la produccion de los mismos y su uso para la produccion de polimeros, cosmeticos y productos farmaceuticos sintetizados a partir de polioles de polieter.
JPS5575914A (en) Ammonia and urea production combined process
TH20646A (th) กระบวนการสำหรับทำให้เมลามีนบริสุทธิ์
ES2139497A1 (es) Procedimiento de purificacion de mullita por reduccion de impurezas a especies volatiles.

Legal Events

Date Code Title Description
FF Patent granted
MM9K Patent not in force due to non-payment of renewal fees