SK74998A3 - Process for producing pure melamine - Google Patents

Process for producing pure melamine Download PDF

Info

Publication number: SK74998A3
Authority: SK; Slovakia
Prior art keywords: melamine; ammonia; temperature; pressure; partial pressure
Prior art date: 1995-12-07

Application number

SK749-98A

Other languages

English (en)

Slovak (sk)

Inventor

Lorenzo Canzi

Gerhard Coufal

Martin Mullner

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.)

1995-12-07

Filing date

1996-12-04

Publication date

1998-11-04

1996-12-04 Application filed by Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh

1998-11-04 Publication of SK74998A3 publication Critical patent/SK74998A3/sk

Links

229920000877 Melamine resin Polymers 0.000 title claims abstract description 99
JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 98
238000000034 method Methods 0.000 title claims abstract description 30
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 102
229910021529 ammonia Inorganic materials 0.000 claims abstract description 44
239000007788 liquid Substances 0.000 claims abstract description 21
239000007787 solid Substances 0.000 claims abstract description 12
238000007710 freezing Methods 0.000 claims description 16
230000008014 freezing Effects 0.000 claims description 14
238000004519 manufacturing process Methods 0.000 claims description 10
229920006395 saturated elastomer Polymers 0.000 claims description 2
238000001816 cooling Methods 0.000 abstract description 20
230000001419 dependent effect Effects 0.000 abstract 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 11
YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 description 9
239000007789 gas Substances 0.000 description 7
229910002092 carbon dioxide Inorganic materials 0.000 description 6
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
239000004202 carbamide Substances 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 5
229910000069 nitrogen hydride Inorganic materials 0.000 description 4
230000001934 delay Effects 0.000 description 3
239000012535 impurity Substances 0.000 description 3
239000007791 liquid phase Substances 0.000 description 3
239000000155 melt Substances 0.000 description 3
239000000047 product Substances 0.000 description 3
238000007711 solidification Methods 0.000 description 3
230000008023 solidification Effects 0.000 description 3
239000000126 substance Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
239000003054 catalyst Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000000843 powder Substances 0.000 description 2
238000010791 quenching Methods 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
239000011541 reaction mixture Substances 0.000 description 2
238000000926 separation method Methods 0.000 description 2
238000005507 spraying Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
101000797621 Rattus norvegicus Ameloblastin Proteins 0.000 description 1
JHEXGENUDVZLKI-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]urea Chemical compound NC(=O)NNC1=NC(N)=NC(N)=N1 JHEXGENUDVZLKI-UHFFFAOYSA-N 0.000 description 1
-1 amelide Chemical compound 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
239000012459 cleaning agent Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
238000011067 equilibration Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
150000007974 melamines Chemical class 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000012071 phase Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
239000012265 solid product Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
238000005979 thermal decomposition reaction Methods 0.000 description 1
238000011282 treatment Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1

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
- 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)
Processes Of Treating Macromolecular Substances (AREA)
Sorption Type Refrigeration Machines (AREA)

SK749-98A 1995-12-07 1996-12-04 Process for producing pure melamine SK74998A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0199495A AT403579B (de)	1995-12-07	1995-12-07	Verfahren zur herstellung von hochreinem melamin
PCT/EP1996/005389 WO1997020826A1 (fr)	1995-12-07	1996-12-04	Procede pour produire de la melamine pure

Publications (1)

Publication Number	Publication Date
SK74998A3 true SK74998A3 (en)	1998-11-04

Family

ID=3525542

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SK749-98A SK74998A3 (en)	1995-12-07	1996-12-04	Process for producing pure melamine

Country Status (29)

Country	Link
EP (1)	EP0874832B1 (fr)
JP (1)	JP2000501404A (fr)
KR (1)	KR100462920B1 (fr)
CN (1)	CN1067995C (fr)
AR (1)	AR004873A1 (fr)
AT (2)	AT403579B (fr)
AU (1)	AU709030B2 (fr)
BG (1)	BG102504A (fr)
BR (1)	BR9611892A (fr)
CA (1)	CA2239542A1 (fr)
CO (1)	CO4770995A1 (fr)
DE (1)	DE59609075D1 (fr)
DZ (1)	DZ2135A1 (fr)
EA (1)	EA000931B1 (fr)
EG (1)	EG20917A (fr)
HR (1)	HRP960575A2 (fr)
HU (1)	HUP9904406A3 (fr)
IL (1)	IL124630A0 (fr)
MX (1)	MX9804435A (fr)
MY (1)	MY112761A (fr)
NO (1)	NO309982B1 (fr)
NZ (1)	NZ324297A (fr)
PL (1)	PL189811B1 (fr)
SK (1)	SK74998A3 (fr)
TR (1)	TR199801029T2 (fr)
TW (1)	TW341567B (fr)
UA (1)	UA46072C2 (fr)
WO (1)	WO1997020826A1 (fr)
ZA (1)	ZA9610295B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1006095C2 (nl) *	1997-05-21	1998-11-25	Dsm Nv	Werkwijze voor het bereiden van melamine.
AU728549B2 (en)	1997-05-21	2001-01-11	Dsm Ip Assets B.V.	Method for preparing melamine
JP2002500664A (ja) *	1997-05-28	2002-01-08	ディーエスエムエヌ．ブイ．	メラミンの製造法
NL1006147C2 (nl) *	1997-05-28	1998-12-01	Dsm Nv	Werkwijze voor het bereiden van melamine.
AU731077B2 (en) *	1997-06-02	2001-03-22	Dsm Ip Assets B.V.	Crystalline melamine
CA2292597A1 (fr) *	1997-06-02	1998-12-10	Dsm N.V.	Procede servant a preparer de la melamine
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.
NL1008571C2 (nl) *	1998-03-12	1999-07-28	Dsm Nv	Kristallijn melamine.
ES2209560T3 (es) *	1998-11-13	2004-06-16	Ami Agrolinz Melamine International Gmbh	Procedimiento para la obtencion de melamina pura.
CZ20012301A3 (cs)	1998-12-23	2002-03-13	Agrolinz Melamin Gmbh	Způsob čiątění melaminu
EP1035117A1 (fr) *	1999-03-08	2000-09-13	Dsm N.V.	Procédé pour la préparation de la mélamine a partir d'urée
DE50010873D1 (de)	1999-03-15	2005-09-08	Ami Agrolinz Melamine Int Gmbh	Verfahren zur herstellung von festem melamin
PL353098A1 (en) *	1999-07-27	2003-10-20	Agrolinz Melamin Gmbh	Method for producing solid melamine
NL1013217C2 (nl) *	1999-10-05	2001-04-06	Dsm Nv	Werkwijze voor de bereiding van melamine.
EP1138676A1 (fr)	2000-03-27	2001-10-04	Casale Chemicals SA	Procédé pour la préparation de mélamine de haute pureté
AT410210B (de) *	2000-08-07	2003-03-25	Agrolinz Melamin Gmbh	Verfahren zur herstellung von melamin
AT500297B8 (de) *	2000-11-08	2007-02-15	Agrolinz Melamin Gmbh	Verfahren zur reinigung von melaminhältigen ammoniak
AT410793B (de) *	2000-12-27	2003-07-25	Agrolinz Melamin Gmbh	Verfahren zur herstellung von melamin
US7176309B2 (en)	2001-11-16	2007-02-13	Ami - Agrolinz Melamine International Gmbh	Method for producing melem-free melamine and quenching agents
AT411462B (de) *	2001-12-12	2004-01-26	Agrolinz Melamin Gmbh	Verfahren zur reinigung einer melaminschmelze
FR2843964B1 (fr) *	2002-08-29	2004-10-01	Sanofi Synthelabo	Derives de dioxane-2-alkylcarbamates, leur preparation et leur application en therapeutique
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 (9)

* 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
US3637686A (en) *	1969-02-10	1972-01-25	Nissan Chemical Ind Ltd	Process for recovering purified melamine
DE3546893C3 (de) *	1984-01-05	1998-01-29	Melamine Chemicals Inc	Wasserfreie Hochdruck-Melamin-Synthese
DE3500188C2 (de) *	1984-01-05	1994-08-18	Melamine Chemicals Inc	Wasserfreie Hochdruck-Melamin-Synthese
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
AT402296B (de) *	1995-02-03	1997-03-25	Agrolinz Melamin Gmbh	Verfahren zur reinigung von melamin
US5514796A (en) *	1995-06-07	1996-05-07	Melamine Chemicals, Inc.	Melamine of improved purity produced by high-pressure, non-catalytic process
US5514797A (en) *	1995-06-07	1996-05-07	Melamine Chemicals, Inc.	Method for increasing purity of melamine

1995
- 1995-12-07 AT AT0199495A patent/AT403579B/de active
1996
- 1996-12-02 TW TW085114862A patent/TW341567B/zh active
- 1996-12-03 EG EG106896A patent/EG20917A/xx active
- 1996-12-04 AT AT96942322T patent/ATE215936T1/de not_active IP Right Cessation
- 1996-12-04 EA EA199800532A patent/EA000931B1/ru not_active IP Right Cessation
- 1996-12-04 AU AU11755/97A patent/AU709030B2/en not_active Ceased
- 1996-12-04 DE DE59609075T patent/DE59609075D1/de not_active Expired - Lifetime
- 1996-12-04 KR KR10-1998-0704219A patent/KR100462920B1/ko not_active Expired - Fee Related
- 1996-12-04 TR TR1998/01029T patent/TR199801029T2/xx unknown
- 1996-12-04 JP JP9520981A patent/JP2000501404A/ja active Pending
- 1996-12-04 WO PCT/EP1996/005389 patent/WO1997020826A1/fr not_active Ceased
- 1996-12-04 EP EP96942322A patent/EP0874832B1/fr not_active Expired - Lifetime
- 1996-12-04 NZ NZ324297A patent/NZ324297A/xx unknown
- 1996-12-04 SK SK749-98A patent/SK74998A3/sk unknown
- 1996-12-04 UA UA98063040A patent/UA46072C2/uk unknown
- 1996-12-04 DZ DZ960180A patent/DZ2135A1/fr active
- 1996-12-04 HU HU9904406A patent/HUP9904406A3/hu unknown
- 1996-12-04 BR BR9611892A patent/BR9611892A/pt active Search and Examination
- 1996-12-04 CN CN96198818A patent/CN1067995C/zh not_active Expired - Fee Related
- 1996-12-04 CA CA002239542A patent/CA2239542A1/fr not_active Abandoned
- 1996-12-04 PL PL96327067A patent/PL189811B1/pl not_active IP Right Cessation
- 1996-12-04 MY MYPI96005088A patent/MY112761A/en unknown
- 1996-12-04 IL IL12463096A patent/IL124630A0/xx unknown
- 1996-12-05 HR HRA1994/95A patent/HRP960575A2/hr not_active Application Discontinuation
- 1996-12-05 CO CO96063884A patent/CO4770995A1/es unknown
- 1996-12-06 ZA ZA9610295A patent/ZA9610295B/xx unknown
- 1996-12-06 AR ARP960105520A patent/AR004873A1/es active IP Right Grant
1998
- 1998-05-15 NO NO982251A patent/NO309982B1/no not_active IP Right Cessation
- 1998-06-02 BG BG102504A patent/BG102504A/xx unknown
- 1998-06-04 MX MX9804435A patent/MX9804435A/es unknown

Also Published As

Publication number	Publication date
EG20917A (en)	2000-06-28
AU709030B2 (en)	1999-08-19
EA199800532A1 (ru)	1998-12-24
MX9804435A (es)	1998-09-30
AR004873A1 (es)	1999-03-10
HUP9904406A2 (hu)	2000-05-28
KR100462920B1 (ko)	2005-04-08
UA46072C2 (uk)	2002-05-15
AT403579B (de)	1998-03-25
DE59609075D1 (de)	2002-05-16
CN1067995C (zh)	2001-07-04
WO1997020826A1 (fr)	1997-06-12
IL124630A0 (en)	1998-12-06
ATE215936T1 (de)	2002-04-15
ZA9610295B (en)	1997-06-17
NZ324297A (en)	1999-07-29
NO309982B1 (no)	2001-04-30
TW341567B (en)	1998-10-01
HUP9904406A3 (en)	2000-07-28
EP0874832B1 (fr)	2002-04-10
EP0874832A1 (fr)	1998-11-04
NO982251L (no)	1998-05-15
BG102504A (en)	1999-04-30
TR199801029T2 (xx)	1999-05-21
ATA199495A (de)	1997-08-15
HRP960575A2 (en)	1997-12-31
AU1175597A (en)	1997-06-27
CN1203592A (zh)	1998-12-30
DZ2135A1 (fr)	2002-07-23
MY112761A (en)	2001-08-30
EA000931B1 (ru)	2000-06-26
PL189811B1 (pl)	2005-09-30
PL327067A1 (en)	1998-11-23
KR19990071932A (ko)	1999-09-27
BR9611892A (pt)	1999-02-17
CO4770995A1 (es)	1999-04-30
NO982251D0 (no)	1998-05-15
CA2239542A1 (fr)	1997-06-12
JP2000501404A (ja)	2000-02-08

Publication	Publication Date	Title
US5721363A (en)	1998-02-24	Process for the production of highly pure melamine
KR100462920B1 (ko)	2005-04-08	순수한멜라민의제조방법
EP0923541B1 (fr)	2001-05-23	Procede de preparation d'uree
EP2385043B1 (fr)	2013-07-10	Procédé de consommation basse énergie pour la production de mélamine à grande pureté, par la pyrolyse de l'urée et équipement associé
FI96028C (fi)	1996-04-25	Menetelmä melamiinin valmistamiseksi
US6790956B1 (en)	2004-09-14	Method for producing pure melamine
EP0808836A1 (fr)	1997-11-26	Procédé pour la préparation de mélamine
US5514797A (en)	1996-05-07	Method for increasing purity of melamine
JPH10511369A (ja)	1998-11-04	メラミンの精製法
US6114579A (en)	2000-09-05	Process for the preparation of urea
EP3233792A1 (fr)	2017-10-25	Procédé de production d'urée
US7041822B2 (en)	2006-05-09	Method for purifying a melamine melt
US6380385B1 (en)	2002-04-30	Process for the preparation of pure melamine
KR100575020B1 (ko)	2006-05-02	멜라민의 정제방법
MXPA01004614A (es)	2002-06-05	Metodo para producir melamina pura
MXPA97004638A (en)	1998-11-09	Procedure for the production of high pur melamine