NL1003328C2 - Werkwijze voor het bereiden van melamine. - Google Patents
Werkwijze voor het bereiden van melamine. Download PDFInfo
- Publication number
- NL1003328C2 NL1003328C2 NL1003328A NL1003328A NL1003328C2 NL 1003328 C2 NL1003328 C2 NL 1003328C2 NL 1003328 A NL1003328 A NL 1003328A NL 1003328 A NL1003328 A NL 1003328A NL 1003328 C2 NL1003328 C2 NL 1003328C2
- Authority
- NL
- Netherlands
- Prior art keywords
- melamine
- reactor
- ammonia
- vessel
- urea
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 101
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000004519 manufacturing process Methods 0.000 title description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 96
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004202 carbamide Substances 0.000 claims abstract description 35
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 17
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 11
- 238000005406 washing Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 230000032683 aging Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 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 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- YSRVJVDFHZYRPA-UHFFFAOYSA-N melem Chemical compound NC1=NC(N23)=NC(N)=NC2=NC(N)=NC3=N1 YSRVJVDFHZYRPA-UHFFFAOYSA-N 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000005484 gravity Effects 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
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003328A NL1003328C2 (nl) | 1996-06-13 | 1996-06-13 | Werkwijze voor het bereiden van melamine. |
| EP97926281A EP0920420B1 (en) | 1996-06-13 | 1997-06-11 | Method for the preparation of melamine |
| AT97926281T ATE234823T1 (de) | 1996-06-13 | 1997-06-11 | Verfahren zur herstellung von melamin |
| ES97926281T ES2195143T3 (es) | 1996-06-13 | 1997-06-11 | Metodo para la preparacion de melamina. |
| AU31085/97A AU720041B2 (en) | 1996-06-13 | 1997-06-11 | Method for the preparation of melamine |
| JP10501483A JP2000511926A (ja) | 1996-06-13 | 1997-06-11 | メラミンの調製法 |
| PCT/NL1997/000333 WO1997047609A1 (en) | 1996-06-13 | 1997-06-11 | Method for the preparation of melamine |
| CNB971970122A CN1165530C (zh) | 1996-06-13 | 1997-06-11 | 蜜胺的制备方法 |
| DE69719996T DE69719996T2 (de) | 1996-06-13 | 1997-06-11 | Verfahren zur herstellung von melamin |
| PL330866A PL190787B1 (pl) | 1996-06-13 | 1997-06-11 | Sposób wytwarzania bardzo czystej stałej melaminy |
| CA002258162A CA2258162C (en) | 1996-06-13 | 1997-06-11 | Method for the preparation of melamine |
| NO19985744A NO311721B1 (no) | 1996-06-13 | 1998-12-08 | Fremgangsmåte ved fremstilling av melamin |
| US09/210,645 US6245909B1 (en) | 1996-06-13 | 1998-12-14 | Method for the preparation of melamine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003328 | 1996-06-13 | ||
| NL1003328A NL1003328C2 (nl) | 1996-06-13 | 1996-06-13 | Werkwijze voor het bereiden van melamine. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL1003328C2 true NL1003328C2 (nl) | 1997-12-17 |
Family
ID=19763010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL1003328A NL1003328C2 (nl) | 1996-06-13 | 1996-06-13 | Werkwijze voor het bereiden van melamine. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6245909B1 (pl) |
| EP (1) | EP0920420B1 (pl) |
| JP (1) | JP2000511926A (pl) |
| CN (1) | CN1165530C (pl) |
| AT (1) | ATE234823T1 (pl) |
| AU (1) | AU720041B2 (pl) |
| DE (1) | DE69719996T2 (pl) |
| ES (1) | ES2195143T3 (pl) |
| NL (1) | NL1003328C2 (pl) |
| NO (1) | NO311721B1 (pl) |
| PL (1) | PL190787B1 (pl) |
| WO (1) | WO1997047609A1 (pl) |
Families Citing this family (14)
| 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 |
| 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 |
| NL1006192C2 (nl) | 1997-06-02 | 1998-12-03 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| CA2292597A1 (en) * | 1997-06-02 | 1998-12-10 | Dsm N.V. | Method for preparing melamine |
| NL1008571C2 (nl) * | 1998-03-12 | 1999-07-28 | Dsm Nv | Kristallijn melamine. |
| EP1035117A1 (en) * | 1999-03-08 | 2000-09-13 | Dsm N.V. | Method for preparing melamine from urea |
| DE50010873D1 (de) | 1999-03-15 | 2005-09-08 | Ami Agrolinz Melamine Int Gmbh | Verfahren zur herstellung von festem melamin |
| EP1138676A1 (en) | 2000-03-27 | 2001-10-04 | Casale Chemicals SA | Process for producing melamine at high pureness |
| DE10030453B4 (de) * | 2000-06-21 | 2007-07-12 | Faramarz Bairamijamal | Verfahren zur Herstellung von hoch reinem Melamin nach trockener Aufbereitung |
| AT410793B (de) * | 2000-12-27 | 2003-07-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
| EP1461139B1 (de) * | 2001-11-16 | 2005-08-31 | AMI Agrolinz Melamine International GmbH | Verfahren zur reinigung von offgasen einer melaminanlage |
| ITMI20021026A1 (it) * | 2002-05-14 | 2003-11-14 | Eurotecnica Dev & Licensing S | Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione |
| CN115944942B (zh) * | 2022-12-06 | 2024-04-12 | 四川金象赛瑞化工股份有限公司 | 一种氰胺类物质的制备方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3166294A (en) * | 1961-05-01 | 1965-01-19 | Ford Motor Co | Butterfly valve |
| NL8403843A (nl) * | 1984-01-05 | 1985-08-01 | Melamine Chemicals Inc | Proces voor het bereiden van melamine. |
| WO1996020182A1 (de) * | 1994-12-23 | 1996-07-04 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
| WO1996020183A1 (de) * | 1994-12-23 | 1996-07-04 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| WO1996023778A1 (de) * | 1995-02-03 | 1996-08-08 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| EP0747366A2 (en) * | 1995-06-07 | 1996-12-11 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| US5514797A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Method for increasing purity of melamine |
-
1996
- 1996-06-13 NL NL1003328A patent/NL1003328C2/nl not_active IP Right Cessation
-
1997
- 1997-06-11 CN CNB971970122A patent/CN1165530C/zh not_active Expired - Fee Related
- 1997-06-11 EP EP97926281A patent/EP0920420B1/en not_active Expired - Lifetime
- 1997-06-11 AU AU31085/97A patent/AU720041B2/en not_active Ceased
- 1997-06-11 AT AT97926281T patent/ATE234823T1/de not_active IP Right Cessation
- 1997-06-11 WO PCT/NL1997/000333 patent/WO1997047609A1/en not_active Ceased
- 1997-06-11 JP JP10501483A patent/JP2000511926A/ja not_active Ceased
- 1997-06-11 ES ES97926281T patent/ES2195143T3/es not_active Expired - Lifetime
- 1997-06-11 PL PL330866A patent/PL190787B1/pl not_active IP Right Cessation
- 1997-06-11 DE DE69719996T patent/DE69719996T2/de not_active Expired - Lifetime
-
1998
- 1998-12-08 NO NO19985744A patent/NO311721B1/no not_active IP Right Cessation
- 1998-12-14 US US09/210,645 patent/US6245909B1/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3166294A (en) * | 1961-05-01 | 1965-01-19 | Ford Motor Co | Butterfly valve |
| NL8403843A (nl) * | 1984-01-05 | 1985-08-01 | Melamine Chemicals Inc | Proces voor het bereiden van melamine. |
| WO1996020182A1 (de) * | 1994-12-23 | 1996-07-04 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
| WO1996020183A1 (de) * | 1994-12-23 | 1996-07-04 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| WO1996023778A1 (de) * | 1995-02-03 | 1996-08-08 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
| EP0747366A2 (en) * | 1995-06-07 | 1996-12-11 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
Also Published As
| Publication number | Publication date |
|---|---|
| NO985744L (no) | 1999-01-29 |
| EP0920420A1 (en) | 1999-06-09 |
| JP2000511926A (ja) | 2000-09-12 |
| AU3108597A (en) | 1998-01-07 |
| ES2195143T3 (es) | 2003-12-01 |
| CN1165530C (zh) | 2004-09-08 |
| PL330866A1 (en) | 1999-06-07 |
| WO1997047609A1 (en) | 1997-12-18 |
| EP0920420B1 (en) | 2003-03-19 |
| PL190787B1 (pl) | 2006-01-31 |
| ATE234823T1 (de) | 2003-04-15 |
| AU720041B2 (en) | 2000-05-25 |
| NO311721B1 (no) | 2002-01-14 |
| CN1227549A (zh) | 1999-09-01 |
| NO985744D0 (no) | 1998-12-08 |
| DE69719996T2 (de) | 2004-01-08 |
| US6245909B1 (en) | 2001-06-12 |
| DE69719996D1 (de) | 2003-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AD1B | A search report has been drawn up | ||
| PD2B | A search report has been drawn up | ||
| VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20010101 |