NO321873B1 - Fremgangsmate for fremstilling av melamin - Google Patents
Fremgangsmate for fremstilling av melamin Download PDFInfo
- Publication number
- NO321873B1 NO321873B1 NO20021600A NO20021600A NO321873B1 NO 321873 B1 NO321873 B1 NO 321873B1 NO 20021600 A NO20021600 A NO 20021600A NO 20021600 A NO20021600 A NO 20021600A NO 321873 B1 NO321873 B1 NO 321873B1
- Authority
- NO
- Norway
- Prior art keywords
- pressure
- melamine
- stripping
- mpa
- cooling
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 94
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 19
- 239000004202 carbamide Substances 0.000 abstract description 19
- 238000002360 preparation method Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 58
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 23
- 235000013877 carbamide Nutrition 0.000 description 19
- 241000196324 Embryophyta Species 0.000 description 12
- 230000008901 benefit Effects 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229920006395 saturated elastomer Polymers 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
- 239000006227 byproduct 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
- 238000002156 mixing Methods 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 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 1
- 230000032683 aging Effects 0.000 description 1
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 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
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- -1 melam and melem Chemical compound 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 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
-
- 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
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)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Degasification And Air Bubble Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1013217A NL1013217C2 (nl) | 1999-10-05 | 1999-10-05 | Werkwijze voor de bereiding van melamine. |
| PCT/NL2000/000646 WO2001025221A1 (en) | 1999-10-05 | 2000-09-12 | Process for the preparation of melamine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20021600D0 NO20021600D0 (no) | 2002-04-04 |
| NO20021600L NO20021600L (no) | 2002-06-05 |
| NO321873B1 true NO321873B1 (no) | 2006-07-17 |
Family
ID=19769995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20021600A NO321873B1 (no) | 1999-10-05 | 2002-04-04 | Fremgangsmate for fremstilling av melamin |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6664392B2 (de) |
| EP (1) | EP1224176B1 (de) |
| JP (1) | JP2003511379A (de) |
| KR (1) | KR100679793B1 (de) |
| CN (1) | CN1157385C (de) |
| AT (1) | ATE295840T1 (de) |
| AU (1) | AU780442B2 (de) |
| CA (1) | CA2386219C (de) |
| DE (1) | DE60020258T2 (de) |
| EA (1) | EA004054B1 (de) |
| ES (1) | ES2239616T3 (de) |
| NL (1) | NL1013217C2 (de) |
| NO (1) | NO321873B1 (de) |
| PL (1) | PL355541A1 (de) |
| TW (1) | TW498069B (de) |
| WO (1) | WO2001025221A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410793B (de) * | 2000-12-27 | 2003-07-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
| CN108871027B (zh) * | 2017-05-10 | 2020-08-14 | 尹明大 | 一种三聚氰胺热气冷却器及热气过滤器的化学再生方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| AT403579B (de) * | 1995-12-07 | 1998-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
| NL1003105C2 (nl) * | 1996-05-14 | 1997-11-18 | Dsm Nv | Werkwijze voor de bereiding van melamine. |
-
1999
- 1999-10-05 NL NL1013217A patent/NL1013217C2/nl not_active IP Right Cessation
-
2000
- 2000-09-05 TW TW089118156A patent/TW498069B/zh not_active IP Right Cessation
- 2000-09-12 AT AT00964775T patent/ATE295840T1/de not_active IP Right Cessation
- 2000-09-12 EP EP00964775A patent/EP1224176B1/de not_active Revoked
- 2000-09-12 WO PCT/NL2000/000646 patent/WO2001025221A1/en active IP Right Grant
- 2000-09-12 PL PL00355541A patent/PL355541A1/xx not_active Application Discontinuation
- 2000-09-12 JP JP2001528167A patent/JP2003511379A/ja not_active Withdrawn
- 2000-09-12 CN CNB008163774A patent/CN1157385C/zh not_active Expired - Fee Related
- 2000-09-12 CA CA002386219A patent/CA2386219C/en not_active Expired - Fee Related
- 2000-09-12 KR KR1020027004331A patent/KR100679793B1/ko not_active IP Right Cessation
- 2000-09-12 ES ES00964775T patent/ES2239616T3/es not_active Expired - Lifetime
- 2000-09-12 AU AU75610/00A patent/AU780442B2/en not_active Ceased
- 2000-09-12 EA EA200200423A patent/EA004054B1/ru not_active IP Right Cessation
- 2000-09-12 DE DE60020258T patent/DE60020258T2/de not_active Expired - Fee Related
-
2002
- 2002-04-04 NO NO20021600A patent/NO321873B1/no not_active IP Right Cessation
- 2002-04-05 US US10/116,757 patent/US6664392B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NO20021600D0 (no) | 2002-04-04 |
| US6664392B2 (en) | 2003-12-16 |
| EA200200423A1 (ru) | 2002-10-31 |
| ES2239616T3 (es) | 2005-10-01 |
| CA2386219C (en) | 2008-05-06 |
| KR100679793B1 (ko) | 2007-02-07 |
| KR20020034210A (ko) | 2002-05-08 |
| EP1224176B1 (de) | 2005-05-18 |
| TW498069B (en) | 2002-08-11 |
| AU7561000A (en) | 2001-05-10 |
| DE60020258D1 (de) | 2005-06-23 |
| CN1402714A (zh) | 2003-03-12 |
| CA2386219A1 (en) | 2001-04-12 |
| CN1157385C (zh) | 2004-07-14 |
| DE60020258T2 (de) | 2006-01-12 |
| NL1013217C2 (nl) | 2001-04-06 |
| US20030004343A1 (en) | 2003-01-02 |
| WO2001025221A1 (en) | 2001-04-12 |
| EP1224176A1 (de) | 2002-07-24 |
| EA004054B1 (ru) | 2003-12-25 |
| JP2003511379A (ja) | 2003-03-25 |
| AU780442B2 (en) | 2005-03-24 |
| ATE295840T1 (de) | 2005-06-15 |
| NO20021600L (no) | 2002-06-05 |
| PL355541A1 (en) | 2004-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2161608C2 (ru) | Некаталитический способ получения меламина повышенной чистоты при высоком давлении | |
| EP0923541B1 (de) | Verfahren zur herstellung von harnstoff | |
| NO312545B1 (no) | Fremgangsmåte ved fremstilling av urea | |
| EP0706519B1 (de) | Verfahren zur herstellung von melamin | |
| MY138822A (en) | Improved procedure for the production of high-purity melamine with high yields | |
| EP1317435B1 (de) | Verfahren zur herstellung von hochreinem melamin aus harnstoff | |
| EP2521710A1 (de) | Harnstoffwäscheverfahren zur herstellung von harnstoff | |
| NO321873B1 (no) | Fremgangsmate for fremstilling av melamin | |
| AU2001234239B2 (en) | Process for preparing melamine from urea | |
| AU2001234239A1 (en) | Process for preparing melamine from urea | |
| ES2217750T3 (es) | Metodo para preparar melanina. | |
| US6380385B1 (en) | Process for the preparation of pure melamine | |
| AU2001234240B2 (en) | Process for preparing melamine from urea | |
| EP1688411A1 (de) | Verfahren zur Herstellung von Melamin | |
| MXPA99002019A (en) | Process for the preparation of urea | |
| MXPA99007028A (en) | Process for preparing urea | |
| AU2001234240A1 (en) | Process for preparing melamine from urea |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |