NO323867B1 - Fremgangsmate ved fremstilling av melamin fra urea - Google Patents
Fremgangsmate ved fremstilling av melamin fra urea Download PDFInfo
- Publication number
- NO323867B1 NO323867B1 NO20023620A NO20023620A NO323867B1 NO 323867 B1 NO323867 B1 NO 323867B1 NO 20023620 A NO20023620 A NO 20023620A NO 20023620 A NO20023620 A NO 20023620A NO 323867 B1 NO323867 B1 NO 323867B1
- Authority
- NO
- Norway
- Prior art keywords
- melamine
- cooling
- zone
- absorption zone
- urea
- Prior art date
Links
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 35
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000004202 carbamide Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 30
- 238000001816 cooling Methods 0.000 claims abstract description 34
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002826 coolant Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 43
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910001868 water Inorganic materials 0.000 claims description 24
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 238000005201 scrubbing Methods 0.000 claims description 8
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012452 mother liquor Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 150000003839 salts Chemical class 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1014281A NL1014281C2 (nl) | 2000-02-03 | 2000-02-03 | Werkwijze voor de bereiding van melamine uit ureum. |
| PCT/NL2001/000046 WO2001056999A1 (en) | 2000-02-03 | 2001-01-23 | Process for preparing melamine from urea |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20023620D0 NO20023620D0 (no) | 2002-07-30 |
| NO20023620L NO20023620L (no) | 2002-07-30 |
| NO323867B1 true NO323867B1 (no) | 2007-07-16 |
Family
ID=19770742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20023620A NO323867B1 (no) | 2000-02-03 | 2002-07-30 | Fremgangsmate ved fremstilling av melamin fra urea |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6835834B2 (pl) |
| EP (1) | EP1252148B1 (pl) |
| JP (1) | JP2003521539A (pl) |
| KR (1) | KR100703547B1 (pl) |
| CN (1) | CN1262546C (pl) |
| AT (1) | ATE299137T1 (pl) |
| AU (2) | AU3423901A (pl) |
| CA (1) | CA2398986A1 (pl) |
| DE (1) | DE60111824T2 (pl) |
| EA (1) | EA005129B1 (pl) |
| ES (1) | ES2245350T3 (pl) |
| MX (1) | MXPA02007551A (pl) |
| NL (1) | NL1014281C2 (pl) |
| NO (1) | NO323867B1 (pl) |
| PL (1) | PL207030B1 (pl) |
| RO (1) | RO120910B1 (pl) |
| TW (1) | TW526196B (pl) |
| WO (1) | WO2001056999A1 (pl) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1019913C2 (nl) * | 2002-02-07 | 2003-08-08 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| EP1688411A1 (en) * | 2005-02-04 | 2006-08-09 | DSM IP Assets B.V. | Process for the preparation of melamine |
| EA201070769A1 (ru) * | 2007-12-20 | 2010-12-30 | ДСМ Ай Пи ЭССЕТС Б.В. | Способ получения меламина |
| WO2009132750A1 (en) * | 2008-04-29 | 2009-11-05 | Dsm Ip Assets B.V. | Process for recovering solid melamine |
| EP3208264A1 (en) * | 2016-02-19 | 2017-08-23 | Casale SA | Method for revamping a high pressure melamine plant |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239522A (en) * | 1963-03-12 | 1966-03-08 | Chemical Construction Corp | Synthesis of urea and melamine |
| NL6801577A (pl) * | 1968-02-02 | 1969-08-05 | ||
| NL6919152A (pl) * | 1969-12-20 | 1971-06-22 | ||
| NL8204979A (nl) * | 1982-12-24 | 1984-07-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het bepalen en regelen van de samenstelling van waterige oplossingen van nh3 en co2. |
| JPH06184085A (ja) * | 1992-12-22 | 1994-07-05 | Toyo Eng Corp | カルバミン酸アンモニウム溶液の分析法およびそれを用いた尿素プラントの制御方法 |
| US5384404A (en) * | 1993-11-05 | 1995-01-24 | Lee; Jing M. | Process for manufacturing melamine from urea |
| JPH08291130A (ja) * | 1995-04-25 | 1996-11-05 | Toyo Eng Corp | 尿素製造方法 |
-
2000
- 2000-02-03 NL NL1014281A patent/NL1014281C2/nl not_active IP Right Cessation
-
2001
- 2001-01-23 EA EA200200828A patent/EA005129B1/ru not_active IP Right Cessation
- 2001-01-23 JP JP2001556849A patent/JP2003521539A/ja not_active Ceased
- 2001-01-23 RO ROA200201070A patent/RO120910B1/ro unknown
- 2001-01-23 DE DE60111824T patent/DE60111824T2/de not_active Expired - Lifetime
- 2001-01-23 PL PL356322A patent/PL207030B1/pl unknown
- 2001-01-23 ES ES01906411T patent/ES2245350T3/es not_active Expired - Lifetime
- 2001-01-23 AU AU3423901A patent/AU3423901A/xx active Pending
- 2001-01-23 CN CNB018044336A patent/CN1262546C/zh not_active Expired - Fee Related
- 2001-01-23 CA CA002398986A patent/CA2398986A1/en not_active Abandoned
- 2001-01-23 EP EP01906411A patent/EP1252148B1/en not_active Expired - Lifetime
- 2001-01-23 MX MXPA02007551A patent/MXPA02007551A/es active IP Right Grant
- 2001-01-23 AU AU2001234239A patent/AU2001234239B2/en not_active Ceased
- 2001-01-23 WO PCT/NL2001/000046 patent/WO2001056999A1/en active IP Right Grant
- 2001-01-23 KR KR1020027009906A patent/KR100703547B1/ko not_active IP Right Cessation
- 2001-01-23 AT AT01906411T patent/ATE299137T1/de active
- 2001-01-29 TW TW090101686A patent/TW526196B/zh not_active IP Right Cessation
-
2002
- 2002-07-30 NO NO20023620A patent/NO323867B1/no not_active IP Right Cessation
- 2002-08-02 US US10/210,877 patent/US6835834B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1262546C (zh) | 2006-07-05 |
| EP1252148A1 (en) | 2002-10-30 |
| PL207030B1 (pl) | 2010-10-29 |
| EA200200828A1 (ru) | 2003-02-27 |
| NO20023620D0 (no) | 2002-07-30 |
| NL1014281C2 (nl) | 2001-08-06 |
| JP2003521539A (ja) | 2003-07-15 |
| NO20023620L (no) | 2002-07-30 |
| CA2398986A1 (en) | 2001-08-09 |
| US20030050473A1 (en) | 2003-03-13 |
| KR100703547B1 (ko) | 2007-04-03 |
| DE60111824D1 (de) | 2005-08-11 |
| DE60111824T2 (de) | 2006-04-27 |
| KR20020073571A (ko) | 2002-09-27 |
| PL356322A1 (pl) | 2004-06-28 |
| EP1252148B1 (en) | 2005-07-06 |
| AU2001234239B2 (en) | 2006-05-11 |
| EA005129B1 (ru) | 2004-12-30 |
| ATE299137T1 (de) | 2005-07-15 |
| WO2001056999A1 (en) | 2001-08-09 |
| ES2245350T3 (es) | 2006-01-01 |
| US6835834B2 (en) | 2004-12-28 |
| RO120910B1 (ro) | 2006-09-29 |
| CN1396913A (zh) | 2003-02-12 |
| TW526196B (en) | 2003-04-01 |
| MXPA02007551A (es) | 2002-12-13 |
| AU3423901A (en) | 2001-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO312291B1 (no) | Fremgangsmåte ved fremstilling av urea, et ureastrippeanlegg for fremstilling av urea og et apparat for syntese av urea ogmelamin | |
| TWI255814B (en) | Improved procedure for the production of high-purity melamine with high yields | |
| NO163098B (no) | Fremgangsmaate ved fremstilling av urea. | |
| NO323867B1 (no) | Fremgangsmate ved fremstilling av melamin fra urea | |
| US20010041813A1 (en) | Process for the preparation of urea | |
| AU2001234239A1 (en) | Process for preparing melamine from urea | |
| NO161315B (no) | Fremgangsmaate ved fremstilling av urea. | |
| NO323864B1 (no) | Fremgangsmate ved fremstilling av melamin fra urea | |
| CA2473224C (en) | Process for the preparation of urea | |
| RU2811862C1 (ru) | Способ и установка для получения карбамида | |
| AU2001234240A1 (en) | Process for preparing melamine from urea | |
| CA2595866C (en) | Process for the preparation of melamine | |
| NO321873B1 (no) | Fremgangsmate for fremstilling av melamin | |
| WO2024112196A1 (en) | Coupled urea melamine plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |