NO890514L - Fremgangsmaate ved fremstilling av urea. - Google Patents
Fremgangsmaate ved fremstilling av urea.Info
- Publication number
- NO890514L NO890514L NO89890514A NO890514A NO890514L NO 890514 L NO890514 L NO 890514L NO 89890514 A NO89890514 A NO 89890514A NO 890514 A NO890514 A NO 890514A NO 890514 L NO890514 L NO 890514L
- Authority
- NO
- Norway
- Prior art keywords
- zone
- urea
- stripping
- carbamate
- solution
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 56
- 239000004202 carbamide Substances 0.000 title claims description 56
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 81
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 230000015572 biosynthetic process Effects 0.000 claims description 43
- 238000009833 condensation Methods 0.000 claims description 42
- 230000005494 condensation Effects 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 36
- 238000003786 synthesis reaction Methods 0.000 claims description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 33
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 30
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 29
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 23
- 229910021529 ammonia Inorganic materials 0.000 claims description 16
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 40
- 239000000243 solution Substances 0.000 description 39
- 239000007788 liquid Substances 0.000 description 13
- 239000011261 inert gas Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000012071 phase Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BYHQTRFJOGIQAO-GOSISDBHSA-N 3-(4-bromophenyl)-8-[(2R)-2-hydroxypropyl]-1-[(3-methoxyphenyl)methyl]-1,3,8-triazaspiro[4.5]decan-2-one Chemical compound C[C@H](CN1CCC2(CC1)CN(C(=O)N2CC3=CC(=CC=C3)OC)C4=CC=C(C=C4)Br)O BYHQTRFJOGIQAO-GOSISDBHSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8800284A NL8800284A (nl) | 1988-02-08 | 1988-02-08 | Werkwijze voor de bereiding van ureum. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO890514D0 NO890514D0 (no) | 1989-02-07 |
| NO890514L true NO890514L (no) | 1989-08-09 |
Family
ID=19851722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO89890514A NO890514L (no) | 1988-02-08 | 1989-02-07 | Fremgangsmaate ved fremstilling av urea. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0329215A1 (hu) |
| CN (1) | CN1035109A (hu) |
| AR (1) | AR244661A1 (hu) |
| AU (1) | AU2970989A (hu) |
| BR (1) | BR8900537A (hu) |
| DD (1) | DD280101A5 (hu) |
| HU (1) | HUT49566A (hu) |
| NL (1) | NL8800284A (hu) |
| NO (1) | NO890514L (hu) |
| TN (1) | TNSN89013A1 (hu) |
| ZA (1) | ZA89937B (hu) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1271435B (it) * | 1993-03-10 | 1997-05-28 | Snam Progetti | Procedimento per la sintesi di urea da ammoniaca e anidride carbonica a conversione totale in anidride carbonica |
| CN1036582C (zh) * | 1993-08-02 | 1997-12-03 | 中国五环化学工程总公司 | 节能、节资、安全型尿素生产工艺及装置 |
| JP3987607B2 (ja) * | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| NL1011123C2 (nl) * | 1999-01-25 | 2000-07-27 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| WO2008068210A1 (en) * | 2006-12-08 | 2008-06-12 | Dsm Ip Assets B.V. | Process for the preparation of urea |
| EP2123634A1 (en) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| EP2123633A1 (en) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
| EP2567953A1 (en) * | 2011-09-09 | 2013-03-13 | Urea Casale SA | A carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant |
| GB2557081B (en) * | 2015-09-08 | 2020-05-13 | Toyo Engineering Corp | Urea manufacturing method and urea manufacturing apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1163783B (it) * | 1983-07-14 | 1987-04-08 | Montedison Spa | Processo per la produzione di urea con bassi consumi di vapore |
| NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1988
- 1988-02-08 NL NL8800284A patent/NL8800284A/nl not_active Application Discontinuation
-
1989
- 1989-02-02 EP EP89200220A patent/EP0329215A1/en not_active Withdrawn
- 1989-02-03 BR BR898900537A patent/BR8900537A/pt unknown
- 1989-02-03 CN CN89100722A patent/CN1035109A/zh active Pending
- 1989-02-07 HU HU89577A patent/HUT49566A/hu unknown
- 1989-02-07 AR AR89313155A patent/AR244661A1/es active
- 1989-02-07 NO NO89890514A patent/NO890514L/no unknown
- 1989-02-07 AU AU29709/89A patent/AU2970989A/en not_active Abandoned
- 1989-02-07 ZA ZA89937A patent/ZA89937B/xx unknown
- 1989-02-07 TN TNTNSN89013A patent/TNSN89013A1/fr unknown
- 1989-02-07 DD DD89325588A patent/DD280101A5/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TNSN89013A1 (fr) | 1991-02-04 |
| NL8800284A (nl) | 1989-09-01 |
| CN1035109A (zh) | 1989-08-30 |
| AR244661A1 (es) | 1993-11-30 |
| EP0329215A1 (en) | 1989-08-23 |
| DD280101A5 (de) | 1990-06-27 |
| HUT49566A (en) | 1989-10-30 |
| NO890514D0 (no) | 1989-02-07 |
| BR8900537A (pt) | 1989-10-03 |
| AU2970989A (en) | 1989-08-10 |
| ZA89937B (en) | 1989-11-29 |
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