NO851044L - Fremgangsmaate ved fremstilling av urea - Google Patents
Fremgangsmaate ved fremstilling av ureaInfo
- Publication number
- NO851044L NO851044L NO851044A NO851044A NO851044L NO 851044 L NO851044 L NO 851044L NO 851044 A NO851044 A NO 851044A NO 851044 A NO851044 A NO 851044A NO 851044 L NO851044 L NO 851044L
- Authority
- NO
- Norway
- Prior art keywords
- urea
- zone
- condensation
- synthesis
- pressure
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000004202 carbamide Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000009833 condensation Methods 0.000 claims abstract description 56
- 230000005494 condensation Effects 0.000 claims abstract description 56
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 54
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 33
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims abstract description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 238000005878 carbamate elimination reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- NMGFRGWSRHOQOP-UHFFFAOYSA-N carbamic acid;urea Chemical compound NC(N)=O.NC(O)=O NMGFRGWSRHOQOP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 36
- 239000007789 gas Substances 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000007017 scission Effects 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)
- Heat Treatment Of Sheet Steel (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catalysts (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Measurement Of Radiation (AREA)
- Compounds Of Unknown Constitution (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8400839A NL8400839A (nl) | 1984-03-16 | 1984-03-16 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO851044L true NO851044L (no) | 1985-09-17 |
Family
ID=19843651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO851044A NO851044L (no) | 1984-03-16 | 1985-03-15 | Fremgangsmaate ved fremstilling av urea |
Country Status (34)
| Country | Link |
|---|---|
| EP (1) | EP0155735B1 (fr) |
| JP (1) | JPS60209555A (fr) |
| KR (1) | KR870001692B1 (fr) |
| CN (2) | CN1010308B (fr) |
| AT (1) | ATE38033T1 (fr) |
| AU (1) | AU579614B2 (fr) |
| BG (1) | BG60247B2 (fr) |
| BR (1) | BR8501156A (fr) |
| CA (1) | CA1330444C (fr) |
| DD (1) | DD232038A1 (fr) |
| DE (1) | DE3565680D1 (fr) |
| EG (1) | EG16600A (fr) |
| ES (1) | ES8602622A1 (fr) |
| FI (1) | FI851046L (fr) |
| GE (1) | GEP19960461B (fr) |
| GR (1) | GR850639B (fr) |
| HU (1) | HUT39721A (fr) |
| IL (1) | IL74522A0 (fr) |
| IN (1) | IN164392B (fr) |
| LT (1) | LT2206B (fr) |
| LV (1) | LV5225A3 (fr) |
| MA (1) | MA20372A1 (fr) |
| MX (1) | MX7357E (fr) |
| NL (1) | NL8400839A (fr) |
| NO (1) | NO851044L (fr) |
| NZ (1) | NZ211460A (fr) |
| PL (1) | PL252389A1 (fr) |
| PT (1) | PT80109B (fr) |
| RO (1) | RO91349B (fr) |
| SU (1) | SU1456009A3 (fr) |
| TR (1) | TR22418A (fr) |
| YU (1) | YU41685A (fr) |
| ZA (1) | ZA851978B (fr) |
| ZW (1) | ZW4185A1 (fr) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8800284A (nl) * | 1988-02-08 | 1989-09-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| US6274767B1 (en) | 1992-11-19 | 2001-08-14 | Urea Casale, S.A. | Process for the revamping of urea synthesis plants consisting of a stripper with ammonia |
| US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
| NL1000416C2 (nl) * | 1995-05-23 | 1996-11-25 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| 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 |
| IT1290423B1 (it) * | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | Procedimento per la sintesi di urea da anidride carbonica e ammoniaca |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
| NL1005118C2 (nl) * | 1997-01-29 | 1998-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1009516C2 (nl) * | 1998-06-29 | 2000-01-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1016643C2 (nl) * | 2000-11-17 | 2002-05-22 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1019081C2 (nl) | 2001-10-01 | 2003-04-02 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| JP4426415B2 (ja) | 2004-10-01 | 2010-03-03 | 東洋エンジニアリング株式会社 | 反応装置 |
| CN101166715B (zh) * | 2005-04-27 | 2011-11-30 | 东洋工程株式会社 | 尿素合成装置及其改造方法 |
| EP2107051A1 (fr) | 2008-04-02 | 2009-10-07 | DSM IP Assets B.V. | Procédé pour augmenter la capacité d'une installation de production d'urée existante |
| EP2123633A1 (fr) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Procédé de fabrication d'urée à partir d'ammoniac et de dioxyde de carbone |
| EP2123634A1 (fr) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Procédé de fabrication d'urée à partir d'ammoniac et de dioxyde de carbone |
| BR112014026866B1 (pt) | 2012-05-03 | 2020-09-24 | Stamicarbon B.V. | Processo e aparelho para a produção de ureia a partir de amônia e dióxido de carbono |
| JPWO2014192823A1 (ja) | 2013-05-28 | 2017-02-23 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
| EP2843304A1 (fr) | 2013-08-29 | 2015-03-04 | Casale SA | Appareil de récupération de chaleur à faisceau tubulaire, à partir d'un flux de processus chaud |
| USD863685S1 (en) | 2017-11-27 | 2019-10-15 | Mary Kay Inc. | Cosmetic compact |
| USD843660S1 (en) | 2017-11-27 | 2019-03-19 | Mary Kay Inc. | Cosmetic compact |
| USD850006S1 (en) | 2017-11-27 | 2019-05-28 | Mary Kay Inc. | Cosmetic compact |
| JP7157684B2 (ja) * | 2019-03-14 | 2022-10-20 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
| WO2021170391A1 (fr) * | 2020-02-25 | 2021-09-02 | Casale Sa | Procédé et installation de synthèse d'urée |
| CN115364808A (zh) * | 2022-07-26 | 2022-11-22 | 哈尔滨工业大学（深圳） | 一种尿素连续合成系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL250349A (fr) * | 1960-04-08 | |||
| NL165712C (nl) * | 1970-05-30 | 1981-05-15 | Stamicarbon | Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese. |
| US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
| AU8825782A (en) * | 1981-09-01 | 1983-03-28 | Unie Van Kunstmestfabrieken B.V. | Process for the preparation of urea |
-
1984
- 1984-03-16 NL NL8400839A patent/NL8400839A/nl not_active Application Discontinuation
-
1985
- 1985-03-06 IL IL74522A patent/IL74522A0/xx unknown
- 1985-03-07 IN IN178/MAS/85A patent/IN164392B/en unknown
- 1985-03-11 MA MA20596A patent/MA20372A1/fr unknown
- 1985-03-11 ZW ZW41/85A patent/ZW4185A1/xx unknown
- 1985-03-12 EG EG159/85A patent/EG16600A/xx active
- 1985-03-12 TR TR11234/85A patent/TR22418A/xx unknown
- 1985-03-14 PT PT80109A patent/PT80109B/pt unknown
- 1985-03-14 BG BG69250A patent/BG60247B2/xx unknown
- 1985-03-14 CA CA000476485A patent/CA1330444C/fr not_active Expired - Lifetime
- 1985-03-14 GR GR850639A patent/GR850639B/el unknown
- 1985-03-15 AT AT85200387T patent/ATE38033T1/de not_active IP Right Cessation
- 1985-03-15 SU SU853873452A patent/SU1456009A3/ru active
- 1985-03-15 AU AU39893/85A patent/AU579614B2/en not_active Ceased
- 1985-03-15 DD DD85274164A patent/DD232038A1/xx unknown
- 1985-03-15 ZA ZA851978A patent/ZA851978B/xx unknown
- 1985-03-15 NZ NZ211460A patent/NZ211460A/en unknown
- 1985-03-15 BR BR8501156A patent/BR8501156A/pt not_active IP Right Cessation
- 1985-03-15 NO NO851044A patent/NO851044L/no unknown
- 1985-03-15 HU HU85976A patent/HUT39721A/hu unknown
- 1985-03-15 EP EP85200387A patent/EP0155735B1/fr not_active Expired
- 1985-03-15 RO RO118002A patent/RO91349B/ro unknown
- 1985-03-15 DE DE8585200387T patent/DE3565680D1/de not_active Expired
- 1985-03-15 JP JP60050691A patent/JPS60209555A/ja active Pending
- 1985-03-15 FI FI851046A patent/FI851046L/fi not_active Application Discontinuation
- 1985-03-15 MX MX8511479U patent/MX7357E/es unknown
- 1985-03-15 ES ES541294A patent/ES8602622A1/es not_active Expired
- 1985-03-15 KR KR1019850001673A patent/KR870001692B1/ko not_active IP Right Cessation
- 1985-03-15 YU YU00416/85A patent/YU41685A/xx unknown
- 1985-03-15 PL PL25238985A patent/PL252389A1/xx unknown
- 1985-04-01 CN CN85101703A patent/CN1010308B/zh not_active Expired
- 1985-04-01 CN CN198585100951A patent/CN85100951A/zh active Pending
-
1993
- 1993-05-06 LV LV930297A patent/LV5225A3/xx unknown
- 1993-06-21 GE GEAP1993910A patent/GEP19960461B/en unknown
- 1993-06-30 LT LTRP725A patent/LT2206B/xx not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO851044L (no) | Fremgangsmaate ved fremstilling av urea | |
| NO141046B (no) | U innretning for belegning av sidekanter paa et flerglassvind | |
| US4053507A (en) | Method of recovering unreacted materials and heat in urea synthesis | |
| US6231827B1 (en) | Process for combined production of ammonia and urea | |
| CA2174016C (fr) | Procede et dispositif de recuperation de l'uree en vapeur lors de la concentration d'uree sous vide | |
| JPS6116384B2 (fr) | ||
| HU188717B (en) | Method for removing the urea, ammonia and carbon dioxide from lean aqueous solution | |
| US3155722A (en) | Recovery of residual ammonia and carbon dioxide in the synthesis of urea | |
| NO148485B (no) | Plastbeholder, spesielt til lagring av fyringsolje og lignende. | |
| NO163098B (no) | Fremgangsmaate ved fremstilling av urea. | |
| SU459887A3 (ru) | Способ получени мочевины | |
| NO149734B (no) | Fremgangsmaate for fremstilling av urea | |
| EP0145054B1 (fr) | Procédé pour la préparation de l'urée | |
| US5597454A (en) | Process for producing urea | |
| JPS6117821B2 (fr) | ||
| IL24765A (en) | Process and device for preparing urea | |
| CA2473224C (fr) | Procede de preparation d'uree | |
| NO890514L (no) | Fremgangsmaate ved fremstilling av urea. | |
| NO131643B (fr) | ||
| US4036878A (en) | Process for preparing urea | |
| CN101628883A (zh) | 一种二次加热-降膜逆流换热的尿素中压分解工艺 | |
| US3232983A (en) | Urea synthesis | |
| SU810078A3 (ru) | Способ выделени непрореагировав-шиХ АММиАКА и углЕКиСлОгО гАзА изпРОдуКТОВ СиНТЕзА МОчЕВиНы | |
| RU2811862C1 (ru) | Способ и установка для получения карбамида | |
| US4053508A (en) | Process and installation for preparing urea from ammonia and carbon dioxide |