NL8104040A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8104040A NL8104040A NL8104040A NL8104040A NL8104040A NL 8104040 A NL8104040 A NL 8104040A NL 8104040 A NL8104040 A NL 8104040A NL 8104040 A NL8104040 A NL 8104040A NL 8104040 A NL8104040 A NL 8104040A
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- reaction zone
- zone
- stripping
- solution
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 102
- 239000004202 carbamide Substances 0.000 title claims description 102
- 238000000034 method Methods 0.000 title claims description 46
- 238000002360 preparation method Methods 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 97
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 89
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 88
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 64
- 230000015572 biosynthetic process Effects 0.000 claims description 45
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 38
- 238000003786 synthesis reaction Methods 0.000 claims description 30
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 43
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 229910001868 water Inorganic materials 0.000 description 20
- 239000007788 liquid Substances 0.000 description 11
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- NMGFRGWSRHOQOP-UHFFFAOYSA-N carbamic acid;urea Chemical compound NC(N)=O.NC(O)=O NMGFRGWSRHOQOP-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- C07C273/08—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 ammoniacal liquor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104040A NL8104040A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
| ZA825788A ZA825788B (en) | 1981-09-01 | 1982-08-10 | Process for the preparation of urea |
| EG518/82A EG15838A (en) | 1981-09-01 | 1982-08-21 | Process for the preparation of usea |
| IN993/CAL/82A IN157894B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-09-01 | 1982-08-26 | |
| KR1019820003854A KR840001131A (ko) | 1981-09-01 | 1982-08-26 | 요소 제조 방법 |
| GR69156A GR76908B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-09-01 | 1982-08-30 | |
| IT49047/82A IT1149071B (it) | 1981-09-01 | 1982-08-30 | Procedimento per la preparazione di urea |
| DD82242879A DD203715A5 (de) | 1981-09-01 | 1982-08-30 | Verfahren zur herstellung von harnstoff |
| EP82902530A EP0086805B1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| JP57502598A JPS58501373A (ja) | 1981-09-01 | 1982-08-31 | 尿素の製造方法 |
| US06/496,317 US4540813A (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| AU88257/82A AU8825782A (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| ES515377A ES515377A0 (es) | 1981-09-01 | 1982-08-31 | "un procedimiento mejorado para la preparacion de urea". |
| DE8282902530T DE3271938D1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| PL23809282A PL238092A1 (en) | 1981-09-01 | 1982-08-31 | Method of manufacture of urea |
| HU823094A HUT34001A (en) | 1981-09-01 | 1982-08-31 | Process for produktion of carmabide |
| PCT/EP1982/000188 WO1983000862A1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| BR8207839A BR8207839A (pt) | 1981-09-01 | 1982-08-31 | Processo para preparacao de ureia |
| GB08224953A GB2107705B (en) | 1981-09-01 | 1982-09-01 | Process for the preparation of urea |
| OA57794A OA07202A (fr) | 1981-09-01 | 1982-09-01 | Procédé pour la préparation de l'urée |
| NO831531A NO831531L (no) | 1981-09-01 | 1983-04-29 | Fremgangsmaate ved fremstilling av urea. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104040 | 1981-09-01 | ||
| NL8104040A NL8104040A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8104040A true NL8104040A (nl) | 1983-04-05 |
Family
ID=19837996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8104040A NL8104040A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Country Status (20)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303425A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303424A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| JPH082859B2 (ja) * | 1987-02-24 | 1996-01-17 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
| IN169678B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| CH679485A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
| ATE394367T1 (de) * | 2000-06-15 | 2008-05-15 | Urea Casale Sa | Verfahren und vorrichtung zur herstellung von harnstoff |
| NL1022526C2 (nl) * | 2003-01-30 | 2004-08-04 | Dsm Nv | Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O. |
| EP3398935A1 (en) * | 2017-05-05 | 2018-11-07 | Casale Sa | Process and plant for the synthesis of urea |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL102507C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1958-08-08 | 1900-01-01 | ||
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| DE1618867A1 (de) * | 1966-03-29 | 1972-03-30 | Sumitomo Chemical Co | Verfahren zur Herstellung von Harnstoff |
| CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| NL7307036A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-05-21 | 1974-11-25 | ||
| US4173615A (en) * | 1974-07-08 | 1979-11-06 | Mitsui Toatsu Chemicals, Incorporated | Chemical apparatus for corrosive materials |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
-
1981
- 1981-09-01 NL NL8104040A patent/NL8104040A/nl not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825788A patent/ZA825788B/xx unknown
- 1982-08-21 EG EG518/82A patent/EG15838A/xx active
- 1982-08-26 KR KR1019820003854A patent/KR840001131A/ko not_active Withdrawn
- 1982-08-26 IN IN993/CAL/82A patent/IN157894B/en unknown
- 1982-08-30 DD DD82242879A patent/DD203715A5/de unknown
- 1982-08-30 IT IT49047/82A patent/IT1149071B/it active
- 1982-08-30 GR GR69156A patent/GR76908B/el unknown
- 1982-08-31 BR BR8207839A patent/BR8207839A/pt unknown
- 1982-08-31 DE DE8282902530T patent/DE3271938D1/de not_active Expired
- 1982-08-31 EP EP82902530A patent/EP0086805B1/en not_active Expired
- 1982-08-31 US US06/496,317 patent/US4540813A/en not_active Expired - Fee Related
- 1982-08-31 PL PL23809282A patent/PL238092A1/xx unknown
- 1982-08-31 HU HU823094A patent/HUT34001A/hu unknown
- 1982-08-31 JP JP57502598A patent/JPS58501373A/ja active Pending
- 1982-08-31 ES ES515377A patent/ES515377A0/es active Granted
- 1982-08-31 WO PCT/EP1982/000188 patent/WO1983000862A1/en active IP Right Grant
- 1982-09-01 OA OA57794A patent/OA07202A/xx unknown
- 1982-09-01 GB GB08224953A patent/GB2107705B/en not_active Expired
-
1983
- 1983-04-29 NO NO831531A patent/NO831531L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1983000862A1 (en) | 1983-03-17 |
| DE3271938D1 (en) | 1986-08-14 |
| JPS58501373A (ja) | 1983-08-18 |
| EP0086805B1 (en) | 1986-07-09 |
| NO831531L (no) | 1983-04-29 |
| IN157894B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-07-19 |
| IT1149071B (it) | 1986-12-03 |
| GB2107705B (en) | 1985-09-04 |
| DD203715A5 (de) | 1983-11-02 |
| EG15838A (en) | 1987-07-30 |
| PL238092A1 (en) | 1983-03-28 |
| US4540813A (en) | 1985-09-10 |
| OA07202A (fr) | 1984-04-30 |
| HUT34001A (en) | 1985-01-28 |
| KR840001131A (ko) | 1984-03-28 |
| GR76908B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-09-04 |
| GB2107705A (en) | 1983-05-05 |
| ES8306103A1 (es) | 1983-05-01 |
| EP0086805A1 (en) | 1983-08-31 |
| ES515377A0 (es) | 1983-05-01 |
| ZA825788B (en) | 1983-06-29 |
| IT8249047A0 (it) | 1982-08-30 |
| BR8207839A (pt) | 1983-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |