NL8104039A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8104039A NL8104039A NL8104039A NL8104039A NL8104039A NL 8104039 A NL8104039 A NL 8104039A NL 8104039 A NL8104039 A NL 8104039A NL 8104039 A NL8104039 A NL 8104039A NL 8104039 A NL8104039 A NL 8104039A
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- reaction zone
- zone
- stripping
- carbamate
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 89
- 239000004202 carbamide Substances 0.000 title claims description 89
- 238000000034 method Methods 0.000 title claims description 41
- 238000002360 preparation method Methods 0.000 title claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 104
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 102
- 238000006243 chemical reaction Methods 0.000 claims description 91
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 72
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 50
- 230000015572 biosynthetic process Effects 0.000 claims description 36
- 238000003786 synthesis reaction Methods 0.000 claims description 25
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 46
- 239000007789 gas Substances 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- 229910001868 water Inorganic materials 0.000 description 31
- 238000000354 decomposition reaction Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 6
- 238000010521 absorption reaction Methods 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
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 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
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104039A NL8104039A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
| ZA825789A ZA825789B (en) | 1981-09-01 | 1982-08-10 | Process for the preparation of urea |
| IT49046/82A IT1149070B (it) | 1981-09-01 | 1982-08-30 | Procedimento per la preparazione di urea |
| GR69157A GR76909B (enrdf_load_stackoverflow) | 1981-09-01 | 1982-08-30 | |
| DD82242880A DD204250A5 (de) | 1981-09-01 | 1982-08-30 | Verfahren zur herstellung von harnstoff |
| AU88258/82A AU8825882A (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| KR1019820003930A KR840001132A (ko) | 1981-09-01 | 1982-08-31 | 요소 제조 방법 |
| PCT/EP1982/000187 WO1983000861A1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| BR8207840A BR8207840A (pt) | 1981-09-01 | 1982-08-31 | Processo para preparacao de ureia |
| JP57502599A JPS58501374A (ja) | 1981-09-01 | 1982-08-31 | 尿素の製造方法 |
| EP82902529A EP0086804A1 (en) | 1981-09-01 | 1982-08-31 | Process for the preparation of urea |
| PL23809382A PL238093A1 (en) | 1981-09-01 | 1982-08-31 | Method of manufacture of urea |
| ES515378A ES8306104A1 (es) | 1981-09-01 | 1982-08-31 | "un procedimiento mejorado para la preparacion de urea". |
| GB08224952A GB2107704A (en) | 1981-09-01 | 1982-09-01 | Process for the preparation of urea |
| OA57793A OA07201A (fr) | 1981-09-01 | 1982-09-01 | Procédé pour la préparation de l'urée . |
| NO831532A NO831532L (no) | 1981-09-01 | 1983-04-29 | Fremgangsmaate ved fremstilling av urea. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8104039 | 1981-09-01 | ||
| NL8104039A NL8104039A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8104039A true NL8104039A (nl) | 1983-04-05 |
Family
ID=19837995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8104039A NL8104039A (nl) | 1981-09-01 | 1981-09-01 | Werkwijze voor de bereiding van ureum. |
Country Status (15)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303424A (nl) * | 1983-10-06 | 1985-05-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IT1290423B1 (it) * | 1996-10-17 | 1998-12-03 | Eurotecnica Contractors And En | Procedimento per la sintesi di urea da anidride carbonica e ammoniaca |
| RU2529462C1 (ru) * | 2013-05-15 | 2014-09-27 | Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") | Способ получения карбамида |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147734A (en) * | 1966-03-29 | 1969-04-02 | Sumitomo Chemical Co | Method for the preparation of urea |
| 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 |
| 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 (enrdf_load_stackoverflow) * | 1973-05-21 | 1974-11-25 |
-
1981
- 1981-09-01 NL NL8104039A patent/NL8104039A/nl not_active Application Discontinuation
-
1982
- 1982-08-10 ZA ZA825789A patent/ZA825789B/xx unknown
- 1982-08-30 GR GR69157A patent/GR76909B/el unknown
- 1982-08-30 DD DD82242880A patent/DD204250A5/de unknown
- 1982-08-30 IT IT49046/82A patent/IT1149070B/it active
- 1982-08-31 PL PL23809382A patent/PL238093A1/xx unknown
- 1982-08-31 EP EP82902529A patent/EP0086804A1/en not_active Withdrawn
- 1982-08-31 WO PCT/EP1982/000187 patent/WO1983000861A1/en not_active Application Discontinuation
- 1982-08-31 ES ES515378A patent/ES8306104A1/es not_active Expired
- 1982-08-31 BR BR8207840A patent/BR8207840A/pt unknown
- 1982-08-31 JP JP57502599A patent/JPS58501374A/ja active Pending
- 1982-08-31 KR KR1019820003930A patent/KR840001132A/ko not_active Withdrawn
- 1982-09-01 GB GB08224952A patent/GB2107704A/en not_active Withdrawn
- 1982-09-01 OA OA57793A patent/OA07201A/xx unknown
-
1983
- 1983-04-29 NO NO831532A patent/NO831532L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD204250A5 (de) | 1983-11-23 |
| GR76909B (enrdf_load_stackoverflow) | 1984-09-04 |
| BR8207840A (pt) | 1983-09-06 |
| JPS58501374A (ja) | 1983-08-18 |
| GB2107704A (en) | 1983-05-05 |
| ES515378A0 (es) | 1983-05-01 |
| EP0086804A1 (en) | 1983-08-31 |
| ZA825789B (en) | 1983-06-29 |
| IT1149070B (it) | 1986-12-03 |
| IT8249046A0 (it) | 1982-08-30 |
| ES8306104A1 (es) | 1983-05-01 |
| NO831532L (no) | 1983-04-29 |
| WO1983000861A1 (en) | 1983-03-17 |
| PL238093A1 (en) | 1983-03-28 |
| OA07201A (fr) | 1984-04-30 |
| KR840001132A (ko) | 1984-03-28 |
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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 |