GB1428684A - Process for preparing urea - Google Patents
Process for preparing ureaInfo
- Publication number
- GB1428684A GB1428684A GB2787673A GB2787673A GB1428684A GB 1428684 A GB1428684 A GB 1428684A GB 2787673 A GB2787673 A GB 2787673A GB 2787673 A GB2787673 A GB 2787673A GB 1428684 A GB1428684 A GB 1428684A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- gas mixture
- synthesis solution
- zone
- june
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 6
- 239000004202 carbamide Substances 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- 238000003786 synthesis reaction Methods 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910001868 water Inorganic materials 0.000 abstract 2
- 239000000567 combustion gas Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7207941A NL172539C (nl) | 1972-06-12 | 1972-06-12 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1428684A true GB1428684A (en) | 1976-03-17 |
Family
ID=19816255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2787673A Expired GB1428684A (en) | 1972-06-12 | 1973-06-12 | Process for preparing urea |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5735188B2 (enrdf_load_stackoverflow) |
| BE (1) | BE800799A (enrdf_load_stackoverflow) |
| DE (1) | DE2329732C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2187769B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1428684A (enrdf_load_stackoverflow) |
| IN (1) | IN139309B (enrdf_load_stackoverflow) |
| IT (1) | IT985415B (enrdf_load_stackoverflow) |
| NL (1) | NL172539C (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
| JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
| JPS58142433U (ja) * | 1982-03-19 | 1983-09-26 | 株式会社昭和製作所 | リモ−トコントロ−ル式油圧緩衝器の減衰力調整装置 |
| JPS593036U (ja) * | 1982-06-29 | 1984-01-10 | 株式会社昭和製作所 | 油圧緩衝器の減衰力調整装置 |
| JPS597478U (ja) * | 1982-07-07 | 1984-01-18 | 日産自動車株式会社 | 液晶表示器 |
| NL187393C (nl) * | 1982-11-26 | 1991-09-16 | V I Kucheryavy T M Bogdanova D | Werkwijze voor het bereiden van ureum. |
| JPS6041652U (ja) * | 1983-08-31 | 1985-03-23 | 株式会社 昭和製作所 | 減衰力可変式油圧緩衝器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL102507C (enrdf_load_stackoverflow) * | 1958-08-08 | 1900-01-01 |
-
1972
- 1972-06-12 NL NL7207941A patent/NL172539C/xx not_active IP Right Cessation
-
1973
- 1973-06-11 IT IT5067873A patent/IT985415B/it active
- 1973-06-12 GB GB2787673A patent/GB1428684A/en not_active Expired
- 1973-06-12 FR FR7321249A patent/FR2187769B1/fr not_active Expired
- 1973-06-12 DE DE19732329732 patent/DE2329732C2/de not_active Expired
- 1973-06-12 BE BE132171A patent/BE800799A/xx not_active IP Right Cessation
- 1973-06-12 JP JP6625573A patent/JPS5735188B2/ja not_active Expired
- 1973-07-02 IN IN1536/CAL/73A patent/IN139309B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE800799A (fr) | 1973-12-12 |
| JPS4949905A (enrdf_load_stackoverflow) | 1974-05-15 |
| NL172539B (nl) | 1983-04-18 |
| FR2187769B1 (enrdf_load_stackoverflow) | 1976-11-12 |
| FR2187769A1 (enrdf_load_stackoverflow) | 1974-01-18 |
| DE2329732C2 (de) | 1982-04-22 |
| IT985415B (it) | 1974-11-30 |
| DE2329732A1 (de) | 1974-01-03 |
| IN139309B (enrdf_load_stackoverflow) | 1976-06-05 |
| NL172539C (nl) | 1983-09-16 |
| JPS5735188B2 (enrdf_load_stackoverflow) | 1982-07-27 |
| NL7207941A (enrdf_load_stackoverflow) | 1973-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |