DE1097974B - Temperaturreglung bei der Harnstoffherstellung und Vorrichtung zur Durchfuehrung dieser Temperaturreglung - Google Patents
Temperaturreglung bei der Harnstoffherstellung und Vorrichtung zur Durchfuehrung dieser TemperaturreglungInfo
- Publication number
- DE1097974B DE1097974B DEST15100A DEST015100A DE1097974B DE 1097974 B DE1097974 B DE 1097974B DE ST15100 A DEST15100 A DE ST15100A DE ST015100 A DEST015100 A DE ST015100A DE 1097974 B DE1097974 B DE 1097974B
- Authority
- DE
- Germany
- Prior art keywords
- stage
- temperature
- carbamate
- temperature control
- urea
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 12
- 239000004202 carbamide Substances 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 17
- 238000005755 formation reaction Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical class O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL227595 | 1958-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1097974B true DE1097974B (de) | 1961-01-26 |
Family
ID=19751205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEST15100A Pending DE1097974B (de) | 1958-05-07 | 1959-05-05 | Temperaturreglung bei der Harnstoffherstellung und Vorrichtung zur Durchfuehrung dieser Temperaturreglung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3105093A (en, 2012) |
| BE (1) | BE578454A (en, 2012) |
| CH (1) | CH383351A (en, 2012) |
| DE (1) | DE1097974B (en, 2012) |
| FR (1) | FR1223809A (en, 2012) |
| GB (1) | GB889046A (en, 2012) |
| LU (1) | LU37175A1 (en, 2012) |
| NL (2) | NL227595A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957868A (en) * | 1973-05-21 | 1976-05-18 | Stamicarbon, B.V. | Process for preparing urea from ammonia and carbon dioxide |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| ES379855A1 (es) * | 1969-06-11 | 1973-02-16 | Titsui Toatsu Chemicals Inc | Procedimiento para sintetizar urea de dioxido de carbono y amoniaco. |
| US4154760A (en) * | 1969-06-11 | 1979-05-15 | Mitsui Toatsu Chemicals, Inc. | Process for controlling the temperature during urea synthesis |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| US4210600A (en) * | 1976-10-28 | 1980-07-01 | Snamprogetti, S.P.A. | Method for the preparation of urea with a high-yield reactor |
| EP2602245A1 (en) * | 2011-12-05 | 2013-06-12 | Urea Casale SA | A process for synthesis of urea and a related arrangement for a reaction section of a urea plant |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE522822A (en, 2012) * | ||||
| FR958503A (en, 2012) * | 1950-03-13 | |||
| BE554155A (en, 2012) * | ||||
| US1402338A (en) * | 1919-05-07 | 1922-01-03 | Us Ind Alcohol Co | Apparatus for the production of halogenated hydrocarbons |
| US1937116A (en) * | 1931-01-02 | 1933-11-28 | Du Pont | Urea manufacture |
| US2038564A (en) * | 1931-08-05 | 1936-04-28 | Du Pont | Process for the synthesis of urea |
| NL67175C (en, 2012) * | 1947-07-24 | 1950-08-15 | Ammoniaque Synthetique & Deriv | |
| US2632771A (en) * | 1949-11-07 | 1953-03-24 | Phillips Petroleum Co | Urea synthesis |
-
0
- LU LU37175D patent/LU37175A1/xx unknown
- NL NL108593D patent/NL108593C/xx active
- NL NL227595D patent/NL227595A/xx unknown
-
1959
- 1959-05-04 US US810905A patent/US3105093A/en not_active Expired - Lifetime
- 1959-05-05 DE DEST15100A patent/DE1097974B/de active Pending
- 1959-05-05 CH CH7291859A patent/CH383351A/de unknown
- 1959-05-06 GB GB15566/59A patent/GB889046A/en not_active Expired
- 1959-05-06 FR FR794098A patent/FR1223809A/fr not_active Expired
- 1959-05-06 BE BE578454A patent/BE578454A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957868A (en) * | 1973-05-21 | 1976-05-18 | Stamicarbon, B.V. | Process for preparing urea from ammonia and carbon dioxide |
Also Published As
| Publication number | Publication date |
|---|---|
| US3105093A (en) | 1963-09-24 |
| CH383351A (de) | 1964-10-31 |
| LU37175A1 (en, 2012) | |
| FR1223809A (fr) | 1960-06-20 |
| GB889046A (en) | 1962-02-07 |
| BE578454A (fr) | 1959-08-31 |
| NL227595A (en, 2012) | |
| NL108593C (en, 2012) |
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