HU173919B - Process for treating solutions containing ammonium carbamate at higher temperature - Google Patents
Process for treating solutions containing ammonium carbamate at higher temperatureInfo
- Publication number
- HU173919B HU173919B HU72SA2312A HUSA002312A HU173919B HU 173919 B HU173919 B HU 173919B HU 72SA2312 A HU72SA2312 A HU 72SA2312A HU SA002312 A HUSA002312 A HU SA002312A HU 173919 B HU173919 B HU 173919B
- Authority
- HU
- Hungary
- Prior art keywords
- higher temperature
- solutions containing
- containing ammonium
- ammonium carbamate
- treating solutions
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
- B01J2219/0277—Metal based
- B01J2219/0286—Steel
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7101951,A NL169588C (en) | 1971-02-13 | 1971-02-13 | PROCESS FOR THE SOLUTIONS CONTAINING INCREASED AMMONIUM CARBAMATE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU173919B true HU173919B (en) | 1979-09-28 |
Family
ID=19812478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU72SA2312A HU173919B (en) | 1971-02-13 | 1972-02-10 | Process for treating solutions containing ammonium carbamate at higher temperature |
Country Status (20)
| Country | Link |
|---|---|
| AU (1) | AU463665B2 (en) |
| BE (1) | BE779258A (en) |
| BR (1) | BR7200837D0 (en) |
| CA (1) | CA966638A (en) |
| CS (1) | CS163267B2 (en) |
| DD (1) | DD95368A5 (en) |
| DE (1) | DE2206615B2 (en) |
| ES (1) | ES399672A1 (en) |
| FR (1) | FR2125445B1 (en) |
| GB (1) | GB1333544A (en) |
| HU (1) | HU173919B (en) |
| IE (1) | IE36076B1 (en) |
| IT (1) | IT948491B (en) |
| NL (1) | NL169588C (en) |
| NO (1) | NO137010C (en) |
| RO (1) | RO63301A (en) |
| SE (1) | SE387336B (en) |
| TR (1) | TR18774A (en) |
| ZA (1) | ZA72781B (en) |
| ZM (1) | ZM2772A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8304381A (en) * | 1983-12-21 | 1985-07-16 | Stamicarbon | METHOD AND APPARATUS FOR PREPARING MELAMINE |
| JPS63121641A (en) * | 1986-11-10 | 1988-05-25 | Nippon Yakin Kogyo Co Ltd | External coating of sheathed heater made of austenitic stainless steel |
| EP1921043B1 (en) | 2006-11-01 | 2012-01-18 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering ammonia and process for producing a nitrile compound making use of the ammonia recovery method |
| AU2020311257B2 (en) * | 2019-07-05 | 2023-03-02 | Stamicarbon B.V. | Ferritic steel parts in urea plants |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1986973A (en) * | 1930-11-17 | 1935-01-08 | Du Pont | Prevention of corrosion in urea synthesis |
| US2129689A (en) * | 1936-12-04 | 1938-09-13 | Du Pont | Urea manufacture |
| US2183715A (en) * | 1938-05-21 | 1939-12-19 | Electro Metallurg Co | Corrosion resistant steel alloy |
| US2624671A (en) * | 1951-01-19 | 1953-01-06 | Union Carbide & Carbon Corp | Ferritic chromium steels |
| BE712157A (en) * | 1967-03-15 | 1968-07-15 |
-
1971
- 1971-02-13 NL NLAANVRAGE7101951,A patent/NL169588C/en not_active IP Right Cessation
- 1971-02-13 TR TR18774A patent/TR18774A/en unknown
-
1972
- 1972-02-07 ZA ZA720781A patent/ZA72781B/en unknown
- 1972-02-08 CA CA134,144A patent/CA966638A/en not_active Expired
- 1972-02-09 GB GB615572A patent/GB1333544A/en not_active Expired
- 1972-02-09 AU AU38813/72A patent/AU463665B2/en not_active Expired
- 1972-02-09 IT IT48234/72A patent/IT948491B/en active
- 1972-02-10 SE SE7201605A patent/SE387336B/en unknown
- 1972-02-10 HU HU72SA2312A patent/HU173919B/en unknown
- 1972-02-10 IE IE164/72A patent/IE36076B1/en unknown
- 1972-02-11 BE BE779258A patent/BE779258A/en not_active IP Right Cessation
- 1972-02-11 NO NO403/72A patent/NO137010C/en unknown
- 1972-02-11 DE DE2206615A patent/DE2206615B2/en not_active Withdrawn
- 1972-02-11 DD DD160843A patent/DD95368A5/xx unknown
- 1972-02-11 BR BR837/72A patent/BR7200837D0/en unknown
- 1972-02-11 ZM ZM27/72*UA patent/ZM2772A1/en unknown
- 1972-02-11 ES ES399672A patent/ES399672A1/en not_active Expired
- 1972-02-14 RO RO7200069761A patent/RO63301A/en unknown
- 1972-02-14 CS CS914A patent/CS163267B2/cs unknown
- 1972-02-14 FR FR7204826A patent/FR2125445B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU3881372A (en) | 1973-08-16 |
| IE36076B1 (en) | 1976-08-04 |
| FR2125445A1 (en) | 1972-09-29 |
| TR18774A (en) | 1977-08-23 |
| NL169588B (en) | 1982-03-01 |
| FR2125445B1 (en) | 1977-07-15 |
| CA966638A (en) | 1975-04-29 |
| DE2206615A1 (en) | 1972-08-31 |
| SE387336B (en) | 1976-09-06 |
| AU463665B2 (en) | 1975-07-31 |
| IT948491B (en) | 1973-05-30 |
| DE2206615B2 (en) | 1980-05-29 |
| CS163267B2 (en) | 1975-08-29 |
| ZM2772A1 (en) | 1973-02-21 |
| NO137010C (en) | 1977-12-14 |
| ZA72781B (en) | 1972-10-25 |
| NL7101951A (en) | 1972-08-15 |
| NO137010B (en) | 1977-09-05 |
| IE36076L (en) | 1972-08-13 |
| DD95368A5 (en) | 1973-02-05 |
| BE779258A (en) | 1972-08-11 |
| ES399672A1 (en) | 1976-05-01 |
| NL169588C (en) | 1982-08-02 |
| BR7200837D0 (en) | 1973-06-21 |
| GB1333544A (en) | 1973-10-10 |
| RO63301A (en) | 1978-07-15 |
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