BE779258A - Procede pour le traitement a des temperatures elevees, de solutions contenant du carbamate d'ammonium - Google Patents
Procede pour le traitement a des temperatures elevees, de solutions contenant du carbamate d'ammoniumInfo
- Publication number
- BE779258A BE779258A BE779258A BE779258A BE779258A BE 779258 A BE779258 A BE 779258A BE 779258 A BE779258 A BE 779258A BE 779258 A BE779258 A BE 779258A BE 779258 A BE779258 A BE 779258A
- Authority
- BE
- Belgium
- Prior art keywords
- treatment
- elevated temperatures
- solutions containing
- containing ammonium
- ammonium carbamate
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7101951,A NL169588C (nl) | 1971-02-13 | 1971-02-13 | Werkwijze voor het bij verhoogde van ammoniumcarbamaat bevattende oplossingen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE779258A true BE779258A (fr) | 1972-08-11 |
Family
ID=19812478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE779258A BE779258A (fr) | 1971-02-13 | 1972-02-11 | Procede pour le traitement a des temperatures elevees, de solutions contenant du carbamate d'ammonium |
Country Status (20)
| Country | Link |
|---|---|
| AU (1) | AU463665B2 (fr) |
| BE (1) | BE779258A (fr) |
| BR (1) | BR7200837D0 (fr) |
| CA (1) | CA966638A (fr) |
| CS (1) | CS163267B2 (fr) |
| DD (1) | DD95368A5 (fr) |
| DE (1) | DE2206615B2 (fr) |
| ES (1) | ES399672A1 (fr) |
| FR (1) | FR2125445B1 (fr) |
| GB (1) | GB1333544A (fr) |
| HU (1) | HU173919B (fr) |
| IE (1) | IE36076B1 (fr) |
| IT (1) | IT948491B (fr) |
| NL (1) | NL169588C (fr) |
| NO (1) | NO137010C (fr) |
| RO (1) | RO63301A (fr) |
| SE (1) | SE387336B (fr) |
| TR (1) | TR18774A (fr) |
| ZA (1) | ZA72781B (fr) |
| ZM (1) | ZM2772A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8304381A (nl) * | 1983-12-21 | 1985-07-16 | Stamicarbon | Werkwijze en inrichting voor het bereiden van melamine. |
| JPS63121641A (ja) * | 1986-11-10 | 1988-05-25 | Nippon Yakin Kogyo Co Ltd | オ−ステナイトステンレス鋼製シ−ズヒ−タ外部被覆 |
| EP1921043B1 (fr) * | 2006-11-01 | 2012-01-18 | Mitsubishi Gas Chemical Company, Inc. | Procédé de récupération d'ammoniaque et de préparation d'un composé nitrile utilisant le procédé de récupération d'ammoniaque |
| US11746084B2 (en) | 2019-07-05 | 2023-09-05 | 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 |
| SE344969B (fr) * | 1967-03-15 | 1972-05-08 | Du Pont |
-
1971
- 1971-02-13 TR TR18774A patent/TR18774A/xx unknown
- 1971-02-13 NL NLAANVRAGE7101951,A patent/NL169588C/xx not_active IP Right Cessation
-
1972
- 1972-02-07 ZA ZA720781A patent/ZA72781B/xx unknown
- 1972-02-08 CA CA134,144A patent/CA966638A/en not_active Expired
- 1972-02-09 AU AU38813/72A patent/AU463665B2/en not_active Expired
- 1972-02-09 GB GB615572A patent/GB1333544A/en not_active Expired
- 1972-02-09 IT IT48234/72A patent/IT948491B/it active
- 1972-02-10 HU HU72SA2312A patent/HU173919B/hu unknown
- 1972-02-10 IE IE164/72A patent/IE36076B1/xx unknown
- 1972-02-10 SE SE7201605A patent/SE387336B/xx unknown
- 1972-02-11 ZM ZM27/72*UA patent/ZM2772A1/xx unknown
- 1972-02-11 DE DE2206615A patent/DE2206615B2/de not_active Withdrawn
- 1972-02-11 NO NO403/72A patent/NO137010C/no unknown
- 1972-02-11 DD DD160843A patent/DD95368A5/xx unknown
- 1972-02-11 BE BE779258A patent/BE779258A/fr not_active IP Right Cessation
- 1972-02-11 ES ES399672A patent/ES399672A1/es not_active Expired
- 1972-02-11 BR BR837/72A patent/BR7200837D0/pt unknown
- 1972-02-14 CS CS914A patent/CS163267B2/cs unknown
- 1972-02-14 FR FR7204826A patent/FR2125445B1/fr not_active Expired
- 1972-02-14 RO RO7200069761A patent/RO63301A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2206615A1 (de) | 1972-08-31 |
| FR2125445A1 (fr) | 1972-09-29 |
| NL169588C (nl) | 1982-08-02 |
| NL169588B (nl) | 1982-03-01 |
| GB1333544A (en) | 1973-10-10 |
| DE2206615B2 (de) | 1980-05-29 |
| BR7200837D0 (pt) | 1973-06-21 |
| DD95368A5 (fr) | 1973-02-05 |
| NL7101951A (fr) | 1972-08-15 |
| IT948491B (it) | 1973-05-30 |
| ZA72781B (en) | 1972-10-25 |
| SE387336B (sv) | 1976-09-06 |
| FR2125445B1 (fr) | 1977-07-15 |
| AU463665B2 (en) | 1975-07-31 |
| NO137010B (no) | 1977-09-05 |
| ZM2772A1 (en) | 1973-02-21 |
| ES399672A1 (es) | 1976-05-01 |
| HU173919B (hu) | 1979-09-28 |
| TR18774A (tr) | 1977-08-23 |
| IE36076B1 (en) | 1976-08-04 |
| RO63301A (fr) | 1978-07-15 |
| CA966638A (en) | 1975-04-29 |
| AU3881372A (en) | 1973-08-16 |
| IE36076L (en) | 1972-08-13 |
| NO137010C (no) | 1977-12-14 |
| CS163267B2 (fr) | 1975-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: STAMICARBON N.V. Effective date: 19880228 |