ZA72781B - Method for processing at elevated temperature solutions containing ammonium carbamate - Google Patents
Method for processing at elevated temperature solutions containing ammonium carbamateInfo
- Publication number
- ZA72781B ZA72781B ZA720781A ZA72781A ZA72781B ZA 72781 B ZA72781 B ZA 72781B ZA 720781 A ZA720781 A ZA 720781A ZA 72781 A ZA72781 A ZA 72781A ZA 72781 B ZA72781 B ZA 72781B
- Authority
- ZA
- South Africa
- Prior art keywords
- processing
- elevated temperature
- 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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Catalysts (AREA)
- Removal Of Specific Substances (AREA)
- Electroplating And Plating Baths Therefor (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 |
|---|---|
| ZA72781B true ZA72781B (en) | 1972-10-25 |
Family
ID=19812478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA720781A ZA72781B (en) | 1971-02-13 | 1972-02-07 | Method for processing at elevated temperature solutions containing ammonium carbamate |
Country Status (20)
| Country | Link |
|---|---|
| AU (1) | AU463665B2 (tr) |
| BE (1) | BE779258A (tr) |
| BR (1) | BR7200837D0 (tr) |
| CA (1) | CA966638A (tr) |
| CS (1) | CS163267B2 (tr) |
| DD (1) | DD95368A5 (tr) |
| DE (1) | DE2206615B2 (tr) |
| ES (1) | ES399672A1 (tr) |
| FR (1) | FR2125445B1 (tr) |
| GB (1) | GB1333544A (tr) |
| HU (1) | HU173919B (tr) |
| IE (1) | IE36076B1 (tr) |
| IT (1) | IT948491B (tr) |
| NL (1) | NL169588C (tr) |
| NO (1) | NO137010C (tr) |
| RO (1) | RO63301A (tr) |
| SE (1) | SE387336B (tr) |
| TR (1) | TR18774A (tr) |
| ZA (1) | ZA72781B (tr) |
| ZM (1) | ZM2772A1 (tr) |
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 (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 |
| 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 |
| GB1183656A (en) * | 1967-03-15 | 1970-03-11 | Du Pont | Ductile Corrosion-Resistant Alloys. |
-
1971
- 1971-02-13 TR TR18774A patent/TR18774A/tr 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 IT IT48234/72A patent/IT948491B/it active
- 1972-02-09 GB GB615572A patent/GB1333544A/en not_active Expired
- 1972-02-09 AU AU38813/72A patent/AU463665B2/en not_active Expired
- 1972-02-10 IE IE164/72A patent/IE36076B1/xx unknown
- 1972-02-10 SE SE7201605A patent/SE387336B/xx unknown
- 1972-02-10 HU HU72SA2312A patent/HU173919B/hu unknown
- 1972-02-11 ZM ZM27/72*UA patent/ZM2772A1/xx unknown
- 1972-02-11 DD DD160843A patent/DD95368A5/xx unknown
- 1972-02-11 ES ES399672A patent/ES399672A1/es not_active Expired
- 1972-02-11 DE DE2206615A patent/DE2206615B2/de not_active Withdrawn
- 1972-02-11 NO NO403/72A patent/NO137010C/no unknown
- 1972-02-11 BR BR837/72A patent/BR7200837D0/pt unknown
- 1972-02-11 BE BE779258A patent/BE779258A/xx not_active IP Right Cessation
- 1972-02-14 FR FR7204826A patent/FR2125445B1/fr not_active Expired
- 1972-02-14 CS CS914A patent/CS163267B2/cs unknown
- 1972-02-14 RO RO7200069761A patent/RO63301A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE387336B (sv) | 1976-09-06 |
| BE779258A (fr) | 1972-08-11 |
| IE36076L (en) | 1972-08-13 |
| CS163267B2 (tr) | 1975-08-29 |
| AU3881372A (en) | 1973-08-16 |
| NO137010B (no) | 1977-09-05 |
| FR2125445B1 (tr) | 1977-07-15 |
| ZM2772A1 (en) | 1973-02-21 |
| AU463665B2 (en) | 1975-07-31 |
| DD95368A5 (tr) | 1973-02-05 |
| FR2125445A1 (tr) | 1972-09-29 |
| ES399672A1 (es) | 1976-05-01 |
| IE36076B1 (en) | 1976-08-04 |
| CA966638A (en) | 1975-04-29 |
| BR7200837D0 (pt) | 1973-06-21 |
| NL169588B (nl) | 1982-03-01 |
| GB1333544A (en) | 1973-10-10 |
| TR18774A (tr) | 1977-08-23 |
| DE2206615A1 (de) | 1972-08-31 |
| NO137010C (no) | 1977-12-14 |
| NL169588C (nl) | 1982-08-02 |
| RO63301A (fr) | 1978-07-15 |
| IT948491B (it) | 1973-05-30 |
| NL7101951A (tr) | 1972-08-15 |
| HU173919B (hu) | 1979-09-28 |
| DE2206615B2 (de) | 1980-05-29 |
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