BE779258A - PROCESS FOR THE TREATMENT AT ELEVATED TEMPERATURES OF SOLUTIONS CONTAINING AMMONIUM CARBAMATE - Google Patents
PROCESS FOR THE TREATMENT AT ELEVATED TEMPERATURES OF SOLUTIONS CONTAINING AMMONIUM CARBAMATEInfo
- 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)
- 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 (en) | 1971-02-13 | 1971-02-13 | PROCESS FOR THE SOLUTIONS CONTAINING INCREASED AMMONIUM CARBAMATE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE779258A true BE779258A (en) | 1972-08-11 |
Family
ID=19812478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE779258A BE779258A (en) | 1971-02-13 | 1972-02-11 | PROCESS FOR THE TREATMENT AT ELEVATED TEMPERATURES OF SOLUTIONS CONTAINING AMMONIUM CARBAMATE |
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 |
| 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 (en) * | 1967-03-15 | 1972-05-08 | Du Pont |
-
1971
- 1971-02-13 TR TR18774A patent/TR18774A/en unknown
- 1971-02-13 NL NLAANVRAGE7101951,A patent/NL169588C/en not_active IP Right Cessation
-
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 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/en active
- 1972-02-10 HU HU72SA2312A patent/HU173919B/en unknown
- 1972-02-10 IE IE164/72A patent/IE36076B1/en unknown
- 1972-02-10 SE SE7201605A patent/SE387336B/en unknown
- 1972-02-11 ZM ZM27/72*UA patent/ZM2772A1/en unknown
- 1972-02-11 DE DE2206615A patent/DE2206615B2/en not_active Withdrawn
- 1972-02-11 NO NO403/72A patent/NO137010C/en unknown
- 1972-02-11 DD DD160843A patent/DD95368A5/xx unknown
- 1972-02-11 BE BE779258A patent/BE779258A/en not_active IP Right Cessation
- 1972-02-11 ES ES399672A patent/ES399672A1/en not_active Expired
- 1972-02-11 BR BR837/72A patent/BR7200837D0/en 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/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2206615A1 (en) | 1972-08-31 |
| FR2125445A1 (en) | 1972-09-29 |
| NL169588C (en) | 1982-08-02 |
| NL169588B (en) | 1982-03-01 |
| GB1333544A (en) | 1973-10-10 |
| DE2206615B2 (en) | 1980-05-29 |
| BR7200837D0 (en) | 1973-06-21 |
| DD95368A5 (en) | 1973-02-05 |
| NL7101951A (en) | 1972-08-15 |
| IT948491B (en) | 1973-05-30 |
| ZA72781B (en) | 1972-10-25 |
| SE387336B (en) | 1976-09-06 |
| FR2125445B1 (en) | 1977-07-15 |
| AU463665B2 (en) | 1975-07-31 |
| NO137010B (en) | 1977-09-05 |
| ZM2772A1 (en) | 1973-02-21 |
| ES399672A1 (en) | 1976-05-01 |
| HU173919B (en) | 1979-09-28 |
| TR18774A (en) | 1977-08-23 |
| IE36076B1 (en) | 1976-08-04 |
| RO63301A (en) | 1978-07-15 |
| CA966638A (en) | 1975-04-29 |
| AU3881372A (en) | 1973-08-16 |
| IE36076L (en) | 1972-08-13 |
| NO137010C (en) | 1977-12-14 |
| CS163267B2 (en) | 1975-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RO62435A (en) | PROCESS FOR THE PREPARATION OF 1,2,4-TRIAZOLENUCLEOSIDES | |
| RO64682A (en) | PROCESS FOR THE PURIFICATION OF CHLORESILANES | |
| OA01681A (en) | Process for the treatment of a permeable mass. | |
| BE790545A (en) | HYDROCARBON TREATMENT PROCESS | |
| BE830459A (en) | PROCESS FOR THE ENRICHMENT OF TITANIUM ORE | |
| BE770725A (en) | Process for the treatment of electrodes | |
| RO63962A (en) | PROCESS FOR THE PURIFICATION OF ACRYLONITRILE | |
| RO68145A (en) | PROCESS FOR THE PREPARATION OF 3,4-DIHYDRO-2H-1,2-BENZOTHIAZINCARBOXAMIDES | |
| BE792727A (en) | PROCESS FOR THE ANTIFRICTION APPRETATION OF THE WIRE A | |
| BE798851R (en) | PROCESS FOR THE TREATMENT OF UREA GRAINS | |
| BE792323A (en) | PROCESS FOR TREATING AQUEOUS ACRYLAMIDE SOLUTIONS | |
| BE787832A (en) | PROCESS FOR THE PREPARATION OF UREA | |
| BE779258A (en) | PROCESS FOR THE TREATMENT AT ELEVATED TEMPERATURES OF SOLUTIONS CONTAINING AMMONIUM CARBAMATE | |
| BE789839A (en) | PROCESS FOR THE SURFICIAL TREATMENT OF ARTICLES | |
| BE790693A (en) | PROCESS FOR THE PURIFICATION OF ISOPRENE | |
| RO62483A (en) | PROCESS FOR THE PREPARATION OF 2-ARYLAMINOIMIDAZOLINES- (2) -SUBSTITUTED | |
| BE779961A (en) | NEW CYCLOALCANES OXIMATION PROCESS | |
| BE878492A (en) | PROCESS FOR THE TREATMENT OF SOLUTIONS CONTAINING AMMONIUM NITRATE | |
| BE783966A (en) | EFFLUENT TREATMENT PROCESS | |
| CH554422A (en) | PROCESS FOR TREATING CHROME ALLOYS. | |
| BE744890A (en) | PROCESS FOR THE TREATMENT OF UREA GRAINS | |
| OA03990A (en) | Process for removing zinc from industrial sodium aluminate liquors. | |
| CH537911A (en) | Process for the preparation of the dietheroxides of estratriene | |
| BE831101A (en) | HYDROMETALLURGIC PROCESS FOR THE TREATMENT OF POLYMETALLIC NODULES OF OCEANS | |
| BE784323A (en) | COATING PROCESS FOR TEXTILES CONTAINING CELLULOSE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: STAMICARBON N.V. Effective date: 19880228 |