ES344834A1 - Mejoras en los medios de obtencion de urea sintetica. - Google Patents
Mejoras en los medios de obtencion de urea sintetica.Info
- Publication number
- ES344834A1 ES344834A1 ES344834A ES344834A ES344834A1 ES 344834 A1 ES344834 A1 ES 344834A1 ES 344834 A ES344834 A ES 344834A ES 344834 A ES344834 A ES 344834A ES 344834 A1 ES344834 A1 ES 344834A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- carbon dioxide
- weight
- synthesis step
- ammonium carbamate
- 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.)
- Expired
Links
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
-
- 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
-
- 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
- B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
- B01J2219/0236—Metal based
-
- 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
- B01J2219/0281—Metal oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6084466 | 1966-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES344834A1 true ES344834A1 (es) | 1968-11-01 |
Family
ID=13154065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES344834A Expired ES344834A1 (es) | 1966-09-16 | 1967-09-07 | Mejoras en los medios de obtencion de urea sintetica. |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1668724C3 (es) |
| ES (1) | ES344834A1 (es) |
| GB (1) | GB1153107A (es) |
| NL (1) | NL141178B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59150067A (ja) * | 1983-02-15 | 1984-08-28 | Jgc Corp | 耐食性に優れた極低温用ステンレス鋳鋼 |
| NL8304381A (nl) * | 1983-12-21 | 1985-07-16 | Stamicarbon | Werkwijze en inrichting voor het bereiden van melamine. |
| BE1008133A3 (nl) * | 1994-03-15 | 1996-01-23 | Dsm Nv | Werkwijze voor de afscheiding van verontreinigingen uit een heet synthesegasmengsel bij de melaminebereiding. |
| 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 |
| CN105246874B (zh) | 2013-05-28 | 2018-06-12 | 东洋工程株式会社 | 尿素合成方法 |
-
1967
- 1967-09-07 ES ES344834A patent/ES344834A1/es not_active Expired
- 1967-09-13 DE DE19671668724 patent/DE1668724C3/de not_active Expired
- 1967-09-14 NL NL676712586A patent/NL141178B/xx not_active IP Right Cessation
- 1967-09-14 GB GB42015/67A patent/GB1153107A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL141178B (nl) | 1974-02-15 |
| DE1668724B2 (es) | 1973-01-04 |
| GB1153107A (en) | 1969-05-21 |
| DE1668724A1 (de) | 1972-01-05 |
| DE1668724C3 (de) | 1973-07-19 |
| NL6712586A (es) | 1968-03-18 |
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