IT1137354B - Processo per la sintesi di urea utilizzante nella sua apparecchiatura materiali a base di carburo di silicio - Google Patents
Processo per la sintesi di urea utilizzante nella sua apparecchiatura materiali a base di carburo di silicioInfo
- Publication number
- IT1137354B IT1137354B IT21139/81A IT2113981A IT1137354B IT 1137354 B IT1137354 B IT 1137354B IT 21139/81 A IT21139/81 A IT 21139/81A IT 2113981 A IT2113981 A IT 2113981A IT 1137354 B IT1137354 B IT 1137354B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- synthesis
- silicon carbide
- based materials
- equipment silicon
- Prior art date
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052710 silicon Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- 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
- B01J2219/0218—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of ceramic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lift Valve (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4864180A JPS56147756A (en) | 1980-04-15 | 1980-04-15 | Synthetic method of urea using silicon carbide material in apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8121139A0 IT8121139A0 (it) | 1981-04-14 |
| IT1137354B true IT1137354B (it) | 1986-09-10 |
Family
ID=12808989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21139/81A IT1137354B (it) | 1980-04-15 | 1981-04-14 | Processo per la sintesi di urea utilizzante nella sua apparecchiatura materiali a base di carburo di silicio |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS56147756A (enrdf_load_stackoverflow) |
| BR (1) | BR8102284A (enrdf_load_stackoverflow) |
| CA (1) | CA1250314A (enrdf_load_stackoverflow) |
| DE (1) | DE3114218A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2480280A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2073751B (enrdf_load_stackoverflow) |
| IN (1) | IN155840B (enrdf_load_stackoverflow) |
| IT (1) | IT1137354B (enrdf_load_stackoverflow) |
| NL (1) | NL8101499A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2608234B2 (ja) * | 1992-02-26 | 1997-05-07 | 東洋エンジニアリング株式会社 | 尿素合成プラント用減圧弁 |
| US20110033018A1 (en) * | 2009-08-10 | 2011-02-10 | Caldera Engineering, Lc | Method for bonding ceramic materials |
| US9662628B2 (en) | 2014-08-15 | 2017-05-30 | Rec Silicon Inc | Non-contaminating bonding material for segmented silicon carbide liner in a fluidized bed reactor |
| US9446367B2 (en) | 2014-08-15 | 2016-09-20 | Rec Silicon Inc | Joint design for segmented silicon carbide liner in a fluidized bed reactor |
| US9238211B1 (en) | 2014-08-15 | 2016-01-19 | Rec Silicon Inc | Segmented silicon carbide liner |
| WO2023191620A1 (en) * | 2022-03-28 | 2023-10-05 | Stamicarbon B.V. | Urea plant with valve; urea production process; use and method |
-
1980
- 1980-04-15 JP JP4864180A patent/JPS56147756A/ja active Pending
-
1981
- 1981-03-25 IN IN323/CAL/81A patent/IN155840B/en unknown
- 1981-03-26 NL NL8101499A patent/NL8101499A/nl not_active Application Discontinuation
- 1981-04-01 GB GB8110277A patent/GB2073751B/en not_active Expired
- 1981-04-08 DE DE19813114218 patent/DE3114218A1/de not_active Withdrawn
- 1981-04-14 CA CA000375434A patent/CA1250314A/en not_active Expired
- 1981-04-14 IT IT21139/81A patent/IT1137354B/it active
- 1981-04-14 BR BR8102284A patent/BR8102284A/pt unknown
- 1981-04-15 FR FR8107634A patent/FR2480280A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2073751B (en) | 1984-02-01 |
| DE3114218A1 (de) | 1982-03-04 |
| IT8121139A0 (it) | 1981-04-14 |
| FR2480280B1 (enrdf_load_stackoverflow) | 1983-07-01 |
| GB2073751A (en) | 1981-10-21 |
| NL8101499A (nl) | 1981-11-02 |
| IN155840B (enrdf_load_stackoverflow) | 1985-03-16 |
| JPS56147756A (en) | 1981-11-16 |
| BR8102284A (pt) | 1981-12-01 |
| CA1250314A (en) | 1989-02-21 |
| FR2480280A1 (fr) | 1981-10-16 |
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