BR8102284A - Processo para sinteizar ureia - Google Patents
Processo para sinteizar ureiaInfo
- Publication number
- BR8102284A BR8102284A BR8102284A BR8102284A BR8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A BR 8102284 A BR8102284 A BR 8102284A
- Authority
- BR
- Brazil
- Prior art keywords
- synthesis process
- urea synthesis
- urea
- synthesis
- Prior art date
Links
- 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
- 238000000034 method Methods 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
- Carbon And Carbon Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (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 (1)
| Publication Number | Publication Date |
|---|---|
| BR8102284A true BR8102284A (pt) | 1981-12-01 |
Family
ID=12808989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8102284A BR8102284A (pt) | 1980-04-15 | 1981-04-14 | Processo para sinteizar ureia |
Country Status (9)
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 |
| US9238211B1 (en) | 2014-08-15 | 2016-01-19 | Rec Silicon Inc | Segmented silicon carbide liner |
| US9446367B2 (en) | 2014-08-15 | 2016-09-20 | Rec Silicon Inc | Joint design for segmented silicon carbide liner in a fluidized bed reactor |
| 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 |
| EP4436703A1 (en) * | 2022-03-28 | 2024-10-02 | 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 BR BR8102284A patent/BR8102284A/pt unknown
- 1981-04-14 IT IT21139/81A patent/IT1137354B/it active
- 1981-04-14 CA CA000375434A patent/CA1250314A/en not_active Expired
- 1981-04-15 FR FR8107634A patent/FR2480280A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480280B1 (US08197722-20120612-C00093.png) | 1983-07-01 |
| IN155840B (US08197722-20120612-C00093.png) | 1985-03-16 |
| NL8101499A (nl) | 1981-11-02 |
| GB2073751B (en) | 1984-02-01 |
| IT1137354B (it) | 1986-09-10 |
| IT8121139A0 (it) | 1981-04-14 |
| FR2480280A1 (fr) | 1981-10-16 |
| GB2073751A (en) | 1981-10-21 |
| JPS56147756A (en) | 1981-11-16 |
| DE3114218A1 (de) | 1982-03-04 |
| CA1250314A (en) | 1989-02-21 |
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