JPS56147756A - Synthetic method of urea using silicon carbide material in apparatus - Google Patents
Synthetic method of urea using silicon carbide material in apparatusInfo
- Publication number
- JPS56147756A JPS56147756A JP4864180A JP4864180A JPS56147756A JP S56147756 A JPS56147756 A JP S56147756A JP 4864180 A JP4864180 A JP 4864180A JP 4864180 A JP4864180 A JP 4864180A JP S56147756 A JPS56147756 A JP S56147756A
- Authority
- JP
- Japan
- Prior art keywords
- silicon carbide
- urea
- carbide material
- corrosion
- cavitation
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title abstract 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title abstract 7
- 229910010271 silicon carbide Inorganic materials 0.000 title abstract 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000010189 synthetic method Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 4
- 238000005260 corrosion Methods 0.000 abstract 3
- 230000007797 corrosion Effects 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000003628 erosive effect Effects 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000005234 chemical deposition Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 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)
- Details Of Valves (AREA)
- Carbon And Carbon Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (9)
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 |
IN323/CAL/81A IN155840B (ja) | 1980-04-15 | 1981-03-25 | |
NL8101499A NL8101499A (nl) | 1980-04-15 | 1981-03-26 | Werkwijze voor de bereiding van ureum. |
GB8110277A GB2073751B (en) | 1980-04-15 | 1981-04-01 | Urea synthesis |
DE19813114218 DE3114218A1 (de) | 1980-04-15 | 1981-04-08 | "verfahren zum synthetischen herstellen von harnstoff unter verwendung von siliziumkarbidmaterialien in der anlage" |
BR8102284A BR8102284A (pt) | 1980-04-15 | 1981-04-14 | Processo para sinteizar ureia |
CA000375434A CA1250314A (en) | 1980-04-15 | 1981-04-14 | Urea synthesizing process utilizing silicon carbide materials in its equipment |
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 |
FR8107634A FR2480280A1 (fr) | 1980-04-15 | 1981-04-15 | Perfectionnements aux procedes pour la synthese de l'uree |
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 |
---|---|
JPS56147756A true JPS56147756A (en) | 1981-11-16 |
Family
ID=12808989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4864180A Pending JPS56147756A (en) | 1980-04-15 | 1980-04-15 | Synthetic method of urea using silicon carbide material in apparatus |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS56147756A (ja) |
BR (1) | BR8102284A (ja) |
CA (1) | CA1250314A (ja) |
DE (1) | DE3114218A1 (ja) |
FR (1) | FR2480280A1 (ja) |
GB (1) | GB2073751B (ja) |
IN (1) | IN155840B (ja) |
IT (1) | IT1137354B (ja) |
NL (1) | NL8101499A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06136516A (ja) * | 1992-02-26 | 1994-05-17 | Toyo Eng Corp | 尿素合成プラント用減圧弁 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110033018A1 (en) * | 2009-08-10 | 2011-02-10 | Caldera Engineering, Lc | Method for bonding ceramic materials |
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 |
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 |
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 IT IT21139/81A patent/IT1137354B/it active
- 1981-04-14 CA CA000375434A patent/CA1250314A/en not_active Expired
- 1981-04-14 BR BR8102284A patent/BR8102284A/pt unknown
- 1981-04-15 FR FR8107634A patent/FR2480280A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06136516A (ja) * | 1992-02-26 | 1994-05-17 | Toyo Eng Corp | 尿素合成プラント用減圧弁 |
Also Published As
Publication number | Publication date |
---|---|
GB2073751A (en) | 1981-10-21 |
CA1250314A (en) | 1989-02-21 |
FR2480280B1 (ja) | 1983-07-01 |
NL8101499A (nl) | 1981-11-02 |
DE3114218A1 (de) | 1982-03-04 |
IN155840B (ja) | 1985-03-16 |
BR8102284A (pt) | 1981-12-01 |
IT1137354B (it) | 1986-09-10 |
GB2073751B (en) | 1984-02-01 |
IT8121139A0 (it) | 1981-04-14 |
FR2480280A1 (fr) | 1981-10-16 |
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