NL8101499A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8101499A NL8101499A NL8101499A NL8101499A NL8101499A NL 8101499 A NL8101499 A NL 8101499A NL 8101499 A NL8101499 A NL 8101499A NL 8101499 A NL8101499 A NL 8101499A NL 8101499 A NL8101499 A NL 8101499A
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- silicon carbide
- valve
- valves
- materials
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 21
- 239000004202 carbamide Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title description 6
- 239000000463 material Substances 0.000 claims description 27
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 19
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 15
- 230000003628 erosive effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004035 construction material Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 13
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- 229910001093 Zr alloy Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 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 (2)
| 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 |
| JP4864180 | 1980-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8101499A true NL8101499A (nl) | 1981-11-02 |
Family
ID=12808989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8101499A NL8101499A (nl) | 1980-04-15 | 1981-03-26 | Werkwijze voor de bereiding van ureum. |
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 |
| IT1137354B (it) | 1986-09-10 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: TOYO ENGINEERING CORPORATION |
|
| BV | The patent application has lapsed |