BE664504A - - Google Patents
Info
- Publication number
- BE664504A BE664504A BE664504DA BE664504A BE 664504 A BE664504 A BE 664504A BE 664504D A BE664504D A BE 664504DA BE 664504 A BE664504 A BE 664504A
- Authority
- BE
- Belgium
- Prior art keywords
- urea
- oxygen
- steel
- synthesis
- chromium
- Prior art date
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
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3221864 | 1964-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE664504A true BE664504A (de) | 1965-09-16 |
Family
ID=12352774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE664504D BE664504A (de) | 1964-06-08 | 1965-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE664504A (de) |
-
1965
- 1965-05-26 BE BE664504D patent/BE664504A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2070230C1 (ru) | Способ пассивирования металлических поверхностей | |
| US2727069A (en) | Preparation of urea | |
| CN114072532A (zh) | 尿素装置中的铁素体钢部件 | |
| US4142875A (en) | Process for the purification of scrubbing solvents by removal of Ni(CO).sub. | |
| BE664504A (de) | ||
| AU8607698A (en) | Corrosion resistance of high temperature alloys | |
| CA1211689A (en) | Method for avoiding the corrosion of the strippers in the urea manufacturing plants | |
| US3488293A (en) | Prevention of corrosion due to urea fertilizer effluent | |
| US2680766A (en) | Method of inhibiting corrosion in urea synthesis reactors | |
| US6793119B2 (en) | Process for welding duplex steel | |
| US4224300A (en) | Process for preparation of carbonyl sulfide | |
| US4591644A (en) | Method and installation for the preparation of melamine | |
| CA2457200A1 (en) | Process for rendering metals corrosion resistant | |
| RU2015197C1 (ru) | Способ азотирования заготовок из стали | |
| US3989459A (en) | Method of preventing corrosion of steelworks | |
| FR2939131A1 (fr) | Procede de fabrication d'acide adipique | |
| WO2003087043A1 (en) | Process for the preparation of urea | |
| JPS60224764A (ja) | 高温用ｎ含有オ−ステナイトステンレス鋼 | |
| JPH11217370A (ja) | メチオニンの製造方法 | |
| JPS60224763A (ja) | 高温用オ−ステナイトステンレス鋼 | |
| RU2827830C1 (ru) | Применение ферритной стали в секции высокого давления установки для производства мочевины | |
| US1115164A (en) | Production of commercially-pure nitrates. | |
| JPS61551A (ja) | 強酸化かつ強硫化の腐食雰囲気での耐食性に優れた耐熱合金 | |
| US651510A (en) | Treatment of ores and precipitation of precious metals from their cyanid solutions. | |
| US1013984A (en) | Process of making nitrates. |