FR429696A - Procédé pour la production d'ammoniaque - Google Patents
Procédé pour la production d'ammoniaqueInfo
- Publication number
- FR429696A FR429696A FR429696A FR429696DA FR429696A FR 429696 A FR429696 A FR 429696A FR 429696 A FR429696 A FR 429696A FR 429696D A FR429696D A FR 429696DA FR 429696 A FR429696 A FR 429696A
- Authority
- FR
- France
- Prior art keywords
- ammonia
- production
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/288—Wiring diagram of the signal control circuits
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE429696X | 1910-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR429696A true FR429696A (fr) | 1911-09-28 |
Family
ID=6477644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR429696A Expired FR429696A (fr) | 1910-05-17 | 1911-05-13 | Procédé pour la production d'ammoniaque |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR429696A (fr) |
GB (1) | GB429696A (fr) |
-
1911
- 1911-05-13 FR FR429696A patent/FR429696A/fr not_active Expired
-
1933
- 1933-12-11 GB GB34881/33A patent/GB429696A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB429696A (en) | 1935-06-05 |
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