FR1378708A - Procédé de purification de mélanges gazeux contenant des impuretés - Google Patents
Procédé de purification de mélanges gazeux contenant des impuretésInfo
- Publication number
- FR1378708A FR1378708A FR959320A FR959320A FR1378708A FR 1378708 A FR1378708 A FR 1378708A FR 959320 A FR959320 A FR 959320A FR 959320 A FR959320 A FR 959320A FR 1378708 A FR1378708 A FR 1378708A
- Authority
- FR
- France
- Prior art keywords
- purification
- mixtures containing
- gas mixtures
- containing impurities
- impurities
- 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
- 239000012535 impurity Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/004—Halogenides of cyanogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR959320A FR1378708A (fr) | 1952-06-02 | 1964-01-03 | Procédé de purification de mélanges gazeux contenant des impuretés |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US291355A US2781481A (en) | 1952-06-02 | 1952-06-02 | Semiconductors and methods of making same |
| US294741A US2894862A (en) | 1952-06-02 | 1952-06-20 | Method of fabricating p-n type junction devices |
| FR959320A FR1378708A (fr) | 1952-06-02 | 1964-01-03 | Procédé de purification de mélanges gazeux contenant des impuretés |
| DE19681767004 DE1767004A1 (de) | 1952-06-02 | 1968-03-20 | Verfahren zur Herstellung von Chlorcyan neben Cyanurchlorid und tetramerem Chlorcyan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1378708A true FR1378708A (fr) | 1964-11-13 |
Family
ID=27430702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959320A Expired FR1378708A (fr) | 1952-06-02 | 1964-01-03 | Procédé de purification de mélanges gazeux contenant des impuretés |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1378708A (fr) |
-
1964
- 1964-01-03 FR FR959320A patent/FR1378708A/fr not_active Expired
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