FR2278383A1 - Procede de decontamination de cyanure d'hydrogene gazeux et de gaz nitreux et application de ce procede a la decontamination de matieres solides contenant des cyanures et des nitrites - Google Patents
Procede de decontamination de cyanure d'hydrogene gazeux et de gaz nitreux et application de ce procede a la decontamination de matieres solides contenant des cyanures et des nitritesInfo
- Publication number
- FR2278383A1 FR2278383A1 FR7522176A FR7522176A FR2278383A1 FR 2278383 A1 FR2278383 A1 FR 2278383A1 FR 7522176 A FR7522176 A FR 7522176A FR 7522176 A FR7522176 A FR 7522176A FR 2278383 A1 FR2278383 A1 FR 2278383A1
- Authority
- FR
- France
- Prior art keywords
- detoxification
- opt
- gas phase
- nitrous gases
- phase reaction
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 title abstract 4
- 239000003054 catalyst Substances 0.000 title abstract 3
- 238000001784 detoxification Methods 0.000 title abstract 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 title abstract 3
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 title 2
- 238000010574 gas phase reaction Methods 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 150000002825 nitriles Chemical class 0.000 abstract 1
- 150000002826 nitrites Chemical class 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002341 toxic gas Substances 0.000 abstract 1
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Carbon And Carbon Compounds (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH984474A CH604856A5 (enrdf_load_stackoverflow) | 1974-07-17 | 1974-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2278383A1 true FR2278383A1 (fr) | 1976-02-13 |
| FR2278383B1 FR2278383B1 (enrdf_load_stackoverflow) | 1979-04-27 |
Family
ID=4356269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7522176A Granted FR2278383A1 (fr) | 1974-07-17 | 1975-07-16 | Procede de decontamination de cyanure d'hydrogene gazeux et de gaz nitreux et application de ce procede a la decontamination de matieres solides contenant des cyanures et des nitrites |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5140372A (enrdf_load_stackoverflow) |
| CH (1) | CH604856A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2531720A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2278383A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1041394B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742948C1 (de) * | 1987-12-18 | 1989-01-26 | Gerling Inst Pro Schadenforsch | Verfahren zur Entfernung und zur qualitativ-analytischen Bestimmung von Cyanid in verunreinigten Boeden |
| AT389823B (de) * | 1988-05-13 | 1990-02-12 | Chemie Holding Ag | Verfahren zur selektiven entfernung und vernichtung von cyanwasserstoff aus einem gemisch mit nitrosegasen |
-
1974
- 1974-07-17 CH CH984474A patent/CH604856A5/xx not_active IP Right Cessation
-
1975
- 1975-07-16 FR FR7522176A patent/FR2278383A1/fr active Granted
- 1975-07-16 DE DE19752531720 patent/DE2531720A1/de active Pending
- 1975-07-16 IT IT68861/75A patent/IT1041394B/it active
- 1975-07-17 JP JP50088208A patent/JPS5140372A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2278383B1 (enrdf_load_stackoverflow) | 1979-04-27 |
| JPS5140372A (en) | 1976-04-05 |
| DE2531720A1 (de) | 1976-02-05 |
| CH604856A5 (enrdf_load_stackoverflow) | 1978-09-15 |
| IT1041394B (it) | 1980-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |