IT969647B - Processo di purificazione per un gas contenente acido cianidrico - Google Patents
Processo di purificazione per un gas contenente acido cianidricoInfo
- Publication number
- IT969647B IT969647B IT30605/72A IT3060572A IT969647B IT 969647 B IT969647 B IT 969647B IT 30605/72 A IT30605/72 A IT 30605/72A IT 3060572 A IT3060572 A IT 3060572A IT 969647 B IT969647 B IT 969647B
- Authority
- IT
- Italy
- Prior art keywords
- gas containing
- purification process
- hydrocyanic acid
- containing hydrocyanic
- acid
- Prior art date
Links
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)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treating Waste Gases (AREA)
- Industrial Gases (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8223371A JPS5638638B2 (it) | 1971-10-18 | 1971-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT969647B true IT969647B (it) | 1974-04-10 |
Family
ID=13768675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30605/72A IT969647B (it) | 1971-10-18 | 1972-10-18 | Processo di purificazione per un gas contenente acido cianidrico |
Country Status (8)
Country | Link |
---|---|
US (1) | US3855390A (it) |
JP (1) | JPS5638638B2 (it) |
CA (1) | CA974033A (it) |
DE (1) | DE2250934A1 (it) |
FR (1) | FR2156769B1 (it) |
GB (1) | GB1413521A (it) |
IT (1) | IT969647B (it) |
NL (1) | NL168714C (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073862A (en) * | 1973-08-24 | 1978-02-14 | Dr. C. Otto & Comp. G.M.B.H. | Process for removing ammonia, hydrogen sulfide and hydrocyanic acid from gases |
US3956460A (en) * | 1973-11-05 | 1976-05-11 | Ralph M. Parsons Company | Process for the treatment of gas streams containing hydrogen cyanide |
US3990971A (en) * | 1974-09-30 | 1976-11-09 | Texaco Inc. | Metal cyanide complex compound disposal |
DE2706152B2 (de) * | 1977-02-14 | 1979-05-23 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Abtrennen von Cyanwasserstoff und Metallverbindungen aus Gasen |
FI62040C (fi) * | 1979-02-06 | 1982-11-10 | Outokumpu Oy | Foerfarande foer tvaettning av cyanidhaltiga ugnsgaser som uppstaor i metallurgisk industri |
US4372940A (en) * | 1981-10-26 | 1983-02-08 | Sterling Drug Inc. | Process and apparatus for treatment of thiosulfate containing liquors |
US4387084A (en) * | 1981-10-26 | 1983-06-07 | Sterling Drug Inc. | Process for treating thiosulfate containing liquors |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA525811A (en) * | 1956-06-05 | American Cyanamid Company | Recovery of ammonia from gases containing hcn | |
US705152A (en) * | 1901-12-30 | 1902-07-22 | British Cyanides Company Ltd | Method of making sulfocyanids from coal-gas. |
GB190601764A (en) * | 1906-01-23 | 1906-05-24 | Dr Hugo Noerdlinger | A Process for Recovering Cyanogen Compounds from Waste Waters, Solutions and the like and for Rendering the Liquids Innocuous |
US1908515A (en) * | 1927-12-06 | 1933-05-09 | Keller Konrad | Treating thiocyanate solutions |
US1932819A (en) * | 1928-05-15 | 1933-10-31 | Koppers Co Inc | Treating thiocyanogen compounds |
US1854511A (en) * | 1928-08-20 | 1932-04-19 | Koppers Co Inc | Gas purification |
GB359004A (en) * | 1930-07-08 | 1931-10-08 | Ig Farbenindustrie Ag | Improvements in or relating to the technical hydrolysis of thiocyanic acid or salts thereof |
GB399778A (en) * | 1932-01-04 | 1933-10-12 | Koppers Co Delaware | Improvements in or relating to a process for the treatment of gases |
US2459464A (en) * | 1945-11-06 | 1949-01-18 | Blaw Knox Co | Detoxification of cyanide-containing industrial waste liquors |
US2819950A (en) * | 1952-03-27 | 1958-01-14 | Texas Gulf Sulphur Co | Conversion of hydrogen sulfide to sulfur with quinones |
NL88127C (it) * | 1952-09-18 | |||
DE1005047B (de) * | 1953-06-11 | 1957-03-28 | Dr Phil Kalman Von Szombathy | Verfahren zur Dehydrierung bzw. Oxydation von anorganischen und organischen Schwefelverbindungen |
-
1971
- 1971-10-18 JP JP8223371A patent/JPS5638638B2/ja not_active Expired
-
1972
- 1972-10-13 US US00297264A patent/US3855390A/en not_active Expired - Lifetime
- 1972-10-17 FR FR7236770A patent/FR2156769B1/fr not_active Expired
- 1972-10-17 CA CA154,101A patent/CA974033A/en not_active Expired
- 1972-10-18 NL NLAANVRAGE7214102,A patent/NL168714C/xx not_active IP Right Cessation
- 1972-10-18 DE DE2250934A patent/DE2250934A1/de active Pending
- 1972-10-18 GB GB4797872A patent/GB1413521A/en not_active Expired
- 1972-10-18 IT IT30605/72A patent/IT969647B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS4846568A (it) | 1973-07-03 |
CA974033A (en) | 1975-09-09 |
FR2156769B1 (it) | 1975-03-28 |
DE2250934A1 (de) | 1973-05-03 |
NL168714C (nl) | 1982-05-17 |
GB1413521A (en) | 1975-11-12 |
NL168714B (nl) | 1981-12-16 |
FR2156769A1 (it) | 1973-06-01 |
NL7214102A (it) | 1973-04-24 |
JPS5638638B2 (it) | 1981-09-08 |
US3855390A (en) | 1974-12-17 |
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