GB753975A - A process for the purification of tar-containing gases - Google Patents
A process for the purification of tar-containing gasesInfo
- Publication number
- GB753975A GB753975A GB29348/54A GB2934854A GB753975A GB 753975 A GB753975 A GB 753975A GB 29348/54 A GB29348/54 A GB 29348/54A GB 2934854 A GB2934854 A GB 2934854A GB 753975 A GB753975 A GB 753975A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- tar
- boiling point
- catalyst
- gases
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K3/00—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Industrial Gases (AREA)
Abstract
753,975. Purifying gases. OTTO & CO. GES., DR. C. KO-WE NIEDERSCHACHTOFEN GES., and FUCHS, W. Oct. 12, 1954 [Oct. 16, 1953], No. 29348/54. Class 55(2). In a process for purifying tar-containing gases, the gas containing tar in vapour or mist form is brought into contact with a non- metallic multi-substance catalyst which promotes the decomposition at comparatively low temperatures, e.g. 600‹-700‹C., of the tar into permanent gases, any non-gaseous tarry substances remaining in the gas are subsequently removed by cooling and/or washing the gas. A suitable catalyst consists of a mixture of a carbon-containing substance, e.g. coke, and a clay containing substance, e.g. montmirollonite, e.g. the coke being provided with a coating of the montmirollonite. High boiling point constitutents of the tar are converted into lower boiling point tar oils which are recovered by the cooling and/or washing step. In the event that the gases contain substantial amounts of high boiling point constituents the gas may require a second treatment consisting of passing the gas from the first treatment through or over a metallic catalyst whereby the residual high boiling point constituents are converted into low boiling point products. The catalyst may in this second treatment be in the form of a fixed or a vortex bed or the catalyst may be added in a finely divided state to the gas to be treated and subsequently separated therefrom by mechanical means.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE753975X | 1953-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB753975A true GB753975A (en) | 1956-08-01 |
Family
ID=6658718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29348/54A Expired GB753975A (en) | 1953-10-16 | 1954-10-12 | A process for the purification of tar-containing gases |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB753975A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562744A (en) * | 1993-06-11 | 1996-10-08 | Enviropower Oy | Method for treating process gas |
-
1954
- 1954-10-12 GB GB29348/54A patent/GB753975A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562744A (en) * | 1993-06-11 | 1996-10-08 | Enviropower Oy | Method for treating process gas |
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