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| SECTION C– CHEMISTRY; METALLURGY |
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| C 10 | PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT |
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| C 10 K | PURIFYING OR MODIFYING THE CHEMICAL COMPOSITIONS OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE |
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1/ | 00 | Purifying combustible gases containing carbon monoxide (isolation of hydrogen from mixtures containing hydrogen and carbon monoxide C 01 B 3/50) |
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1/ | 02 | . | Dust removal |
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1/ | 04 | . | by cooling to condense non-gaseous materials |
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1/ | 06 | . | . | combined with spraying with water |
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1/ | 08 | . | by washing with liquids; Reviving the used wash liqours (gas washers B 01 D) |
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1/ | 10 | . | . | with aqueous liquids |
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1/ | 12 | . | . | . | alkaline-reacting |
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1/ | 14 | . | . | . | . | organic |
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1/ | 16 | . | . | with non-aqueous liquids |
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1/ | 18 | . | . | . | hydrocarbon oils |
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1/ | 20 | . | by treating with solids; Regenerating spent purifying masses |
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1/ | 22 | . | . | Apparatus, e.g. dry box purifiers |
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1/ | 24 | . | . | . | Supporting means for the purifying material |
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1/ | 26 | . | . | Regeneration of the purifying material |
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1/ | 28 | . | . | Controlling the gas flow through the purifiers |
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1/ | 30 | . | . | with moving purifying masses |
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1/ | 32 | . | with selectively absorptive solids, e.g. active carbon |
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1/ | 34 | . | by catalytic conversion of impurities to more readily removable materials |
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3/ | 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 |
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3/ | 02 | . | by catalytic treatment |
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3/ | 04 | . | . | reducing the carbon monoxide content |
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3/ | 06 | . | by mixing with gases |
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