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
C10K1/00 Purifying combustible gases containing carbon monoxide
C10K1/002 Removal of contaminants
C10K1/003 of acid contaminants, e.g. acid gas removal