| abstract |
A composition for removing a sulfur-containing compound in a liquid or a gas, wherein the sulfur-containing compound is hydrogen sulfide, a compound containing -SH group, or a mixture thereof, and the composition contains the following general formula ( 1) The α, β-unsaturated aldehyde shown is an active ingredient.nn n n n n n n n n n (R 1 and R 2 each independently represent an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms or an aryl group having 6 to 12 carbon atoms, or an alkylene group having 2 to 6 carbon atoms connected to each other. R 3 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, or R 1 represents an alkylene group having 2 to 6 carbon atoms) |