The acetylene is
absorbed by a liquid solvent and then reacted to produce ethylene, a longer hydrocarbon chain that is the starting
constituent of many plastics, detergents and
other products.
Much of this IR is at wavelengths at which
other atmospheric
constituents do not interact, so if CO2 is exposed to a warmer surface like the earth, it will
absorb radiation that would otherwise pass through into the cold of space AND likewise if CO2 is exposed to the cool of outer space it will emit vast quantities of IR at wavelengths which
other gases can not emit.