The invention relates to a preparation method of an organic
exhaust gas micro-
emulsion absorption liquid, and a method for applying the micro-
emulsion absorption liquid for cleaning industrial organic
exhaust gas comprising
benzene,
toluene,
xylene, and the like. The invention belongs to the technical field of
atmosphere pollution control. The absorption liquid is prepared from the components of, by
mass, 80-90% of water, 0.5-3% of a surfactant, 7-19.5% of a
coupling agent, and 0.02-0.06% of an auxiliary agent. The surfactant is sufficiently mixed with water, such that a surfactant solution is obtained; the auxiliary agent is dissolved in water, such that an auxiliary agent solution is obtained; the two solutions are combined and uniformly mixed; and the
coupling agent is added, and the obtained solution is stirred, such that the organic
exhaust gas micro-
emulsion absorption liquid is obtained. The organic exhaust gas micro-emulsion absorption liquid is suitable to be used for controlling exhaust gas containing
benzene-series
volatiles, and has the advantages of convenient
raw material source, low cost, mild and stable property,
low toxicity, environment-friendliness, no absorption
tower corrosion or blocking phenomena, no severe influence to
human health, high removal rate to organic exhaust gas, no need of pretreatment upon exhaust gas, and low investment and running cost. Saturated absorption liquid and absorbed organics can be recycled, such that waste can be turned useful.