In recent years,environment problems have been a hot issue of concern to the public.Chlorinated volatile organic compounds such as dichloromethane (DCM) have been a serious threat to the public health and environment as hazardous chemical substances.Solving these problems has become an urgent issue in nowadays society.Ionic liquids (ILs) are supposed to be potential solvents to absorb gases due to their unique structures and properties,which have exhibited excellent absorption capacity in NH_3,SO_2,CO_2 and other gases.In this paper,a series of conventional ILs including BmimBF
