Low-viscosity vegetable oil absorbent as well as preparation method and application thereof

The invention relates to the technical field of organic waste gas treatment, in particular to a low-viscosity vegetable oil absorbent as well as a preparation method and application thereof, and the preparation method comprises the following steps: transferring 10-50% by volume of organic solvent into 50-90% by volume of vegetable oil; the low-viscosity green environment-friendly plant oil absorbent is prepared by selecting three plant oil including rapeseed oil, soybean oil and peanut oil as absorbent substrates and adding screened organic solvents and defoaming agents in different proportions; after the prepared vegetable oil absorbent is filled into a bubbling type absorption device, green purification treatment of dichloromethane waste gas is realized by utilizing the characteristic that dichloromethane is quickly dissolved in a liquid absorbent; the absorbent prepared by the invention not only improves the absorption efficiency of dichloroethane waste gas, but also overcomes the engineering application d