Treatment system and treatment method for tail gas generated after soil pollution microwave thermal desorption

The invention provides a treatment system and a treatment method for tail gas generated after microwave thermal desorption of soil pollution, and belongs to the technical field of thermal desorption post-treatment.The treatment system for the tail gas generated after microwave thermal desorption of the soil pollution comprises a condensation tank, a gas-liquid separator, a cryogenic condensation tank and at least one activated carbon adsorption column, the activated carbon adsorption column comprises a column body with an opening in one side and a sealing plate for sealing the opening, a containing cylinder with an upper opening and a lower opening is placed in the column body, and a supporting net for bearing activated carbon is arranged at the bottom of the containing cylinder; two limiting ring plates are arranged in the column body, and the upper end face and the lower end face of the containing cylinder are attached to the corresponding limiting ring plates correspondingly; connecting mechanisms used for