Main atmospheric treatment technologies: pretreatment, main treatment process, post-treatment process.

Pretreatment: dust removal, washing, filtration. Acid and alkali removal, water washing, dehumidification, heating, condensation heating, cooling, heat exchanger.
The main treatment processes are zeolite molecular adsorption, activated carbon adsorption, RTO, RCO, condensation method, biological method, and process combination.
Post-treatment process, acid removal, water washing, catalytic reduction, dioxin removal, adsorption method.