Odor Ingredient Spectrum of Urban Trash in Tianjin

To ascertain the actual condition of pollution of the trash odor in Tianjin,the cold enrich-GC/MS was used to determine the main composition and the material contents of the gas of different trash treatment in different seasons.This paper clearly introduced the emissions rule of different treatment stages(collection,mid-transport,landfill,incineration)in different seasons;the relationship between the concentration of malodorous substance and the intensity;the main malodorous substance in different treatment stages.All of these would supply important theoretical basis for the selection of malodorous gas removing technology and scientific management to collect and treat the urban trash.