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Research on Source Profile of Aerosol Organic Compounds in Leather Plant

WANG Bo-guang,ZHOU Yan,FENG Zhi-cheng,LIU Hui-xuan(Department of Environmental Engineering,Jinan University,Guangzhou 510632,China)  
Through investigating current air pollution condition for PM_(10) in every factories of different style leather plants in Pearl River Delta,characteristic profile of semi-volatile organic compounds in PM_(10) emitted from leather factories and their contents were researched by using ultrasonic and gas chromatography and mass spectrum technology.The 6 types of organic compounds containing 46 species in total were found in the collected samples,including phenyl compounds,alcohols,PAHs,acids,esters and amides.The concentrations of PM_(10) in leather tanning plant,leather dying plant and man-made leather plant were 678.5,454.5,498.6(μg·m~(-3)) respectively,and concentration of organic compounds in PM_(10) were 10.04,6.89,14.21(μg·m~(-3)) in sequence.The more important type of pollutants in each leather plants had higher contribution to total organic mass as follows,esters and amides in tanning plants profile account for 43.47% and 36.51% respectively;esters and alcohols in dying plants profiles account for 52.52% and 16.16% respectively;esters and amide in man-made leather plant have the highest content and account for 57.07% and 24.17% respectively.In the aerosol organic source profiles of tested leather plants,9-octadecenamide was the abundant important species with the weight of 26.15% in tanning plant,and Bis(2-ethylhexyl) phthalate was up to 44.19% in the dying plant,and Bis(2-ethylhexyl) maleate and 1-hydroxy-piperidine had obviously higher weight in man-made plant than the other two plants.
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