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CORESTA Congress, Shanghai, 2008, SSPT 52

The application of the composite porous materials to reduce the harmful compounds in mainstream smoke

CAO Yi; YUE Ming Bo; YANG Jing; ZHUANG Tingting; ZHU Jianhua; GHOSH M.; VAN HEEMST J.; CUNNINGHAM F.
Nanjing University, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing, China.

In order to reduce the harmful compounds in cigarette smoke, two types of composite porous materials are synthesized. Based on mesoporous materials, SBA-15 and MCM-41, zeolites HZSM-5 and NaY fragments are introduced into the synthetic system and assembled with mesoporous materials. These composite porous materials combine the advantages of micro- and mesoporous materials. And they exhibit higher effects on reducing the tar free radicals, TSNAs and some vapor phase compounds than activated carbon. In another way, zeolite HZSM-5 is coated into activated carbon and tailored by alkali solution, respectively. Their ability to reduce TSNAs in mainstream smoke is also obviously improved compared with activated carbon.