Study on Selectively Reducing Phenol Delivery in Mainstream Cigarette Smoke with Bio-Polyamines Modified Graphene Materials

doi:10.14088/j.cnki.issn0439-8114.2018.09.006

Abstract

Abstract: To selectively reduce the delivery of phenol in mainstream cigarette smoke,a functionalized sorbing material（SP-GO） was prepared via bio-polyamines modification of graphene. The synthesized SP-GO was characterized by fourier transform infrared spectroscopy,scanning electron microscopy,specific surface area analyzer,dynamic light scattering, zeta potential. The effect of SP-GO on the removal of phenol in the mainstream cigarette smoke was investigated,and the selective phenol adsorption mechanism of SP-GO was discussed. The results showed that, SP-GO presented 2-dimensionalflatstrcture composed of 2-4 layers with a specific surface area of 353.9 m²/g. The average particle size of SP-GO was 181.3 nm,the zeta potential of SP-GO was 34.9 mV. The aqueous solution of SP-GO showed good stability in 28 days. SP-GO selectively reduced the phenol in mainstream cigarette smoke by 29.2%%,and the phenol reduction rate to unit of tar in mainstream cigarette smoke reached 32.4%. SP-GO can adsorb phenol specifically via the strong π-π electron conjugated effect between graphene and aromatic rings of phenol,while the amine,hydroxyl and carboxyl groups on the surface of SP-GO can form hydrogen bonds with phenol. Both physical and chemical adsorptions improved the efficiency of selectively phenol reduction in mainstream cigarette smoke with SP-GO.

Key words: bio-polyamines, graphene, phenol, selective harm reduction, mainstream cigarette smoke

CLC Number:

TS41⁺1

KUANG Ying, ZHENG Hou-qing, SONG Xu-yan, WEI Min, LI Ran, PAN Xi, CHEN Yi-kun. Study on Selectively Reducing Phenol Delivery in Mainstream Cigarette Smoke with Bio-Polyamines Modified Graphene Materials[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(9): 25-29.

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