Reduction of Benzo[A]Pyrene in Coal Tar Pitch with Cross Linking Monomers

De Min He; Jun Gu; Yang Liu Huang; Di Wu; Shu Chang Zhao; Qiu Min Zhang

doi:10.4028/www.scientific.net/AMR.663.1017

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 663Reduction of Benzo[A]Pyrene in Coal Tar Pitch with...

Reduction of Benzo[A]Pyrene in Coal Tar Pitch with Cross Linking Monomers

Abstract:

This paper investigated the reduction of benzo[a]pyrene (BaP) in coal tar pitch by modifying with 1,4-Benzenedimethanol, Divinylbenzene and Trioxymethylene. Coal tar pitch was modified by these Cross linking monomers respectively. The content of BaP in product was determined. The results indicated that 48.28% BaP was reduced in modified pitch with 12% divinylbenzene at 130°C for 3 hours; 66.38% BaP was reduced in modified pitch with 25%1, 4-Benzenedimethanol at 120°C for 1 hour; Furthermore, 92.24% BaP was reduced in modified pitch with 25% trioxymethylene at 110°C for 0.5~1h. Pure BaP was blended with trioxymethylene. The C13 N.M.R.spectras of raw material and product were determined, the mechanism probably including C-alkylation.

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Periodical:

Advanced Materials Research (Volume 663)

Pages:

1017-1022

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.663.1017

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Online since:

February 2013

Authors:

De Min He, Jun Gu, Yang Liu Huang, Di Wu, Shu Chang Zhao, Qiu Min Zhang

Keywords:

Alkylation, Benzo[a]pyrene, Coal Tar Pitch

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