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  • Absorption of benzopyrene by rosin starch ester.

    Author(s) : Wu JiaLu YouDaYang HuiLai XiChenLin RiHuiChen QiYong

    Author Affiliation : Guangxi Colleges and Universities Key Laboratory of Utilization of Microbial and Botanical Resources, College of Marine Sciences and Biotechnology, Guangxi University for Nationalities, Nanning 530006, China.

    Author Email : rihuilin@aliyun.com

    Journal article : Chemistry and Industry of Forest Products 2017 Vol.37 No.4 pp.67-72 ref.25

    Abstract : The absorptionabsorptionSubject Category: Natural Processes
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    of benzopyrene in octane solution by rosinrosinSubject Category: Chemicals and Chemical Groups
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    rosinSubject Category: Commodities and Products
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    starchstarchSubject Category: Chemicals and Chemical Groups
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    ester was studied in this paper. Affect factors including temperature, contact time, initial concentration of benzopyrene and the degree of substitution (Ds) of the rosin starch ester were investigated. The thermodynamics and kinetics of the absorption process were also studied. The results showed that increasing the absorption temperature, the benzopyrene concentration, and the Ds of the adsorbent were beneficial to the adsorption process. Using rosin starch ester (Ds=0.12) as adsorbent, absorbing 120 min at 50°C in 10 mg/L benzopyrene, the absorption capacity of benzopyrene reached to 20.76 µg/g. The measured results were fitted with the Langmuir isotherm better. Thermodynamic parameters ΔGθ, ΔHθ and ΔSθ indicated that the adsorption process was spontaneous and endothermic. Analysis of the kinetic data suggested the pseudo second order kinetic model was suitable for describing the adsorption process.

    ISSN : 0253-2417

    URL : http://www.cifp.ac.cn/.../current.shtml

    Record Number : 20173350111

    Publisher : Chemistry and Industry of Forest Products

    Location of publication : Nanjing

    Country of publication : China

    Language of text : Chinese

    Language of summary : English

    Indexing terms for this abstract:

    Descriptor(s) : absorptionabsorptionSubject Category: Natural Processes
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    , forest productsforest productsSubject Category: Commodities and Products
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    , rosinrosinSubject Category: Commodities and Products
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    , starchstarchSubject Category: Chemicals and Chemical Groups
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