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  • efficacy and reusability of alginate-immobilized live and heat-inactivated trichoderma asperellum cells for cu (ii) removal from aqueous solution

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 550
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     cu(ii) removal efficacies of alginate-immobilized trichoderma asperellum using viable and non-viable forms were investigated with respect to time, ph, and initial cu(ii) concentrations. the reusability potential of the biomass was determined based on sorption/desorption tests. cu(ii) biosorption by immobilized heat-inactivated t. asperellum cells was the most efficient, with 134.22 mg cu(ii) removed g−1 adsorbent, compared to immobilized viable cells and plain alginate beads (control) with 105.96 and 94.04 mg cu(ii) adsorbed g−1 adsorbent, respectively. immobilized non-viable cells achieved equilibrium more rapidly within 4 h. for all biosorbents, optimum ph for cu(ii) removal was between ph 4 and 5. reusability of all biosorbents were similar, with more than 90% cu(ii) desorbed with hcl. these alginate-immobilized cells can be applied to reduce clogging and post-separation process incurred from use of suspended biomass.

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