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فناوری منابع زیستی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • kinetic modeling of bioregeneration of chlorophenol-loaded granular activated carbon in simultaneous adsorption and biodegradation processes

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 495
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a kinetic model incorporating adsorption, desorption and biodegradation processes was developed to describe the bioregeneration of granular activated carbon (gac) loaded with 4-chlorophenol (4-cp) and 2,4-dichlorophenol (2,4-dcp), respectively, in simultaneous adsorption and biodegradation processes. the model was numerically solved and the results showed that the kinetic model was well-fitted (r2 > 0.83) to the experimental data at different gac dosages and at various initial 4-cp and 2,4-dcp concentrations. the rate of bioregeneration in simultaneous adsorption and biodegradation processes was influenced by the ratio of initial chlorophenol concentration to gac dosage. enhancement in the rate of bioregeneration was achieved by using the lowest ratio under either one of the following experimental conditions: (1) increasing initial chlorophenol concentration at constant gac dosage and (2) increasing gac dosage at constant initial chlorophenol concentration. it was found that the rate enhancement was more pronounced under the second experimental condition.

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