مشخصات پژوهش

عنوان	Multivariate Optimization and Adsorption Characterization of As(III) Removal by Using Fraxinus Tree Leaves
نوع پژوهش	مقاله چاپ‌شده
کلیدواژه‌ها	As(III); Central composite design; Desirability function; Fraxinus tree leaves
چکیده	This study introduces Fraxinus tree leaves as a new, efficient biosorbent of As(III). A suitable response surface was achieved by running a central composite design. Simultaneous optimization of both responses (R% and q) was carried out and 67% of the goal of desirability function was attained. The results obtained for simultaneous optimization are R¼70% and q¼80.6mg g1 with 67% desirability in m¼600mg L1 where s¼0.10 g and pH¼3.9. Langmuir and Freundlich isotherms model were applied in explaining the sorbent–sorbate equilibrium study, and maximum capacity uptake equals 99.97 mg g1 and KL¼0.05 L mg1 has been obtained. Fourier Transfer Infra-Red (FT-IR) and kinetic results were considered to examine the functional groups involved and the adsorption mechanism.
پژوهشگران	سعید امانی کمایی (بازنشسته) (نفر چهارم)، پیمان ذوالقرنین (نفر سوم)، علی شاهمرادی (نفر دوم)، جواد ذوالقرنین (بازنشسته) (نفر اول)