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Information Journal Paper

Title

INFLUENCE OF PH AND IONIC STRENGTH ON CADMIUM SORPTION BY SOME BIO SORBENTS

Pages

  133-140

Abstract

 To study the effect of PH and IONIC STRENGTH on the sorption behavior of CADMIUM by biosorbents, a batch experiment was conducted with various initial concentrations of Cd2+ (0 – 200 mg.L-1) with two biosorbents (sunflower stalks and apple pruning residues) in two PH (4, 8) levels and two IONIC STRENGTHs (0.1 and 0.03 M). Sorption data were fitted to Langmuir, Temkin and Freundlich Equations. Results showed that both PH and IONIC STRENGTH (IS) had significantly affected Cd sorption. Langmuir maximum mono layer adsorption (qmax) and binding energy value (KL) increased with increasing PH by two biosorbents. Sorption coefficients of Freundlich (KF, n) and Temkin (KT, A) indicated similar trends as well. But by increase in IS (from 0.03 to 0.1 M) all the sorption parameters decreased significantly. As for the case of sunflower stalks; with increase in IONIC STRENGTH, qmax on the average, decreased from 8505 to 8150 mg/kg and KL from 0.14 to 0.08 L/mg; and as for apple pruning residues, qmax decreased from 7550 to 7300 mg/kg and KL from 0.09 to 0.06 L/mg, respectively.

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    APA: Copy

    SEPEHR, EBRAHIM, & TOSAN, AMIR. (2015). INFLUENCE OF PH AND IONIC STRENGTH ON CADMIUM SORPTION BY SOME BIO SORBENTS. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 46(1), 133-140. SID. https://sid.ir/paper/225807/en

    Vancouver: Copy

    SEPEHR EBRAHIM, TOSAN AMIR. INFLUENCE OF PH AND IONIC STRENGTH ON CADMIUM SORPTION BY SOME BIO SORBENTS. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2015;46(1):133-140. Available from: https://sid.ir/paper/225807/en

    IEEE: Copy

    EBRAHIM SEPEHR, and AMIR TOSAN, “INFLUENCE OF PH AND IONIC STRENGTH ON CADMIUM SORPTION BY SOME BIO SORBENTS,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 46, no. 1, pp. 133–140, 2015, [Online]. Available: https://sid.ir/paper/225807/en

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