LEAD REMOVAL FROM AQUEOUS SOLUTIONS USING LOW-COST ADSORBENTS

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SHAHMOHAMMADI HEYDARI Z.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: WATER AND WASTEWATER Year:2010 | Volume:21 | Issue:3 (75) Page(s): 45-50

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Title

LEAD REMOVAL FROM AQUEOUS SOLUTIONS USING LOW-COST ADSORBENTS

Author(s)

SHAHMOHAMMADI HEYDARI Z. | Issue Writer Certificate

Keywords

RICE HUSKQ3

SAWDUSTQ3

SUNFLOWER STEMQ3

TEMKIN ADSORPTION ISOTHERMQ3

ABSORPTION EFFICIENCYQ3

LEADQ2

Abstract

This study examines the removal of LEAD from an aqueous medium using RICE HUSK, SAWDUST, and SUNFLOWER STEM. For this purpose, sieves No. 30 and 40 were used to obtain particles with a mean size of 500 microns from each of the absorbents. The Pb (II) solution was prepared with a concentration of 25 mg/liter before absorption tests were conducted. The results showed that the equilibrium time for RICE HUSK was 90 min. while the same parameter for each of the other two absorbents was 120 min. An optimal absorption pH of 6 hours was obtained for each absorbent. The tests also showed that the ABSORPTION EFFICIENCY for each absorbent increased as the input LEAD concentration was reduced from 80 to 1mg/liter, so that the absorption efficiencies for different absorbents converged. ABSORPTION EFFICIENCY also increased with mass. Isothermal absorption tests showed that the Tomkin model had a better fitness than the Langmuir and Freundlich models.

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APA: Copy

SHAHMOHAMMADI HEYDARI, Z.. (2010). LEAD REMOVAL FROM AQUEOUS SOLUTIONS USING LOW-COST ADSORBENTS. WATER AND WASTEWATER, 21(3 (75)), 45-50. SID. https://sid.ir/paper/104132/en

Vancouver: Copy

SHAHMOHAMMADI HEYDARI Z.. LEAD REMOVAL FROM AQUEOUS SOLUTIONS USING LOW-COST ADSORBENTS. WATER AND WASTEWATER[Internet]. 2010;21(3 (75)):45-50. Available from: https://sid.ir/paper/104132/en

IEEE: Copy

Z. SHAHMOHAMMADI HEYDARI, “LEAD REMOVAL FROM AQUEOUS SOLUTIONS USING LOW-COST ADSORBENTS,” WATER AND WASTEWATER, vol. 21, no. 3 (75), pp. 45–50, 2010, [Online]. Available: https://sid.ir/paper/104132/en

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