HEAVY METALS REMOVAL FROM SYNTHETIC WASTEWATER BY A NOVEL NANO-SIZE COMPOSITE ADSORBENT

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ONUNDI Y.B.; MAMUN A.A.; AL KHATIB M.F.; AL SAADI M.A.; SULEYMAN A.M.

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Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2011 | Volume:8 | Issue:4 (32) Page(s): 799-806

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Title

HEAVY METALS REMOVAL FROM SYNTHETIC WASTEWATER BY A NOVEL NANO-SIZE COMPOSITE ADSORBENT

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Keywords

ADSORPTION

CARBON NANOTUBES

GRANULAR ACTIVATED CARBON

ISOTHERM

Abstract

The effects of varying operating conditions on metals removal from aqueous solution using a novel nano-size composite adsorbent are reported in this paper. Characterization of the composite adsorbent material showed successful production of CARBON NANOTUBES on GRANULAR ACTIVATED CARBON using 1 % nickel as catalyst. In the laboratory ADSORPTION experiment, initial mixed metals concentration of 2.0 mg/L Cu2+, 1.5 mg/L Pb2+ and 0.8 mg/L Ni2+ were synthesized based on metals concentration from samples collected from a semiconductor industry effluent. The effects of operation conditions on metals removal using composite adsorbent were investigated. Experimental conditions resulting in optimal metals ADSORPTION were observed at pH 5, 1 g/L dosage and 60 min contact time. It was noted that the percentage of metals removal at the equilibrium condition varied for each metal, with lead recording 99 %, copper 61 % and nickel 20 %, giving metal affinity trend of Pb2+>Cu2+>Ni2+ on the adsorbent. Langmuir’s ADSORPTION ISOTHERM model gave a higher R2 value of 0.93, 0.89 and 0.986 for copper, nickel and lead, respectively, over that of Freundlich model during the ADSORPTION process of the three metals in matrix solution.

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APA: Copy

ONUNDI, Y.B., MAMUN, A.A., AL KHATIB, M.F., AL SAADI, M.A., & SULEYMAN, A.M.. (2011). HEAVY METALS REMOVAL FROM SYNTHETIC WASTEWATER BY A NOVEL NANO-SIZE COMPOSITE ADSORBENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 8(4 (32)), 799-806. SID. https://sid.ir/paper/285391/en

Vancouver: Copy

ONUNDI Y.B., MAMUN A.A., AL KHATIB M.F., AL SAADI M.A., SULEYMAN A.M.. HEAVY METALS REMOVAL FROM SYNTHETIC WASTEWATER BY A NOVEL NANO-SIZE COMPOSITE ADSORBENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2011;8(4 (32)):799-806. Available from: https://sid.ir/paper/285391/en

IEEE: Copy

Y.B. ONUNDI, A.A. MAMUN, M.F. AL KHATIB, M.A. AL SAADI, and A.M. SULEYMAN, “HEAVY METALS REMOVAL FROM SYNTHETIC WASTEWATER BY A NOVEL NANO-SIZE COMPOSITE ADSORBENT,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 8, no. 4 (32), pp. 799–806, 2011, [Online]. Available: https://sid.ir/paper/285391/en

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