Adsorption of Heavy Metals by Cellulose Phosphate from Corn Husks
Abstract
The present study investigates the synthesis of cellulose phosphate (CP) from corn hulks as an adsorption material for the removal of two heavy metals, lead and cadmium, from synthesis wastewater. The CP was synthesized by the cellulose extraction from corn husks and following the phosphorylation reaction. Then, the heavy metals adsorption ability of cellulose phosphate were tested. The results reveal that yield of cellulose was 21.13 percent by weight and synthesis of CP found that yield of phosphate was 0.415 percent by weight. The efficiencies of CP for removal different heavy metals from synthesis wastewater were tested. The heavy metals adsorption ability was observed that the efficiency of CP for adsorption of lead is higher than efficiency for adsorption of cadmium. In addition, the efficiency of adsorption also depend on the incubation time and amount of CP. Keywords : cellulose phosphate, corn husks, heavy metals absorptionReferences
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Adsorption Lead and Cadmium in Waste Water.MasterofScienceThesis in Science Education. ValayaAlongkornRajabhat University.(In Thai)
Castro,Gustavo Rocha de,Ilton Luiz de Alcântara, Paulo dos Santos Roldan,Dorotéia de FátimaBozano,
Pedro deMagalhãesPadilha, Ariovaldo de Oliveira Florentino and Julio Cesar Rocha. (2004). Synthesis,
Characterizationand Determination of Cellulose Modified with p-Aminobenzoic Group. Materials
Research, vol.7, 329-334.
Lim, S.; Seib, P.A. (2011) Preparation and pasting properties of wheat and corn starch phosphates. Cereal Chem. 1993, 70, 137–144.
Nitimongkolchai.W.(2003). Removal of Chromium Industrial Wasewater by Bagasse Rasin.A Thesis Submitted in
Partial Fulfillment of the Requirements for the Degree of Master of Public Health Graduate School KhonKaen University.(In Thai)
Reddy, N., & Yang, Y. (2005). Biofibers from agricultural byproducts for industrial applications. TRENDS in
Biotechnology, 23(1), 22–27.
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Published
2017-02-22
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