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Decontamination of Water Polluted by Chromium (VI) using Calocasia esculenta


Citation

Chan, Kar Men (2018) Decontamination of Water Polluted by Chromium (VI) using Calocasia esculenta. Final Year Project thesis, Faculty of Earth Sciences. (Submitted)

Abstract

The existing water is becoming polluted nowadays due to high anthropogenic emission of water. The phytoremediation technology is used to treat the contaminated soil and water which containing higher amount of pollutants. The water that contains heavy metals will cause water scarcity and affect human health when human drink the water. In this study, Colocasiu esculenta was chosen for the removal of Cr (Vl) in water. The efficiency of Cesculenta in accumulates Cr (Vl) in synthetic wastewater was evaluated. The effect of time and concentration of Cr (VI) were identified in this study. Cr (VI) concentration was determined using diphenylcarbazide method (DPC) and AAS. Experiment were set up in reactor tank with varies the concentration of synthetic wastewater of 1, 2, 5, 10, 50, 500 and 1000 mg/L and was continued for 36 days. The result of removal percentage for the 1, 2, 5 and 10 mg/L reach 100% while for 50, 500 and 1000 mg/L only remove 99.99%, 94.79% and 55.84% respectively. Roots of Cesculenta are able to accumulate Cr (VI) in wastewater which with BCF value was 1.557 mg/L. The BCF value of roots were more than 1, represents the higher accumulation of metal in plant. Therefore, C. esculenta has potential to use in removing Cr (VI) in water.

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Additional Metadata

Item Type: Undergraduate Final Project Report
Collection Type: Final Year Project
Date: 2018
Call Number: SEL 2018 004
Supervisor: Dr. Rozidaini Mohd Ghazi
Programme: Sustainable Science
Institution: Faculty of Earth Sciences
Faculty/Centre/Office: Faculty of Earth Sciences
URI: http://discol.umk.edu.my/id/eprint/4919
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