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A Study on Behaviour of Bamboo Charcoal in Human Urine Treatment and Corrosion Inhibition

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Author(s): Mohd.Fairuz.Affandi Aziz, Poo MunYee

Journal: Journal of Sustainability Science and Management
ISSN 1823-8556

Volume: 5;
Issue: 1;
Start page: 77;
Date: 2010;
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Keywords: Bamboo charcoal | urine treatment | corrosion inhibition

ABSTRACT
This research is to study the behaviour of bamboo charcoal in urine treatment and corrosion inhibition. The analysis of Scanning Electron Microscopy was utilised to analyse the microstructure and macrostructure pores within bamboo charcoal. The images obtained from the analysis showed that bamboo charcoal had a large amount of pores and hence had high adsorption capacity. Besides that, analysis of X-ray Fluorescence (XRF) showed that bamboo charcoal consisted of several minerals. Potassium, calcium, manganese, iron, copper and zinc were found in bamboo charcoal. In order to carry out the urine treatment process, a simple filtration apparatus was set up in which bamboo charcoal was the main adsorbent. Human urine samples which were filtrated or infiltrated were then analysed by spread-plate method. The result of the spread-plate method showed that the amount of bacteria colonies in untreated urine sample decreased after treatment. Bamboo charcoal had efficiently adsorbed and prevented the growth of bacteria in the urine samples. Steel nails and bamboo charcoal were prepared for corrosion process. The Electrochemical Impedance Spectroscopy (EIS) was used to analyse the steel nails. The percentage inhibition efficiency of bamboo charcoal was also calculated. The result from EIS showed that the more bamboo charcoal used in the water, the lower the corrosion rate of steel nails while the result of calculation for percentage inhibition efficiency showed that the more bamboo charcoal used, the higher the percentage of inhibition efficiency. As a summary, this study showed that bamboo charcoal was a good adsorbent in urine treatment and an efficient corrosion inhibitor.
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