alexa Oil-polluted Sea Water Purification by Carbonized Rice
ISSN: 2375-4397

Journal of Pollution Effects & Control
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Research Article

Oil-polluted Sea Water Purification by Carbonized Rice Hull

Cui Y*, Li J, Zhang Y and Zhang M
College of Environment and Resources, Dalian Nationalities University, Dalian-116600, China
Corresponding Author : Cui Y
College of Environment and Resources
Dalian Nationalities University
Dalian-116600, China
Tel: +86-411-87656335
E-mail: [email protected]
Received September 22, 2014; Accepted October 29, 2014; Published November 10, 2014
Citation: Cui Y, Li J, Zhang Y, Zhang M (2014) Oil-polluted Sea Water Purification by Carbonized Rice Hull. J Pollut Eff Cont 2:122. doi: 10.4172/2375-4397.1000122
Copyright: © 2014 Cui Y. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In recent years, marine oil pollution resulting from exploitation spills and accidents during oil transportation and use has affected the marine ecosystem safety, and oil polluted sea water remediation becomes a global problem. Rice hull possesses a good property of adsorption pollutants and it can be easily obtained from the abundant produce of rice all around the world. This experiment used carbonized rice hull (CRH) as adsorbent, aiming to purify oil polluted sea water and explore optimal adsorption conditions and effects. Six sets of experiments were done under the initial oil concentration of 1.35 mg/L and CRH dosages of 0, 6.67, 13.33, 20, 26.67, 33.33 g/L, separately. Seventy percent of oil was removed under the ideal dosage of 13.33 g/L, getting the minimum oil concentration of 0.39 mg/L. Another six sets of experiments were also done under the adsorption time of 0 h, 1 h, 2 h, 3 h, 4 h, 5 h and the same CRH dosage of 13.33 mg/L. The ideal removals of COD (35.5%) and oil (71%) were obtained after 3 hours adsorption, while the highest COD removal gets to 47.5%.

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