文章基本信息

标题：Oil-polluted Sea Water Purification by Carbonized Rice Hull
本地全文：下载
作者：Cui Y ; Li J ; Zhang Y 等
期刊名称：Journal of Pollution Effects & Control
电子版ISSN：2375-4397
出版年度：2014
卷号：2
期号：2
DOI：10.4172/2375-4397.1000122
语种：English
出版社：OMICS International
摘要：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%.
关键词：Adsorption; Carbonized rice hull; Marine oil pollution; Oil polluted sea water