期刊
WATER RESEARCH
卷 47, 期 14, 页码 4957-4965出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2013.05.033
关键词
Water treatment; Oil-bodies; Submicron capsules; Coagulation and flocculation; Rapeseed
资金
- Science Foundation Ireland (SFI) Research Frontiers Programme [08/RFP/EOB1413]
- Science Foundation Ireland (SFI) [08/RFP/EOB1413] Funding Source: Science Foundation Ireland (SFI)
Flocculation is an important step in water treatment as it is responsible for the separation of suspended solids and colloids. The currently used flocculants have certain limitations with respect to environmental impact and disposal as well as potentially being harmful to human health, which has encouraged the study of natural flocculants originating from oleaginous plants. Oil-bodies are individual small organelles in which oleaginous seeds store triacylglycerols reserves. In this article, the flocculant properties of oil-bodies have been investigated. Oil-bodies flocculate at pH 5, 7 and 9 and high ionic strength (100 mM NaCl) and it was demonstrated that their intact structure is necessary for the flocculation activity as treatment with protease K and diethyl ether, that remove the protein coat and the oil-core, respectively, dramatically decreased the flocculation activity. This study shows that oil-bodies have the potential to be novel, natural, sustainable, environmentally friendly and biodegradable fiocculant candidates for water treatment. (C) 2013 Elsevier Ltd. All rights reserved.
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