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Oil sorbents with high sorption capacity, oil/water selectivity and reusability for oil spill cleanup
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关键字:Oil sorbent; Oil/water selectivity; Sorption capacity; Reusability; Oil-spill cleanup
摘要:A sorbent for oil spill cleanup was prepared through a novel strategy by treating polyurethane sponges with silica sol and gasoline successively. The oil sorption capacity, oil/water selectivity, reusability and sorption mechanism of prepared sorbent were studied. The results showed that the prepared sorbent exhibited high sorption capacity and excellent oil/water selectivity. 1 g of the prepared sorbent could adsorb more than 100 g of motor oil, while it only picks up less than 0.1 g of water from an oil-water interface under both static and dynamic conditions. More than 70% of the sorption capacity remained after 15 successive sorption-squeezing cycles, which suggests an extraordinary high reusability. The prepared sorbent is a better alternative of the commercial polypropylene sorbent which are being used nowadays. (C) 2014 Elsevier Ltd. All rights reserved.
卷号:84
期号:1-2
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朱海涛

教授 博士生导师 硕士生导师

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