Oil removal from water by selective sorption on hydrophobic cotton fibers. 1. Study of sorption properties and comparison with other cotton fiber-based sorbents |
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Authors: | Deschamps Gerald Caruel Herve Borredon Marie-Elisabeth Bonnin Christophe Vignoles Christian |
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Affiliation: | Laboratoire de Chimie Agro-Industrielle, ENSIACET, 118 Route de Narbonne, 31077 Toulouse Cedex 4, France. |
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Abstract: | Hydrophobic cotton fibers, obtained by acylation of cellulose with fatty acid using microwaves radiations, have a high selective affinity for vegetable or mineral oil, fuel, and petroleum, in aqueous medium. Their sorption capacity (SC) (weight of liquid picked up by a given weight of sorbent) is about 20 g/g, after draining. They are reusable after simple squeezing, and their SC reaches a constant value, ca. 12 g/g. Moreover, this product is stable in water, whereas raw cotton can develop molds, after oil sorption. Besides, it is also biodegradable. |
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