Hydrophobic-superoleophylic sponge as well as preparation method and application thereof
A super-oleophilic and sponge technology, applied in separation methods, chemical instruments and methods, liquid separation, etc., can solve the problem of loss of hydrophobic and lipophilic properties on the surface of materials, affecting selectivity and reusability, and complicated operation of the modification process and other problems, to achieve the effect of excellent separation ability, convenient large-scale production, and short experimental cycle
Active Publication Date: 2018-11-16
HUNAN AGRICULTURAL UNIV
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Abstract
The invention discloses a hydrophobic-superoleophylic sponge as well as a preparation method and application thereof. The hydrophobic-superoleophylic sponge is prepared by loading modified kaolin ontoa melamine sponge which is used as a carrier. The preparation method comprises the following steps of (1) washing the melamine sponge by ethyl alcohol and water, and drying for further use; (2) modifying the kaolin powder; (3) preparing a silylated modified kaolin turbid liquid; (4) soaking the pretreated melamine sponge by the silylated modified kaolin turbid liquid, so as to obtain the hydrophobic-superoleophylic sponge. The hydrophobic-superoleophylic sponge has the advantages that the adsorption capacity is high, the adsorption speed is quick, and the separation and recycling are easy; the preparation method is simple and efficient, and the cost is low; the hydrophobic-superoleophylic functional sponge material has good oil/organic solvent and water separating ability, and can be usedfor selectively adsorbing the oily liquid, and separating the oil and water.
Application Domain
Liquid separation
Technology Topic
ChemistryOrganic solvent +2
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