【摘要】 为探索壳聚糖在含油污水处理中的应用前景，本文采用物理和化学交联法，制备了柠檬汁和香茅醛双交联壳聚糖海绵(DCS-C)。研究发现，DCS-C具有良好的弹性，经十次压缩后，其恢复率可达99.2%。此外，DCS-C的接触角为121.1±1.4°，具有良好的疏水性能。实验条件下，DCS-C可有效除去多种有机溶剂(或油)，经15次吸附-脱吸附处理后，其吸附容量仍大于12 g/g。油水分离实验表明，DCS-C不仅可选择性分离油水混合物，还可高效分离水包油乳液中的二氯甲烷(DCM)。以上研究表明，DCS-C可应用于实际工业中含油污水的纯化。更多还原

【Abstract】 To explore the application prospects of chitosan in oil-containing wastewater, dual crosslinked chitosan sponge(DCS-C) was fabricated using physical and chemical crosslinking method, via lemon juice and citronellal. It was found that DCS-C possesses excellent elasticity and compressibility, which can remain 99.2 % of the original height after 10 squeezes. Furthermore, DCS-C exhibits good hydrophobicity with a contact angle of 121.1±1.4°. Under the experimental conditions, DCS-C can remove organic solvents(or oils) effectively after 15 cycles of adsorption-desorption, with an adsorption capacity higher than 12g/g. Oil-water separation experiments show that DCS-C cannot only selectively separate oil/water mixtures, but also effectively separate dichloromethane(DCM) in oil-in-water emulsion. In conclusions, DCS-C can be used to purify oil-containing wastewater in practical industries.更多还原