通过在三聚氰胺海绵(MS)上原位合成BiOBr晶体,再修饰具有pH响应能力的十二烷二羧酸(DDA)及疏水性月桂酸(LA),设计合成可用于复杂体系中的油水分离,并具有光催化降解能力的智能超润湿性S-3D-BiOBr@MS材料。通过选择性吸附、连续油水分离、机械稳定性和循环实验,以及光催化降解实验,证明材料具有良好的油水分离和循环使用能力,以及光降解水中污染物的能力,优异的多功能性能使其在油水分离及废水净化等领域具有良好的发展前景。
Through in-situ synthesis of BiOBr crystal on melamine sponge (MS) and then modification with pH-responsive dodecane dicarboxylic acid (DDA) and hydrophobic lauric acid (LA),an intelligent super-wettable S-3D-BiOBr@MS material that could be used for oil-water separation in complex systems and had photocatalytic degradation ability was designed and synthesized.The selective adsorption experiment,continuous oil-water separation experiment,mechanical stability experiment,circulation experiment and photocatalytic degradation experiments proved that the material had good oil-water separation ability,recycling ability and photodegradation ability of pollutants in water.Therefore,the excellent multi-functional performance made it have a good development prospect in the fields of oil-water separation and wastewater purification.
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基金资助
国家自然科学基金青年项目(32102086);2020年省级大学生创新创业训练计划项目(S202110140020)
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