CN

陈克正

Professor

Supervisor of Doctorate Candidates

Supervisor of Master's Candidates

Date of Birth:1965-10-27

Paper Publications

多孔炭球的制备及其吸附废水中有机染料特性

Release time:2024-12-23 Hits:

Key Words:葡萄糖;水热法;多孔炭球;废水处理

Abstract:以无水葡萄糖为原料,采用水热炭化法制备了多孔炭球并用于吸附废水中的亚甲基蓝、罗丹明B等有机染料。通过比表面积和孔径分析、扫描电子显微镜、傅里叶变换红外光谱仪、Zeta电位对多孔炭球进行了表征分析。结果表明:制备的多孔炭球是表面含有多种官能团的介孔材料,微小的尺寸和球形形状使其具有足够的机械强度承受水流冲击;高比表面积、负电属性以及污染物的低阻力扩散路径,有利于其对于阳离子染料的吸附。经过吸附实验,发现Langmuir等温吸附模型和准二阶动力学方程能较好地描述多孔炭球对罗丹明B和亚甲基蓝两种染料的吸附过程。多孔炭球对罗丹明B和亚甲基蓝的理论去除能力分别为56.793和89.378 mg·g~(-1)。该材料的可行性、易操作性、高效性和良好的循环性使其成为一种能够应用在污水处理过程中的有效吸附剂。

Volume:v.45;No.208

Issue:03

Translation or Not:no

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