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文章编号： 1672-6987（2024）03-0087-08； DOI： 10.16351/j.1672-6987.2024.03.011
贾明明a， 汤镇海b， 刘畅源b， 赵旭浩b， 陈克正a*(青岛科技大学 a.材料科学与工程学院；b.高分子科学与工程学院，山东 青岛 266042)
摘要： 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56793和89378 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。
关键词： 葡萄糖； 水热法； 多孔炭球； 废水处理
中图分类号： TQ 207+.2文献标志码： A
引用格式： 贾明明， 汤镇海， 刘畅源， 等. 多孔炭球的制备及其吸附废水中有机染料特性［J］. 青岛科技大学学报(自然科学版), 2024, 45（3）： 87-94.
JIA Mingming， TANG Zhenhai， LIU Changyuan，et al. Preparation of porous carbon spheres and its adsorption characteristics of organic dyes in wastewater［J］. Journal of Qingdao University of Science and Technology（Natural Science Edition), 2024， 45（3）： 87-94.
Preparation of Porous Carbon Spheres and Its Adsorption
Characteristics of Organic Dyes in Wastewater
JIA Mingminga， TANG Zhenhaib， LIU Changyuanb， ZHAO Xuhaob， CHEN Kezhenga
(a. College of Materials Science and Engineering;b. College of Polymer Science and Engineering,
Qingdao University of Science and Technology, Qingdao 266042, China)
Abstract: Porous carbon spheres were prepared by hydrothermal carbonization with anhydrous glucose as raw material and used to adsorb methylene blue, rhodamine B and other organic dyes in wastewater. The porous carbon spheres were characterized by specific surface area and pore size analysis, SEM, FT-IR and Zeta potential. The results show that the prepared porous carbon spheres are mesoporous materials with various functional groups on the surface. Their tiny size and spherical shape make them have enough mechanical strength to maintain water flow. Their high surface area, negative electric property and low resistance diffusion path of pollutants are beneficial to their adsorption of cationic dyes. Through adsorption experiments, it is found that Langmuir isothermal adsorption model and pseudo-second-order kinetic equation could well reflect the adsorption process of methylene blue and rhodamine B by the porous carbon spheres. The theoretical removal capacity of the porous carbon spheres for rhodamine B and methylene blue is 56793 and 89378 mg·g-1. The feasibility, easy operation, high efficiency and good circulation of this material make it a more promising adsorbent in actual sewage treatment.
Key words: glucose; hydrothermal method; porous carbon spheres; sewage treatment
收稿日期： 2023-06-29
基金项目： 山东省自然科学基金项目（ZR2020ME049）.
作者简介： 贾明明 (1983—), 男, 博士.*通信联系人.
