功能化多孔碳材料的绿色制备及其在水污染治理中的应用
1. 西北师范大学地理与环境科学学院，兰州 730070
2. 甘肃省绿洲资源环境与可持续发展重点实验室，兰州 730070
3. 兰州海关技术中心，兰州 730010
4. 兰州大学资源环境学院，兰州 730000
5. 两当沁香怡玫瑰生物科技有限公司，陇南 742400
瞿德业（通信作者），副教授，研究方向为固废资源化利用，电子信箱：qudeye@nwnu.edu
收稿日期: 2024-03-19
修回日期: 2024-04-19
网络出版日期: 2025-07-08
基金资助
基金项目：甘肃省重点研发项目（22YF7NK221）；
西北师范大学青年教师科研能力提升计划（NWNW−LKQN2020−05）
Green Preparation of Functionalized Porous Carbon Materials and Their Application in Water Pollution Control
1.College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China
2.Key Laboratory of Oasis Resources, Environment and Sustainable Development in Gansu Province, Lanzhou 730070, China
3.Lanzhou Customs Technology Center, Lanzhou 730010, China
4.College of Earth and Environment Sciences, Lanzhou University, Lanzhou 730000, China
5.Liangdang Qin Xiangyi Rose Biotechnology Co., LTD., Longnan 742400, China
Received date: 2024-03-19
Revised date: 2024-04-19
Online published: 2025-07-08
以玫瑰花渣为原材料，KOH为活化剂，在500℃电阻炉中高温煅烧制备功能化多孔碳材料（PCMs），探究PCMs去除水体中亚甲基蓝的吸附性能。PCMs制备参数为浸渍比1︰1，浸渍时间4 h，活化时间50 min。通过扫描电子显微镜、傅里叶变换红外光谱仪和孔径分析仪等进行表征：PCMs表面存在多种官能团，比表面积为285.112 m²/g，平均孔径为4.2 nm，总孔容为0.1589 cm³/g，中孔占比为54.05%。以印染废水中亚甲基蓝的去除率作为指标，单因素实验优选结果为：PCMs投加量为0.15 g、亚甲基蓝初始浓度为80 mg/L、初始溶液pH=11、吸附时间为4 h，该条件下PCMs对亚甲基蓝的去除率可达99.52%；响应面实验获得PCMs的最佳吸附条件为：PCMs投加量0.153 g、亚甲基蓝初始浓度64.35 mg/L、pH=10.93，预测出亚甲基蓝的去除率可达100%。动力学分析表明PCMs对亚甲基蓝溶液的吸附符合准二级动力学模型（R2=0.9564），吸附等温线采用Freundlich拟合较好（R2=0.9580）。
于亚丽, 瞿德业, 雷春妮, 王波, 董卫强, 徐继雄 . 功能化多孔碳材料的绿色制备及其在水污染治理中的应用[J]. 科技导报, 0 : 1 . DOI: 10.3981/j.issn.1000-7857.2024.03.01152
Functionalized porous carbon materials (PCMs) were prepared by calcining rose pomace as raw material and KOH as activator at high temperature in a resistance furnace at 500 ℃ to investigate the adsorption performance of PCMs for the removal of methylene blue in water.The parameters for the preparation of PCMs were impregnation ratio of 1:1, impregnation time of 4 h, and activation time of 50 min.The PCMs were characterized by scanning electron microscope, Fourier transform infrared spectroscopy spectrometer, and pore size analyser. Characterised by scanning electron microscope, Fourier transform infrared spectrometer and pore size analyser, the PCMs were characterised by the presence of a variety of functional groups on the surface, the specific surface area of 285.112 m²/g, the average pore size of 4.2 nm, the total pore volume of 0.1589 cm³/g, and the percentage of mesopores was 54.05%. Taking the removal rate of methylene blue in printing and dyeing wastewater as an index, the preferred results of one-way experiment were: the dosage of PCMs was 0.15 g, the initial concentration of methylene blue was 80 mg/L, the initial solution pH=11, and the adsorption time was 4 h, under which the removal rate of methylene blue by PCMs could be up to 99.52%; and the optimal adsorption conditions of PCMs obtained from the response surface experiment were as follows: the PCMs The optimal adsorption conditions for PCMs were: PCMs dosage of 0.153 g, initial concentration of methylene blue of 64.35 mg/L, and pH=10.93, which predicted that the removal rate of methylene blue could reach 100%. Kinetic analysis showed that the adsorption of PCMs on methylene blue solution conformed to the quasi-secondary kinetic model (R2=0.9564), and the adsorption isotherm was well fitted by Freundlich (R2=0.9580).
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