甘蔗渣生物炭对典型抗生素的去除机理研究  

Removal Mechanism of Typical Antibiotics by Bagasse Biochar

作　　者：胡伟 牛耀岚 董堃 王敦球[1] HU Wei;NIUYaolan;DONG Kun;WANG Dunqiu(College of Environmental Science and Engineering,Guilin university of Technology,541006;Department of Building Environment and Energy Engineering,Guilin university of Aerospace Technology,541004,Guilin,China)

机构地区：[1]桂林理工大学环境科学与工程学院,541006 [2]桂林航天工业学院能源与建筑环境学院,广西桂林541004

出　　处：《水处理技术》2022年第11期52-56,61,共6页Technology of Water Treatment

基　　金：国家自然科学基金(52260023);广西科技基地和人才专项(AD19245140);广西自然科学基金(2020GXNSFBA297017);广西高校中青年教师科研基础能力提升项目(2021KY0265);广西研究生教育创新计划项目(YCBZ2022117)。

摘　　要：利用马弗炉和管式炉制备了两种类型的甘蔗渣生物炭,并将其应用于水溶液中有机物磺胺甲恶唑(SMZ)和环丙沙星(CIP)的吸附去除研究。筛选出吸附性能最优的马弗炉制备生物炭(MBC-500)。利用SEM、BET、FTIR和XRD等技术对MBC-500其进行了表征分析。考察了pH、溶质剂量、抗生素溶液浓度、吸附时间、温度等因素对吸附容量的影响。利用吸附等温线、吸附动力学和热力学对吸附机理进行了探讨。结果表明,静电作用、氢键作用、铁氧化物表面络合作用和π-πEDA作用是MBC-500吸附两种抗生素的主要机理。Bagasse biochar in different Temperature was prepared in muffle furnace and tubular furnace.The organic Sulfamethoxazole(SMZ)and Ciprofloxacin(CIP)were removed by adsorption,and the best biochar(MBC-500)was selected.MBC-500 was characterized by SEM,BET,FTIR and XRD.The effects of pH,solute dose,concentration of antibiotic solution,adsorption time and temperature on the adsorption were investigated.The results show that the adsorption mechanism include electrostatic,hydrogen bonding andπ-πEDA,surface complexation of iron oxides.

关 键 词：甘蔗渣 生物炭 吸附 磺胺甲恶唑 环丙沙星 

分 类 号：TQ424.3[化学工程]