气-液混合脉冲放电耦合芬顿反应再生吸附苯酚的活性炭  

Regeneration of Activated Carbon With Absorbed Phenol by Gas-Liquid Mixed Pulse Discharge Coupled With Fenton Reaction

作　　者：姜楠[1] 李冲 李娜 李杰[1] 鲁娜[1] 商克峰[1] JIANG Nan;LI Chong;LI Na;LI Jie;LU Na;SHANG Kefeng(School of Electrical Engineering,Dalian University of Technology,Dalian 116000,China;School of Environmental Science and Technology,Dalian University of Technology,Dalian 116000,China)

机构地区：[1]大连理工大学电气工程学院,辽宁大连116000 [2]大连理工大学环境学院,辽宁大连116000

出　　处：《石油学报（石油加工）》2023年第5期1142-1152,共11页Acta Petrolei Sinica(Petroleum Processing Section)

基　　金：国家自然科学基金项目(21876070)资助。

摘　　要：提出将芬顿(Fenton)反应与气-液混合脉冲放电等离子体耦合提高活性炭再生率的方法,考察了Fe^(2+)含量、溶液pH值等相关实验参数对该耦合系统中活性炭再生性能的影响。表征了活性炭再生前后比表面积、孔隙结构、表面化学性质等变化规律,结合对耦合再生体系中活性物质的测量和活性炭萃取液中苯酚降解中间产物的测定结果推测活性炭的再生机理。结果表明,耦合芬顿反应能有效提高气-液混合脉冲放电等离子体中H_(2)O_(2)的利用率,使吸附苯酚饱和的活性炭的再生率从84%提高到96%。This paper proposes a method to improve the regeneration rate of activated carbon by coupling the Fenton reaction with gas-liquid mixed pulse discharge plasma.The effect of experimental parameters such as Fe^(2+)content and solution pH value on the regeneration property of activated carbon in this coupled system was investigated.The changes in specific surface area,and pore structure,surface chemical properties of activated carbon before and after regeneration were characterized.Moreover,the regeneration mechanism of activated carbon was inferred by measuring the active substances in the coupled regeneration system and determining the intermediate products of phenol degradation in the activated carbon extraction solution.The experimental results show that the coupled Fenton reaction can effectively improve the utilization efficiency of H_(2)O_(2)in the gas-liquid mixed pulse discharge plasma,and increase the regeneration rate of activated carbon saturated with phenol from 84%to 96%.

关 键 词：活性炭再生 气-液放电 苯酚 等离子体 芬顿反应 脉冲放电 

分 类 号：X705[环境科学与工程—环境工程]