DICP OpenIR
Photocatalytic regeneration of coal-based activated carbon
Liu, SX; Sun, CL; Zhang, SR
关键词Coal-based Activated Carbon Titania Silver Phenol Photocatalytic Regeneration Regeneration Mechanism
刊名CHINESE JOURNAL OF CATALYSIS
2003-05-01
24期:5页:355-358
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]OXIDATION ; DYE
英文摘要The technical feasibility of photocatalytic regeneration for coal-based activated carbon saturated with phenol was investigated in immobilized system by using TiO2 and Ag-TiO2 as photocatalysts, and using UV lamp (lambda = 253.7 nm) as irradiation source. The factors affecting the regeneration efficiency of the activated carbon were investigated, including photocatalyst modification, regeneration temperature, oxidant additive, adsorption regeneration cycles, and pH values. Based on the regeneration rate of activated carbon under different conditions, the regeneration mechanism was discussed. The effect of regeneration treatment on the pore structure of activated carbon was investigated by using N-2-adsorption isotherms. It is possible to regenerate the coal-based activated carbon through photocatalytic oxidation. The phenol adsorption capacity of activated carbon with 1.9% (Ag-TiO2) loading can be recovered by 78.4%, when regenerated under the conditions of pH = 13, theta = 70 degreesC and t = 72 h. The difference of phenol concentration between interior and exterior of activated carbon is the main driving force for photocatalytic regeneration.
语种英语
WOS记录号WOS:000183665900010
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139248
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.NE Forestry Univ, Harbin 150040, Heilongjiang, Peoples R China
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GB/T 7714
Liu, SX,Sun, CL,Zhang, SR. Photocatalytic regeneration of coal-based activated carbon[J]. CHINESE JOURNAL OF CATALYSIS,2003,24(5):355-358.
APA Liu, SX,Sun, CL,&Zhang, SR.(2003).Photocatalytic regeneration of coal-based activated carbon.CHINESE JOURNAL OF CATALYSIS,24(5),355-358.
MLA Liu, SX,et al."Photocatalytic regeneration of coal-based activated carbon".CHINESE JOURNAL OF CATALYSIS 24.5(2003):355-358.
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