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典型文献
Co78Si8B14 metallic glass:A highly efficient and ultra-sustainable Fenton-like catalyst in degrading wastewater under universal pH conditions
文献摘要:
Overcoming the pH limitation and increasing the catalyst reusability remain pressing demands for metal-lic glass(MG)in wastewater remediation.Herein,Co78Si8B14 MG ribbons are used to degrade dye wastew-ater by activating hydrogen peroxide(H202)as Fenton-like catalysts.The Co-based MG catalysts exhibit high degradation efficiency under both acidic and alkaline conditions,and the kinetic reaction rate at pH 10(0.176 min-1)and pH 4(0.089 min-1)is 5.9 and 1.2 times higher than that of the extensively studied Fe-based MG catalysts,respectively.Impressively,the Co-based MG catalysts can be reused up to 20-60 times at universal pH conditions,demonstrating fairly good reusability.The newly discovered Co-based MG catalysts do not follow the classical Fenton reactions with H202 the way Fe-based MGs do.In an acid environment,hydroxyl radicals play a dominant role in the degradation,while in an alkaline environ-ment,the effect of hydroxyl radicals is weakened,and Co3+ions exert a relatively major function on the degradation.The excellent performance in catalytic activity and reusability at universal pH conditions of the Co-based MGs will inspire the development of MGs in wastewater treatment.
文献关键词:
作者姓名:
Xindong Qin;Jiliang Xu;Zhengwang Zhu;Zhengkun Li;Dawei Fang;Huameng Fu;Shiming Zhang;Haifeng Zhang
作者机构:
Institute of Rare and Scattered Elements,College of Chemistry,Liaoning University,Shenyang 110036,China;Shi-Changxu Innovation Center for Advanced Materials,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China;Qingdao Yunlu Advanced Materials Technology Co.,Ltd.,Qingdao 266232,China
引用格式:
[1]Xindong Qin;Jiliang Xu;Zhengwang Zhu;Zhengkun Li;Dawei Fang;Huameng Fu;Shiming Zhang;Haifeng Zhang-.Co78Si8B14 metallic glass:A highly efficient and ultra-sustainable Fenton-like catalyst in degrading wastewater under universal pH conditions)[J].材料科学技术(英文版),2022(18):105-116
A类:
Co78Si8B14,Co3+ions
B类:
metallic,glass,highly,efficient,ultra,sustainable,Fenton,like,degrading,wastewater,under,universal,conditions,Overcoming,limitation,increasing,reusability,remain,pressing,demands,remediation,Herein,ribbons,are,degrade,dye,by,activating,hydrogen,peroxide,H202,catalysts,exhibit,degradation,efficiency,both,acidic,alkaline,kinetic,rate,times,higher,than,that,extensively,studied,respectively,Impressively,can,be,reused,up,demonstrating,fairly,good,newly,discovered,not,follow,classical,reactions,way,MGs,In,environment,hydroxyl,radicals,play,dominant,role,while,effect,weakened,exert,relatively,major,function,excellent,performance,catalytic,activity,will,inspire,development,treatment
AB值:
0.490918
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