典型文献
An Iron-Based High-Entropy Alloy with Highly Efficient Degradation for p-Nitrophenol
文献摘要：
High-entropy alloys(HEAs)have attracted widespread attention due to their excellent mechanical properties.However,their functional properties arising from the supersaturated solid solution state can be improved.Advanced oxidation processes(AOPs)are considered to be an effective method for decomposing organic pollutants,and HEAs are proposed as effective candidates for AOP catalysts.Currently,several HEAs used for organic pollutant degradation are prepared through mechani-cal alloying.In this work,FeAlCoNi and FeAlCoNiB Fenton-like catalysts were prepared by single roll melt spinning and subsequent ball milling techniques.We found that the FeAlCoNiB HEA exhibits highly efficient degradation for p-nitrophenol(p-NP).The degradation efficiency of FeAlCoNiB is 120 times higher than that of FeAlCoNi,which confirms that boron functions effectively during the degradation process.FeAlCoNiB has a better degradation efficiency than pure iron powder and a degradation efficiency comparable to that of the amorphous Fe78Si11B11 alloy.Additionally,the degradation efficiency of FeAlCoNiBx increases(k values from 0.13 to 0.55 min-1)when the boron content increases from an X value of 0.25 to 1.25.We speculate that Fe2B favors the degradation process and promotes zero-valent iron to decompose organic pollutants through a galvanic cell effect.Possible p-NP degradation pathways are proposed after LC-MS analysis.This study provides a new series of HEA Fenton-like catalysts,which have the potential to be prepared into bulk devices for industrial applications.
文献关键词：
中图分类号：
作者姓名：
Shenghui Xie;Xiang Liao;Xierong Zeng;Haipeng Yang;Liang He
作者机构：
Research Center for Interfacial Engineering of Functional Materials,Engineering Laboratory for Advanced Technology of Ceramic and Shenzhen Key Laboratory of Special Functional Materials,College of Materials Science and Engineering,Shenzhen University,Shenzhen 518060,China;CCL Manufacturing(Shenzhen)Limited,Shenzhen 518104,China
文献出处：
引用格式：
[1]Shenghui Xie;Xiang Liao;Xierong Zeng;Haipeng Yang;Liang He-.An Iron-Based High-Entropy Alloy with Highly Efficient Degradation for p-Nitrophenol)[J].金属学报（英文版）,2022(10):1653-1664
A类：
Nitrophenol,FeAlCoNi,FeAlCoNiB,Fe78Si11B11,FeAlCoNiBx
B类：
An,Iron,Based,Entropy,Alloy,Highly,Efficient,Degradation,entropy,alloys,HEAs,have,attracted,widespread,attention,due,their,excellent,mechanical,properties,However,functional,arising,from,supersaturated,solid,solution,state,improved,Advanced,oxidation,processes,AOPs,considered,method,decomposing,organic,pollutants,proposed,candidates,catalysts,Currently,several,used,degradation,prepared,through,alloying,In,this,work,Fenton,like,were,by,single,roll,melt,spinning,subsequent,ball,milling,techniques,We,found,that,exhibits,highly,efficient,nitrophenol,NP,efficiency,times,higher,than,which,confirms,boron,functions,effectively,during,has,better,pure,iron,powder,comparable,amorphous,Additionally,increases,values,when,content,speculate,Fe2B,favors,promotes,zero,valent,decompose,galvanic,Possible,pathways,after,LC,analysis,This,study,provides,new,series,potential,into,bulk,devices,industrial,applications
AB值：
0.545134
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