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典型文献
Leaching of lanthanide and yttrium from a Central Appalachian coal and the ashes obtained at 550-950℃
文献摘要：
In this work,we investigated leaching of lanthanide and yttrium(REY)from a Central Appalachian coal and its ashes obtained at 550-950℃with the main purpose of understanding the impact of ashing temperature on REY leachability in water,ammonium sulfate,and hydrochloric acid.It is found that the coal contains a negligible amount of water-soluble REY,less than 1％ion-exchangeable REY,and about 28％of HCl-soluble REY.Ashing leads to dramatic changes in REY leachability in both ammonium sulfate and hydrochloric acid solutions,which is believed to be related to transformation and redistribution of organically-associated REY in coal during the ashing process.Ashing temperature significantly affects REY leaching from coal ashes;higher ashing temperature results in lower REY leachability in both so-lutions.Clay minerals may play a significant role in changing the leachability of REY after ashing.In addition,the results also suggest that the organic matter in the coal is relatively enriched in heavy REY.
文献关键词：
中图分类号：
[1] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
[2] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[3] 天文学、地球科学（P） / 地球物理学（P3） / 空间物理（P35）
作者姓名：
Ronghong Lin;Yee Soong;Bret H.Howard;Murphy J.Keller;Elliot A.Roth;Ping Wang;Evan J.Granite
作者机构：
U.S.Department of Energy,National Energy Technology Laboratory,626 Cochrans Mill Road,P.O.Box 10940,Pittsburgh,PA,15236,United States;KeyLogic Systems,Pittsburgh,PA,15236,United States
文献出处：
稀土学报（英文版）
引用格式：
[1]Ronghong Lin;Yee Soong;Bret H.Howard;Murphy J.Keller;Elliot A.Roth;Ping Wang;Evan J.Granite-.Leaching of lanthanide and yttrium from a Central Appalachian coal and the ashes obtained at 550-950℃)[J].稀土学报（英文版）,2022(05):807-814
A类：
ashing,leachability,Ashing
B类：
Leaching,lanthanide,yttrium,from,Central,Appalachian,coal,ashes,obtained,In,this,work,investigated,leaching,REY,its,main,purpose,understanding,impact,temperature,water,ammonium,sulfate,hydrochloric,acid,It,found,that,contains,negligible,amount,soluble,less,exchangeable,about,HCl,leads,dramatic,changes,both,solutions,which,believed,related,transformation,redistribution,organically,associated,during,process,significantly,affects,higher,results,lower,Clay,minerals,may,play,role,changing,after,addition,also,suggest,matter,relatively,enriched,heavy
AB值：
0.42825
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