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1篇 您的检索式：作者名="Elliot A.Roth"

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		题名	作者	年代	出处	被引量
	1	Leaching of lanthanide and yttrium from a Central Appalachian coal and the ashes obtained at 550-950℃显示文摘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 solutions.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.	Ronghong Lin Yee Soong Bret H.Howard Murphy J.Keller Elliot A.Roth Ping Wang Evan J.Granite	2022	Journal of Rare Earths2022，40，5：	0

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