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Th(IV)在高庙子膨润土上的吸附行为
高庙子膨润土 吸附 Th(IV)
2011/10/18
采用静态批式法研究了Th(IV)在高庙子膨润土上的吸附行为。探讨了接触时间、ph、离子强度、固液比以及腐殖酸对吸附的影响'测定了293.15K下的吸附等温线。实验结果表明，ph和离子强度对Th(IV)吸附的影响很大，腐殖酸在低ph下促进Th(IV)在高庙子膨润土上的吸附，而在高ph下几乎没有影响；Th(IV)在高庙子膨润土上的吸附主要通过表面络合和离子交换进行；Langmuir方程可以很好的拟合吸...
用静态批式的方法研究了[N值’离子强度’温度和腐殖酸浓度等因素对H7"0#在凹凸棒石上的吸附’解吸的影响(结果表明%[N值对H7"0#在凹凸棒石上的吸附有显著影响%而离子强度对吸附的影响却相对较弱!H7"0#在凹凸棒石表面的吸附主要通过内层络合形式进行%而外层络合和离子交换只是微弱的作用!当[Nb"&+)时%富里酸"‘<#和胡敏酸"N<#对吸附亦有促进作用!升高温度有利于H7"0#在凹凸棒石上的吸...
FT-IR/PAS AND SEM EDX STUDIES ON ALUMINOSILICATES MODIFIED BY CS(I), TH(IV) AND U(VI)
industrial minerals radioactive waste disposal
2011/11/7
Clays and zeolites are some of the most important industrial minerals. They have practical applications in geology, agriculture, construction, engineering, process industries, and environment. This ar...
The chemical composition of REE-Y-Th-U-rich accessory minerals in peraluminous granites of the Erzgebirge-Fichtelgebirge region, Germany, Part I: The monazite-(Ce)-brabantite solid solution series
chemical composition REE-Y-Th-U-rich accessory minerals peraluminous granites Erzgebirge-Fichtelgebirge region monazite-(Ce)-brabantite solid solution series
2012/3/31
eraluminous granites of the Erzgebirge-Fichtelgebirge, Germany, are hosts of various members of the monazite group of minerals that display an unprecedented compositional diversity. The Eibenstock S-t...
Experimental study of Th-bearing LaPO4 (780 °C, 200 MPa): Implications for monazite and actinide orthophosphate stability
Experimental study Th-bearing LaPO4 monazite actinide orthophosphate stability
2012/4/5
Acompletesolidsolutionhasbeenhydrothermallysynthesizedbetweenthetwoend-membersLaPOand(Ca Th )POat780Cand200MPa,indicatingthatthereisnolimitationintemperatureandpressureconditionscorrespondingtothoseof...
Isothermal Diffusion of Eu and Th in Deep-Sea Sediments: Experimental Results and a Numerical Model
Deep-sea sediments Diffusion Europium Partition coefficient Sorption Thorium
2012/1/12
Batch data for the sorption of Eu and Th on pelagic sediments may be represented by equations of the form: ln M = A ln Cs + B/T + D, where M = concentration of sorbate on sediment, Cs = concentration ...