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Ionic liquid functionalized resins for highly efficient separation and purification of rare earth elements and thorium 认领 引用 被引量：1
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作者 Jinming Du Hao Zhang +4 位作者 Xiaojing Li Qiyong Deng Hongye Wang Zhigang Zhao Fan Yang 《Journal of Rare Earths》 SCIE EI CAS CSCD 2026年第4期1244-1253,I0008,共10页
In this study,thiodiglycolamic acid-immobilized resin(SLCT-TDGA)and methyltri-n-octyl ammonium thiodiglycolamate ionic liquid functionalized resin([A336][SLCT-TDGA])were synthesized by chemical synthesis and ion excha... In this study,thiodiglycolamic acid-immobilized resin(SLCT-TDGA)and methyltri-n-octyl ammonium thiodiglycolamate ionic liquid functionalized resin([A336][SLCT-TDGA])were synthesized by chemical synthesis and ion exchange methods.The synthesized resins were used for the removal and enrichment of thorium in rare earths.The experimental findings demonstrate that the ionic liquefaction-modified resin[A336][SLCT-TDGA]exhibits a substantial enhancement in adsorption rate(2 h),adsorption capacity(23.66 mg/g),and selectivity in comparison to the grafted resin SLCT-TDGA.When separating thorium and rare earth by using[A336][SLCT-TDGA]resin,the separation factors areβTh/La=10942,βTh/Sm=6959,βTh/Gd=5255,βTh/Lu=3491,and are at the forefront of the resin field.Furthermore,the adsorption performance decreases by only 0.7%after five cycles.The[A336][SLCT-TDGA]resin was tested with a simulated leaching solution of southern ion-adsorbed rare earth elements,reducing the thorium concentration from 6.07 to 0.0086 mg/L,achieving a removal rate of 99.86%.Meanwhile,the loss rate of rare earth elements is only 1.08%. 展开更多
关键词 Rare earths Thorium Selective adsorption Ionic liquefaction resin Amide acid
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Multifunctional ternary entropy-regulatory RE2W2O9(RE=Ce,Gd,Ho)yellow pigments:High near-infrared reflectance,anti-ultraviolet aging and antimycotic performance 认领 引用
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作者 Haiying Xin Liyan Xue +5 位作者 Mengtong Ma Ke Song Qiyong Deng Zhiyi Wang Minzhong Huang Fan Yang 《Journal of Rare Earths》 SCIE EI CAS CSCD 2026年第5期1593-1601,共9页
To mitigate the urban heat island effect,align with the“double carbon strategy”,and address the issues of coating aging and mildew on building facades,multifunctional ternary entropy-regulatory tungstate ceramic coo... To mitigate the urban heat island effect,align with the“double carbon strategy”,and address the issues of coating aging and mildew on building facades,multifunctional ternary entropy-regulatory tungstate ceramic cool pigments(CexHo0.1Gd1.9-xW2O9+δ)were prepared by high-temperature solid-phase method in this study.While ensuring the high near-infrared(NIR)solar reflectance,the anti-ultraviolet(UV)aging and antimycotic performance of rare earth given to pigment were evaluated,and its optical properties,microstructure and practical application effects were deeply explored.The results indicate that ternary entropy regulation changes the color of the pigment from white to yellow,significantly reducing the band gap from 3.28 to 1.90-1.87 eV.Specifically,the Ce0.2Ho0.1Gd1.7W2O9+δ pigment exhibits excellent chromatic properties(L*=73.79,a*=20.21 and C*=50.51)and a high NIR solar reflectance(96.23%).Infrared thermography confirms that it has a good cooling effect,with temperatures of 3.5℃ lower than the commercially available coating of similar color.Furthermore,the performance of multifunctional integration is that the pigments show enhanced absorption in the UVA(long-wave ultraviolet 320-400 nm)range,with an increase in average light absorption from 0.19 to 0.91 and a substantial increase in antimycotic rate from 42.86%to 97.46%.At the same time,this material has good acid and alkali resistance(ΔE*≤2.41).The successful development of the multifunctional cool pigment materials opens a new way to energy-saving architectural wall coating materials. 展开更多
关键词 Multifunctional cool pigment Rare earth tungstate Near-infrared solar reflectance Anti-ultraviolet aging Antimycotic performance
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