Enhancing the adsorption capacity of Sr2+ and Cs+ onto hexagonal tungsten oxide by doped niobium

Liu Bijun; Mu Wanjun; Xie Xiang; Li Xingliang; Wei Hongyuan; Tan Zhaoyi; Jian Yuan; Luo Shunzhong

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Enhancing the adsorption capacity of Sr2+ and Cs+ onto hexagonal tungsten oxide by doped niobium

机译：通过掺杂的铌将Sr2 +和Cs +的吸附能力增强到六边形氧化钨上

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Large amounts of radioactive waste effluents are produced by the nuclear industry each year and more efficient methods are required for their treatment to decrease the final disposal cost and environmental discharge. Amongst the various methods, adsorption stands out as a relatively clean and energy-efficient separation method. Hexagonal tungsten oxide (hex-WO3) has potential application to deal with acidic radioactive waste. To extend the adsorption capacity of hex-WO3, an extensive series of Nb-doped WO3 were synthesized using a hydrothermal method. Incorporation of Nb into the WO3 framework leads to expansion of the layer spacing and is accompanied by the exclusion of guest water molecules. When compared to bare hex-WO3, the adsorption capacity of Sr2+ on Nb-doped WO3 is markedly improved and the Cs+ adsorption capacity not obstructed.

机译：每年核工业生产大量放射性废物污水，每年都需要更有效的方法来减少最终处置成本和环境出院。在各种方法中，吸附脱颖而出，作为相对清洁和节能的分离方法。六边形氧化钨（Hex-WO3）具有处理酸性放射性废物的潜在应用。为了延长Hex-WO3的吸附能力，使用水热法合成了一系列广泛的Nb掺杂WO3。将Nb掺入WO3框架导致层间距的膨胀，并伴随着排除客体水分子。与裸HEX-WO3相比，Nb掺杂WO3上的SR2 +的吸附容量明显改善，并且CS +吸附容量不会受阻。

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来源
《RSC Advances》 |2015年第20期|共9页
作者
Liu Bijun; Mu Wanjun; Xie Xiang; Li Xingliang; Wei Hongyuan; Tan Zhaoyi; Jian Yuan; Luo Shunzhong;
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作者单位

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

China Acad Engn Phys Inst Nucl Chem &

Phys Mianyang 621900 Sichuan Provinc Peoples R China;

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正文语种 eng
中图分类化学;
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3. Enhancing the adsorption capacity of Sr2+ and Cs+ onto hexagonal tungsten oxide by doped niobium [J] . Liu Bijun, Mu Wanjun, Xie Xiang, RSC Advances . 2015,第20期

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Enhancing the adsorption capacity of Sr2+ and Cs+ onto hexagonal tungsten oxide by doped niobium

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