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Enhanced oxidative sulfuric acid leaching of granite-type uranium ore by oxygen nanobubbles: Kinetics and mechanism

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成果类型:
期刊论文
作者:
Li, Ting;Li, Guangyue;Liu, Xiaohui;Sun, Jing;Li, Qian;...
通讯作者:
Cui, Z
作者机构:
[Li, Qian; Cui, Zhao; Cui, Z; Li, Guangyue; Li, Ting; Sun, Jing; Liu, Xiaohui] Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.
[Li, Qian; Cui, Zhao; Li, Guangyue; Li, Ting; Sun, Jing; Liu, Xiaohui] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Peoples R China.
通讯机构:
[Cui, Z ] U
Univ South China, Sch Resources Environm & Safety Engn, Hengyang 421001, Hunan, Peoples R China.
语种:
英文
关键词:
Oxygen nanobubbles;Oxidative leaching;Uranium ore;Nanobubble technology;Leaching mechanism
期刊:
Nuclear Engineering and Technology
ISSN:
1738-5733
年:
2025
卷:
57
期:
8
页码:
103608
基金类别:
National Natural Science Foundation of China [52374126 , 51674146]
机构署名:
本校为第一且通讯机构
院系归属:
核资源工程学院
摘要:
Developing eco-friendly and highly efficient uranium-enhanced leaching technologies is crucial for ensuring the reliable supply of uranium resources. This study integrates nanobubble (NB) technology into the acid leaching process of granite-type uranium ore by employing oxygen NBs as an effective, clean oxidant to enhance uranium leaching. The feasibility of using oxygen NBs was first validated theoretically, and subsequent batch experiments were conducted to investigate the enhanced leaching kinetics and mechanism. The results demonstrate that...

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