Hyphae and organic acids of Aspergillus Niger promote uranium recovery by destroying the ore surface and increasing the porosity and permeability of ores

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成果类型：

期刊论文

作者：

Wang, Yongdong;Wang, Jinhua;Ding, Dexin;Li, Guangyue;Sun, Jing;...

通讯作者：

Wang, YD

作者机构：

[Ding, Dexin; Zhang, Hui; Wang, Jinhua; Li, Guangyue; Dai, Zhongran; Li, Feng; Hu, Nan; Sun, Jing; Ma, Jianhong; Ding, Yang; Wang, Yongdong] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Hunan, Peoples R China.

通讯机构：

[Wang, YD ] U

Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Min, Hengyang 421001, Hunan, Peoples R China.

语种：

英文

关键词：

Aspergillus Nige;Bioleaching;Uranium ore;Exfoliation;Proton exchange

期刊：

Nuclear Engineering and Technology

ISSN：

1738-5733

年：

2024

卷：

期：

页码：

1880-1886

DOI：

10.1016/j.net.2023.12.049

基金类别：

This work was supported by the Natural Science Foundation of Hunan Province, China [grant number 2022JJ30491 ]; the Research Foundation of Education Bureau of Hunan Province, China [grant number 22A0308 ]; and the National Natural Science Foundation of China [grant number 11505093 ].

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：

To elucidate the mechanism of damage caused by hyphae and organic acids produced by Aspergillus Niger on the surface and internal structure of uranium ore, direct uranium leaching, indirect uranium leaching and semi-direct uranium leaching were conducted, and the surface morphology, strength, mineral crystallinity, porosity, and permeability of the ore were analyzed. The results demonstrated that the combination of biomechanical forces exerted by hyphae and the complexation effects of organic acids led to the dissolution of SiO2 and other subst...

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Hyphae and organic acids of Aspergillus Niger promote uranium recovery by destroying the ore surface and increasing the porosity and permeability of ores

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