In this section, you can access to the latest technical information related to the FUTURE project topic.

Three-dimensional-printed hierarchical reduced graphene oxide/ethylenediamine filter with super-high uranyl ions with recycling capacity and unique selectivity

Highly efficient and selective adsorption materials for the removal and recycling of U(VI) from radioactive wastewater or seawater are increasingly in demand due to the severe scarcity of strategic uranium sources for nuclear engineering. In this study, a three-dimensional (3D) hierarchical reduced graphene oxide/ethylenediamine scaffold (3D rGOE) was constructed using a direct-ink-writing-based 3D printing method. This technique contained orderly aligned microstructures, good hydrophilicity, mechanical robustness, and a high specific surface area. The optimized 3D rGOE structure obtained by multiscale and rational chemical modification exhibited a significantly higher U(VI) adsorption capacity (908?mg/g at pH?=?5.8) compared to other previously reported amino/graphene-oxide-based composites. Additionally, the 3D rGOE mostly retained its high adsorption capacity (decay rate?

» Author: Song Fuxiang, Zhang Jingxiang, Du Tao, Wang Na, Wang Zhuoyue, Zhang Zhen, Liu Bin, Zhang Qiangqiang

» Publication Date: 01/09/2021

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