Coupling of manganese oxidative crystallization and thallium immobilization under light irradiation

Jielong Cao; Qingze Chen; Xun Liu; Yixuan Yang; Hongbo Li; Juan Liu; Runliang Zhu

doi:10.1039/D5CC05797C

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Coupling of manganese oxidative crystallization and thallium immobilization under light irradiation

Jielong Cao,^abcd Qingze Chen,

*^abcd Xun Liu,^abcd Yixuan Yang,^abc Hongbo Li,^abc Juan Liu^e and Runliang Zhu

^abcd

Author affiliations

* Corresponding authors

^a State Key Laboratory of Advanced Environmental Technology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
E-mail: chenqingze@gig.ac.cn

^b Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China

^c Guangdong Research Center for Strategic Metals and Green Utilization, Guangzhou 510640, China

^d University of Chinese Academy of Science, Beijing 100049, China

^e School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China

Abstract

This study investigates the mutual influence of Mn(II) oxidative crystallization and thallium (Tl) immobilization in nitrate solution under light irradiation. MnO_x formed by the photochemical oxidation of Mn(II) effectively removed Tl(I) through adsorption and coprecipitation, with Mn(II) inhibiting the oxidation of Tl(I) to more toxic Tl(III). In turn, Tl(I) suppressed the reductive transformation of δ-MnO₂, which favored its own immobilization.

This article is part of the themed collection: Environmental Science for a Healthier Planet

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Article information

DOI: https://doi.org/10.1039/D5CC05797C
Article type: Communication
Submitted: 11 Oct 2025
Accepted: 19 Nov 2025
First published: 19 Nov 2025

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Chem. Commun., 2025,61, 19917-19920

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Coupling of manganese oxidative crystallization and thallium immobilization under light irradiation

J. Cao, Q. Chen, X. Liu, Y. Yang, H. Li, J. Liu and R. Zhu, Chem. Commun., 2025, 61, 19917 DOI: 10.1039/D5CC05797C

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Chemical Communications

Coupling of manganese oxidative crystallization and thallium immobilization under light irradiation

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Coupling of manganese oxidative crystallization and thallium immobilization under light irradiation

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