Work

The role of typical metal ions Ca2+ and Mg2+ in mineral flotation: A review

Year: 2025

Type: article

Abstract: Unavoidable ions in flotation pulp play a critical role in modulating the selective activation or depression of target minerals. This review systematically examines the behavior of Ca2+ and Mg2+ in mineral flotation. Their primary sources in the pulp are first outlined. Fundamental mechanisms governing their interactions with mineral surfaces are then discussed to establish a theoretical basis for interpreting their flotation behaviors. The activating, depressing, and dispersing effects of these ions on various mineral surfaces are provided, highlighting their multifaceted functions. In addition, strategies to mitigate the adverse impacts of Ca2+ and Mg2+ are evaluated. This review is intended to guide the optimization of flotation processes, improve the separation efficiency, and provide theoretical and practical insights for mineral processing.

Source: Physicochemical Problems of Mineral Processing

DOI: 10.37190/ppmp/214828

Authors: Zhiguo Zhang, Xiaolong Zhang, Xiaowei Deng, Changliang Shi, Fanfan Zhang, Yijun Cao

Institutions: Henan Polytechnic University, Zhengzhou University

Language: English

Topic: Minerals Flotation and Separation Techniques

Subfield: Water Science and Technology

Field: Environmental Science

Domain: Physical Sciences

Open Access status: diamond

Funder: National Natural Science Foundation of China

OpenAlex ID: W4416829609