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Changhao He

Central South University

  • Central South University

SCHOLARLY PAPERS

2

DOWNLOADS

36

TOTAL CITATIONS

0

Scholarly Papers (2)

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1.

In-situ synergistic sulfidation and enrichment of Cu-Pb-Zn  from molten copper slag using hazardous gypsum residue

Number of pages: 29 Posted: 14 Oct 2025
Xiaobo Min, Yun Li, Han Lu, Yiwei Deng, Yunyan Wang, Cong Peng, Yong Ke, Yanfa Hu, Zhidong Xi, Changhao He and Liyuan Chai
Central South University, Central South University, Central South University, Central South University, Central South University, Central South University, Central South University, affiliation not provided to SSRN, affiliation not provided to SSRN, Central South University and Central South University
Downloads 29 (1,332,057)

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Copper slag cleaning, Silicate sulfidation, Gypsum waste utilization, CaS transformation, Pb-Zn Recovery

2.

Reductive Pyrolysis of Heavy Metal Gypsum: Impurity Phase Evolution and Transformation Pathways

Number of pages: 41 Posted: 22 Jan 2026
Xiaobo Min, Zidong Tan, Yunyan Wang, Yun Li, Han Lu, Changhao He, Yong Ke and Cong Peng
Central South University, affiliation not provided to SSRN, Central South University, Central South University, Central South University, Central South University, Central South University and Central South University
Downloads 7 (1,566,597)

Abstract:

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Reductive pyrolysis, Heavy metal gypsum, Impurity partitioning, Arsenic removal