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REVIEW PAPER
Research Progress in the Synthesis
and Process Application of Scorodite
1
Metallurgy and Chemical Engineering Research Institute, Jiangxi Copper Technology Research Institute Co., LTD.,
Nanchang 330096, China
2
Jiangxi Provincial Key Laboratory of Rare and Scattered Metals, Jiangxi Copper Co., LTD., Nanchang, 330096, China
3
Jiangxi Copper lead and zinc metals Co., LTD., Jiujiang 332000, China
4
School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang 471023, China
Submission date: 2024-06-05
Final revision date: 2024-10-15
Acceptance date: 2024-11-10
Online publication date: 2025-01-29
Publication date: 2026-01-29
Corresponding author
Yunlong Sun
Metallurgy and Chemical Engineering Research Institute, Jiangxi Copper Technology Research Institute Co., LTD., Nanchang 330096, China
Metallurgy and Chemical Engineering Research Institute, Jiangxi Copper Technology Research Institute Co., LTD., Nanchang 330096, China
Pol. J. Environ. Stud. 2026;35(1):15-27
KEYWORDS
TOPICS
ABSTRACT
Scorodite (FeAsO4·2H2O) is currently recognized as the safest arsenic fixation material for the
environment due to its combination of high arsenic capacity and high stability. As a means of arsenic
fixation and disposal, the scorodite precipitation method is widely used to treat arsenic-containing
wastewater and arsenic-bearing solid wastes. In this paper, three types of scorodite synthesis methods
(the hydrothermal method, the atmospheric method, and the biological method) proposed and developed
in recent decades are first reviewed. The principles, application scope, advantages, and disadvantages of
these methods are systematically described. In addition, some important derived synthesis methods are
discussed. At the same time, the application of the scorodite process, developed based on four synthesis
methods, is introduced. Compared with other synthesis methods, the improved atmospheric synthesis
method has become the mainstream selection for scorodite synthesis because of its simple operation and
high arsenic removal efficiency, as well as the advantages of large particle size and the high leaching
stability of the product. Therefore, the elevated temperature and atmospheric pressure process is likely
to be widely adopted in the future. Finally, the directions and application prospects of the scorodite
process are proposed.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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