Investigates zinc chloride recovery in a hydrazine-HCl system, indicating an effective purification method.
This study investigates the reductive leaching of zinc cake using a hydrazine-hydrochloric acid system. The obtained zinc chloride solution was purified by neutralization with zinc oxide-bearing technogenic materials and cementation using zinc dross. The purified solution was concentrated by reverse osmosis filtration, and zinc chloride was successfully obtained from the saturated solution.
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Khojiev et al. (2026) studied this question.
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