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In the metal processing, electroplating, and steel industries, the pickling is an essential process. However, the large volumes of acidic wastewater generated—containing heavy metals such as zinc and iron—have become a major challenge for enterprises in terms of environmental protection…

In the non-ferrous metal smelting industry, nickel is an indispensable strategic resource. However, during the pyrometallurgical process, a large amount of nickel smelting slag is produced, which still contains considerable amounts of valuable metals such as nickel and cobalt. How…

Complexation extraction, also known as reactive extraction, is a highly efficient separation technique. It is primarily applied to the separation of substances with similar physical and chemical properties that are difficult to separate using conventional extraction methods—particularly organic compounds containing…

Driven by the wave of new energy development, lithium cobalt oxide (LiCoO₂) batteries remain the core power source for portable electronic devices such as smartphones and laptops due to their high energy density and stable output performance. As the replacement…

In fields such as chemical engineering and pharmaceuticals, the rapid and efficient separation of toluene and hydrochloric acid solution has always been a critical step. Traditional separation methods, such as static settling, suffer from major drawbacks including bulky equipment, low…

The flue dust generated during copper smelting is rich in valuable metals such as copper, zinc, and bismuth, making it an “mine” awaiting efficient development. However, traditional treatment processes for flue dust leachate (such as cementation and precipitation) often suffer…