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At a time when the global green transformation and resource recycling strategy are accelerating, the strategic value of platinum-based precious metals (including six elements such as ruthenium, rhodium, and palladium) is becoming increasingly prominent. These rare metals, known as “industrial…

Although the hydrometallurgical zinc smelting process occupies a dominant position in global zinc production, it faces severe challenges in processing high-iron zinc roasted sand. The stable spinel structure of zinc ferrite leads to a significant negative correlation between the leaching…

As a basic chemical raw material, acetic acid has always faced technical challenges in the treatment of wastewater generated during its production and use. In response to the problem of equipment for treating acetic acid wastewater with different concentrations, the…

As an important boron resource carrier, the development and utilization of salar brine faces technical bottlenecks such as low efficiency and high energy consumption of traditional extraction processes. The CWL-M centrifugal extractor developed and produced by Zhengzhou Tiei Extraction optimizes…

As an important chemical intermediate, the separation and purification process of nitrotoluene has long faced the dual challenges of efficiency and energy consumption. This study innovatively introduced centrifugal extraction technology to address the technical pain points of the traditional three-stage…

In the copper smelting process, the ash leachate contains a variety of valuable metals such as copper, zinc, lead, bismuth, etc. How to efficiently and environmentally friendly recover these metals has always been a major issue facing smelting companies. The…