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In fine chemicals, pharmaceuticals, and solvent recovery industries, the separation of n-hexane and n-butyl ether is a common yet technically challenging process. Although their boiling points differ (n-hexane ~69°C; n-butyl ether ~142°C), conventional distillation methods often involve high energy consumption,…

With the rapid growth of the new energy vehicle (NEV) industry, the recycling and treatment of end-of-life power batteries has become a critical component of resource circularity and environmental protection. The efficient and green recycling of battery black mass (rich…

In the pharmaceutical, natural product extraction, and polymer synthesis industries, mixed solvent systems composed of chloroform, ethanol, and water are widely used. However, the recovery and purification of such systems have long been recognized as a major technical bottleneck. These…

In the metallurgical, electroplating, and chemical industries, the recovery of zinc from hydrochloric acid waste liquid is both a crucial step in resource recycling and a challenge for environmental governance. Traditional precipitation methods suffer from low efficiency and secondary pollution,…

Benzoic acid, as an important organic acid, is widely used in food preservation, pharmaceutical synthesis, and the production of chemical intermediates. However, benzoic acid–containing wastewater generated during its production, if not effectively treated, can lead not only to resource wastage…

Phosphoric acid, as an important basic chemical raw material, is widely used in fertilizer production, food processing, electronics manufacturing, and the pharmaceutical industry. With the increasing demands for higher purity phosphoric acid from downstream industries, traditional phosphoric acid purification processes…