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As one of the most widely used organic acids worldwide, citric acid plays an indispensable role in food, pharmaceuticals, personal care, industrial cleaning, and other fields. As end markets continue to raise their requirements for product purity, production sustainability, and…

As the global transition toward electrification enters a critical stage, the installed capacity of power batteries continues to rise, and the “retirement wave” of spent batteries has become a reality rather than a forecast. Compared with primary mineral resources, the…

Crude nickel sulfate usually contains impurities such as iron, arsenic, antimony, copper, lead, zinc, and free sulfuric acid. Purification is therefore required before it can meet the application standards for battery-grade or electroplating-grade nickel sulfate. At present, solvent extraction is…

H-Acid is a key intermediate used in the synthesis of more than 90 types of dyes, including Acid Fuchsin and Reactive Brilliant Red, and plays an important role in the global dye supply chain. However, the acid precipitation and filtration…

During the manufacturing processes of liquid crystal displays (LCDs) and semiconductors, large quantities of mixed waste acid containing acetic acid, nitric acid, and phosphoric acid are continuously generated. Among these components, phosphoric acid has relatively high recycling and utilization value,…

In fields such as hydrometallurgy, chemical separation, and environmental resource recovery, the selection of liquid-liquid extraction equipment directly affects production efficiency and operating costs. As two mainstream types of extraction equipment, mixer-settlers and centrifugal extractors often make industry professionals hesitate…