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As the positive electrode materials of lithium-ion batteries develop towards a ternary system with high nickel and low impurities, the purity requirements for manganese sulfate are becoming increasingly stringent. Traditional preparation methods such as crystallization, electrolysis and chemical precipitation have…

For the extraction of aniline, the most commonly used technology is the liquid-liquid extraction and stripping technology based on its weak alkalinity. By precisely controlling the pH value and utilizing the conversion of aniline between the free base state (soluble…

In the process of tin smelting and recovery, how to efficiently and selectively separate and enrich tin from complex leaching solutions (such as cassiterite sulfuric acid leaching solutions and electronic waste recycling solutions) is the key to improving resource utilization…

A customer used ethyl acetate to extract nicotine. The original process was operated in a reactor. They wanted to make a technical transformation and consulted Tiei Extraction. We provided a technical transformation plan for them. According to the information provided…

n-Butylthiophosphoric triamide, abbreviated as NBPT, is a nitrogen fertilizer slow-release agent, which is used to improve the utilization rate of nitrogen fertilizer. In the production process of NBPT, the traditional process is to use dichloromethane as the solvent, trichlorothiophosphorus and…

Rare earth elements are strategic resources for modern industry, and their separation and purification technology affects the development level of the country’s manufacturing industry. The CWL-M series centrifugal extractor developed by Zhengzhou Tiei Extraction Technology Co., Ltd. has successfully solved…