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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…

In the chemical pharmaceutical industry, the production of penicillin is a common operation unit. In the extraction process, the solvent extraction method has a significant effect. The solvent extraction method is to use a suitable extractant to extract and separate…

The extraction of metallic lithium is to extract lithium from raw materials such as ores, salar brine, waste batteries, and waste residues. Taking the extraction of lithium from salar brine as an example, the extraction method and extraction and separation…