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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…

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…

New breakthrough in zirconium and hafnium separation technology, centrifugal extraction technology achieves high-purity extraction. Hafnium is a key material for nuclear reactor control rods, and its purity directly affects nuclear energy safety. However, hafnium and zirconium (Zr) coexist in nature,…

In many fields such as medicine, chemical industry, food, and fine chemical industry, ethyl acetate has become a star solvent in the extraction and separation process due to its excellent solubility and relatively low toxicity. However, traditional extraction water washing…