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Ethyl acetate has low toxicity, volatile, and has a pungent odor at high concentrations. It is a widely used fine chemical product with excellent solubility and quick drying properties. At the same time, ethyl acetate is sensitive to air and…

Ternary lithium battery refers to ternary polymer lithium battery, which refers to the lithium battery whose positive electrode material uses ternary positive electrode material of lithium nickel cobalt manganese oxide or lithium nickel cobalt aluminum oxide.If waste ternary lithium batteries…

As an indispensable basic raw material in the fields of medicine, dyes and pesticides, the preparation process equipment of nitrobenzene attracts attention. Zhengzhou Tiei Extraction Company, with its advanced CWL-M series centrifugal extractors, has demonstrated significant process advantages in the…

Nickel is mainly used as an active component of catalysts in hydrogenation processes, such as hydrorefining of petroleum fractions, oil hydrogenation, etc. The nickel content in waste nickel catalysts produced during the hydrogenation process is 6% to 20%, which is…

The mixer settler is a traditional extraction equipment that appeared earlier. In the mixed separation operation, it mainly relies on gravity for natural separation. The centrifugal extractor is a new, environmentally friendly, green and efficient extraction equipment that has appeared…

The NMP waste solvents generated in the production process of the polyphenylene sulfide industry, aramid industry and lithium battery industry can all be recycled to improve economic benefits. Solvent extraction has become a recognized effective way to recycle NMP waste…