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Para-aminobenzoic acid is widely used as an important organic chemical intermediate. However, a large amount of para-aminobenzoic acid sewage is discharged during the production process. Its high toxicity and poor biodegradability have become the focus and difficulty of water pollution…
N, N-dimethylformamide (DMF) is an organic solvent widely used in chemical industry, medicine, pesticides, fiber and other fields. For example, it can be used for the extraction of aromatic hydrocarbons, the separation and recovery of butadiene from the C4 fraction,…
Battery grade nickel sulfate is mainly used in the production of ternary cathode material precursors for new energy vehicle power batteries, as well as the production of traditional batteries such as nickel-metal hydride batteries and nickel-cadmium batteries. The main preparation…
Lactic acid is widely found in humans, animals, plants and microorganisms. It has two optical isomers, left-handed and right-handed, among which L-lactic acid is right-handed. L-Lactic acid and its salts and derivatives are widely used in food, feed, chemical industry,…
Centrifugal extractor is a kind of equipment that performs extraction and separation through centrifugal force. According to different structural forms, it can be divided into many types, such as cylindrical type, annular type, box type, wave type, Luwei type, etc.…
Modern wet copper smelting mainly refers to the leaching-extraction-electrowinning method. Extraction is the key step in modern wet copper smelting. The copper ore is treated with sulfuric acid or ammonia to obtain an acidic or alkaline leachate containing metal ions.…
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