News

Current Status of NMP Wastewater Treatment NMP can be miscible with water in any ratio, has high boiling point, flash point and strong solubility, so it is not easy to separate and recover directly from NMP aqueous solution. Its recovery…

Liquid liquid extraction/solvent extraction is a technique for separating substances based on the different solubility or partition coefficients of substances in two immiscible or slightly soluble solvents. Here are some key information about solvent extraction: Liquid liquid extraction is an…

In the field of organic synthesis, water washing, as a basic and crucial process, runs through the production process of many products. Its important value lies in effectively removing the residual acid, alkali, salt and other water-soluble impurities in the…

The treatment of naphthenic acid wastewater is relatively complicated due to its high COD concentration and difficulty in biodegradation. As an effective liquid-liquid extraction and separation equipment, the centrifugal extractor plays an important role in the treatment of naphthenic acid…

In the chemical industry, dimethylformamide (DMF) is an indispensable solvent and is widely used in the production of medicines, pesticides, dyes, etc. However, with its large-scale use, the problem of DMF wastewater treatment has become increasingly prominent, posing a severe…

In the chemical industry, extraction, as an important separation technology, is widely used in the purification and separation of various substances. Among them, hydrochloric acid extraction with toluene is a key process, especially in the fields of chemical industry and…