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Salting out refers to the phenomenon that the extraction efficiency increases after adding inorganic salts to the aqueous solution during the extraction process. This effect is mainly attributed to the combination between the salting out agent (inorganic salt) and water…

In the chemical production process, washing operation is a crucial separation and purification step. Water washing, alkaline washing and acid washing are three common washing methods, each playing a key role in different application scenarios. Centrifugal extractor is an equipment…

In the field of fine chemicals, trimethylolpropane (TMP) is an indispensable chemical raw material widely used in many industries such as alkyd resins, polyurethanes, and coatings. However, the production process of TMP is not easy, and extraction is one of…

At present, many chemical companies at home and abroad inevitably produce “three wastes” hazards in the process of product manufacturing, especially the treatment of phenolic industrial wastewater is particularly prominent. Harmful substances such as phenol compounds in phenolic wastewater are…

Sucralose is a strong sweetener, and its sweetness per unit mass is 600-800 times that of sucrose. It is not absorbed by the human body, does not produce calories, tastes similar to sucrose, and has high stability. It is widely…

Post-treatment of nitration reaction liquid is an important link in chemical production, and is of great significance for improving product quality, reducing costs and protecting the environment. However, traditional post-treatment methods have problems such as low efficiency and high cost.…