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The main forms of titanium in the earth’s crust are titanium dioxide and titanate, and usually coexist with fe, ca, mg, si, al, mn and rare earth elements. According to statistics, there are more than 140 kinds of titanium minerals,…
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…
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…
Isopropyl ether and isopropyl alcohol are widely used as organic solvents in the chemical, pharmaceutical and other industries, but their presence in wastewater can cause environmental pollution. Therefore, it is of great significance to find an effective separation and recovery…
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