Toluene extraction is a liquid-liquid extraction technology that uses toluene as an organic solvent to separate, enrich or purify specific target substances from aqueous solutions. In the fields of pharmaceutical intermediates, pesticide technical and fine chemicals, toluene extraction is a key link in separation and purification. The low efficiency, high solvent loss and poor operating environment of traditional extraction equipment have become bottlenecks restricting production. The emergence of centrifugal extractor has brought disruptive efficiency improvements and environmental upgrades to the toluene extraction process.
Toluene Extraction Process
- Raw material mixing: The water phase (such as reaction liquid) containing the target component and the organic phase toluene are pumped into the centrifugal extractor in proportion.
- High-speed mixing and mass transfer: Under the strong shear force in the rotor, the two phases are instantly highly dispersed and mixed, and the target component is quickly dissolved into the toluene phase.
- Centrifugal separation: The mixed liquid enters the drum separation area, and under the strong centrifugal force, the heavy phase (water phase) and the light phase (toluene-rich phase) are quickly and clearly separated.
- Phase collection: The separated water phase (raffinate) and the toluene phase rich in the target are continuously discharged from different outlets.
- Toluene recovery: The toluene phase enters the subsequent distillation unit to recover toluene and obtain high-purity products.
CWL-M Centrifugal Extractor
CWL-M centrifugal extractor is widely used in the extraction process of chemical industry, hydrometallurgy, environmental protection and many other fields, because the centrifugal extractor has an essential difference in working principle compared with other traditional extraction equipment. The centrifugal extractor relies on centrifugal force to mix and separate two-phase liquids, with fast mixing and mass transfer speed and good extraction and separation effect, which can meet the extraction of various liquid systems.
- The centrifugal extractor adopts an upper suspension structure, and the material can be selected from corrosion-resistant materials.
- The centrifugal extractor has a large processing capacity and many equipment models, including experimental small-scale extractors, pilot extraction equipment and large-scale industrial equipment. Customers can choose according to their own processing capacity.
- The centrifugal extractor is designed with a variety of optional mixed structures, with high separation effect, and can be applied to easily emulsified systems.
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