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Smart-MVR Distillation
The MVR distillation system is a process that uses a steam compressor to directly or indirectly increase the temperature and pressure of compressible media. In the reboiler, the condensed medium transfers heat to the bottom material of the tower. This process maintains the energy balance of the distillation system solely through the work of the compressor. By consuming a small amount of high-grade electrical energy, the heat grade of the top heat source of the tower is increased, efficiently recovering the latent heat of vaporization of the top steam, reducing the supply of other heat sources such as steam at the bottom of the tower, and simultaneously lowering the consumption of cooling at the top of the tower, thereby achieving significant energy-saving and consumption-reducing effects.
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Scope of Application
Organic solvent recovery, resource utilization of organic solvent wastewater, and zero-discharge treatment. Common examples include dilute solutions of organic solvents such as DMF, DMAC, DMSO, NMP, ethylene glycol, methanol, ethanol, and tetrahydrofuran.
System flow

The original solution is concentrated by first stage MVR distillation to remove the majority of water, and the remaining concentrated solution is then subjected to second stage dehydration and third stage refined distillation processes to meet the standards for recycling. Distilled water meets the reuse standards through a deamination system, and the deamination solution and exhaust gas are further absorbed and analyzed to obtain a concentrated amine solution. This process system achieves zero environmental emissions, eliminates pollution problems, and the recovered solvents can also achieve certain economic benefits.
Among them, the MVR distillation and concentration process is the energy-saving core of this system, and adopting reasonable MVR processes for different solvents can achieve the best economic benefits and safe operating conditions.


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