Molecular Distillation for Two poly acid DEA-DZL-10

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——Design

Different from the traditional wiped film evaporator design, the condenser is located inside the short path evaporator body.

——Operation

Feed liquid is admitted into still under high vacuum, immediately spread into a very thin film and forced quickly down the evaporation surface. Heated walls and high vacuum drive the more volatile components (distillate) to the external condenser as the less volatile components (residue) continue down the cylinder. The resulting fractions, thus separated, exit through individual discharge outlets. Depending on application, the desired product is either the distillate or the residue fraction. Small amounts of condensable low MW compounds collect in cold trap upstream of vacuum system. For high solvent loads, an optional external condenser may be installed immediately downstream of the still.

——Particular features

Continuous distillation process.
Very low operating pressures up to 0.1Pa (100Pa=1mba). (The considerably lower pressure in the short path evaporator is obtained by the short distance for the vapours on their way from the evaporator surface to the condenser. )
The very low operating pressures ensure very low distillation temperatures and therefore a very gentle distillation is possible.
Short residence time. (Thanks to the short residence time, the low evaporation temperature and the immediate cooling of the concentrate, thermal stress and decomposition of the product can be minimized.)
High evaporation rates.

——Fields of application

For the thermal separation of high molecular and high-boiling products.
For heat sensitive materials.

Shanghai Dea chemical equipment Co.,Ltd

——We devote to design and develop the equipment of chemical separation and abstraction.

——We came from East China University of Science and Technology, which we long-term cooperated with later. And now, we serve for many famous universities, such as Tsinghua University , Sun Yat-sen University , etc.

——We provide equipment of distillation and extraction for the technicians in the area of chemical , medicine and food industry.

——We own senior engineers who have rich experience in chemical engineering.

——Our products can be used in lab-scale, pilot-scale experiments and small-scale production.

——The experimental results are more authentic by using our products thanks to the continuous operation during the course of the experiments or pilot-scale experiments.

——We repaire imputed equipments out-of-warranty for UIC,POPE,BUCHI in the past few years, which made us accumulating rich experience.

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