Organic solvent dehydration equipment

The process of reusing pharmaceutical organic solvents using pervaporation membrane method does not add a third component (such as azeotrope and entrainer) during the separation process. Ensuring the purity of solvents is more suitable for the requirements of the pharmaceutical industry for solvents. Pervaporation can remove water from high boiling point and high-temperature easily decomposable organic solvents under low-temperature operating conditions, effectively avoiding unfavorable factors such as decomposition and oxidation of organic solvents. The advantages and characteristics of pervaporation membrane technology are as follows:
(1) The recovery rate can reach up to 99%: using the pervaporation dehydration process alone, the recovery rate can reach over 97%. If combined with distillation, the recovery rate can reach over 99%;
(2) Energy saving of over 75%: The energy-saving and efficient characteristics of the pervaporation membrane separation device are determined by technical principles, and the required energy consumption is only 20% -25% of that of azeotropic distillation and adsorption;
(3) Zero emission of pollutants; Through the recycling and reuse of materials, zero emissions of pollutants can be achieved, and the target treatment objects can be fully utilized; Especially suitable for handling highly toxic and high value-added organic solvent recovery systems;
(4) High product purity: The separation process does not require the addition of any extractants or other substances to ensure the purity of the product, which is more suitable for the solvent requirements of the pharmaceutical and chemical industry;
(5) Save over 80% of space: Compared with distillation and separation equipment, it can save over 80% of space. Compared with organic membrane pervaporation, there is no need for a vacuum hood, which saves space and is convenient for maintenance;
(6) Long service life and high separation coefficient: Compared with pervaporation organic membranes, they have the characteristics of high flux, high separation coefficient, no swelling, strong solvent resistance and corrosion resistance, and long membrane life;
(7) Fully automatic production and stable quality: After the equipment is running normally, there is no need for excessive adjustment operations, and automatic instrument monitoring is achieved to achieve fully automated operation.

Complete equipment for membrane VOCs purification

In the separation process of VOCs and non condensable gas, VOCs/non condensable gas enters the membrane system. The permeate side adopts vacuum pumping to maintain a low-pressure environment. On the raw material side, VOCs are preferentially adsorbed on the membrane surface, and are pushed through the membrane by the gas differential pressure on both sides of the membrane. On the permeate side, high concentration VOCs gas is rich and integrated, and is transported to the condenser for condensation and recovery through a vacuum pump. At the same time, due to the fact that the vast majority of VOCs on the raw material side are condensed and recycled after passing through the membrane, the exhaust concentration at the discharge outlet will be significantly reduced, and even can meet national emission standards. Membrane VOCs purification has the following technological advantages:
(1) High concentration VOCs can be effectively separated and coldly recovered to obtain relatively pure organic matter, thus achieving the recycling and utilization of the original tube.
(2) Due to the absence of phase change processes, the service life of membrane materials is much longer than that of adsorption materials, greatly reducing operating costs for enterprises.
(3) Combining absorption or coagulation technology, the public conditions are simple, and the application of technology will not increase the company's secondary investment in public engineering.
(4) The membrane separation process does not generate secondary pollution.
(5) There is no risk of combustion or explosion during the membrane separation process, making it safer.