What is the recovery rate of a waste gas treatment system that combines condensation with gas separation membranes?

The recovery rate is a measure of condensation plusgas separation membraneWaste gas treatment equipmentThe core index of performance is also an important basis for enterprises to evaluate the return on investment. So how much can the recovery rate of this kind of equipment achieve?

The recovery rate depends first of all on the composition and inlet concentration of the exhaust gas. For high boiling point, easily condensed organic matter, such as xylene, butyl acetate, diesel fraction, etc., single-stage condensation can achieve a recovery rate of more than 80%. If two-or three-stage condensation is used, the recovery rate can be further increased to 90% to ninety-five. At this time, the concentration of residual organic matter in the tail gas is already very low, but there is still room for further recovery. At this time, it is necessary to rely on the gas separation membrane to play a role.

The function of the membrane separation unit is not to directly recover a large amount, but to enrich the organic matter in the condensed tail gas. The membrane module allows organic molecules to preferentially permeate, while small molecular gases such as nitrogen and oxygen are trapped. The organic matter passing through the membrane is pumped by the vacuum pump to form a high concentration gas stream, which can be recycled back to the inlet of the condensation unit for further treatment. In this way, the overall recovery rate can easily break the 95%. In the case of stable working conditions, the design of excellent condensation plus gas separation membrane.waste gas treatmentThe equipment can even achieve a recovery rate of more than 98%.

LuoyangWohong PetrochemicalEquipment Co., Ltd. has accumulated a large amount of data in actual projects. Taking the oil and gas recovery of gas stations as an example, the inlet oil and gas concentration is about 40% volume ratio. After three-stage condensation and membrane separation, the outlet tail gas concentration can be reduced to less than 10 grams per cubic meter, and the recovery rate exceeds 99%. In the chemical solvent recovery scenario, the recovery rate of ethyl acetate waste gas is also stable between 95% and 98.

It should be noted that the higher the recovery rate, the better, because every one percentage point increase, equipment investment and operating energy consumption will increase significantly. Luoyang Wo Hong will provide customers with different recovery rates corresponding to the cost curve, to help enterprises find the best balance of economic benefits.