There are many technical routes for VOC tail gas treatment, LuoyangWohong PetrochemicalEquipment Co., Ltd. chose the compression condensation membrane separation.
This process consists of three units: compression, condensation and membrane separation. The exhaust gas is pressurized by the compressor first to create working conditions for subsequent treatment. Then it enters the condensation unit, and the temperature is reduced to a reasonable range according to the boiling point of different solvents, and part of the organic matter is directly liquefied and recovered. The uncondensed tail gas enters the membrane module, and by taking advantage of the difference in the permeation rate of different gas molecules in the membrane material, VOC preferentially permeates to form concentrated gas, which is sent back to the front end of the system for circulating treatment, and the purified gas is directly discharged. The whole process forms a closed loop.
This process is suitable for VOC waste gas with medium and high concentration and recovery value. Common solvents in chemical, pharmaceutical, printing, electronics and other industries, such as toluene, acetone, ethyl acetate, dichloromethane, n-hexane, etc., are applicable. If the concentration is too low or the solvent has no recovery value, other technical routes shall be considered.
Luoyang Wo Hong continues to cultivate deeply in the field of compression condensation membrane separation, providing full-process services from condition detection, scheme design to equipment configuration, commissioning and operation. Each project matches the compression ratio, condensation temperature and membrane module specifications according to the actual parameters of the exhaust gas, and does not do a one-size-fits-all solution.
Enterprises with VOC tail gas treatment requirements can first complete the waste gas detection, obtain basic data such as concentration, air volume and composition, and then communicate with Luoyang Wo Hong about the process matching. Whether the scheme is reasonable depends on the degree of correspondence between the working condition parameters and the process configuration.