An overview of Vapor Recovery Systems Vapor Recovery Systems are designed for collecting vapors of refined petroleum gasses and other fuels, otherwise, they will be realized into the surrounding atmosphere. They are primarily used in gas filling stations, to minimize poisonous and potentially combustible fumes and pollution. It provides a challenging advanced technology in treating the liquid hydrocarbon streams using the innovative organic solvent through a nanofiltration process. Some of the unexceptional vapors to be treated in vapor recovery systems are Petrol, Methanol, Benzene, Toluene, xylene, diesel, naphtha, crude oil, etc. These harmful gasses are handled with the highest safety and quality standards into consideration. The whole apparatus including the membrane systems and modules should guarantee operational safety, maximum efficiency, and optimum cost-effectiveness. Working principle of vapor recovery systems: This system consists of two carbon vessels for uninterr