Membrane processes, whose low energy and operating costs make them competitive for gas separation compared to other conventional methods such as pressure swing adsorption, cryogenic distillation or amine absorption, allows high-purity be obtained in a sustainable continuous manner. Similarly, resin-derived carbon membranes with molecular sieving properties have improved the selectivity permeabi...

in this paper, a model based on gmdh type neural network, is used to predict gas price in the spot market while using oil spot market price, gas spot market price, gas future market price, oil future market price and average temperature of the weather. the results suggest that gmdh neural network model, according to the root mean squared error (rmse) and direction statistics (dstat) statistics ...

Supersonic separation technology is a new natural gas sweetening method for the treatment of with high CO2 (carbon dioxide) content. The structures Laval nozzle and supersonic separator were designed, mathematical models condensation swirling CO2-CH4 mixture established. characteristics in condensed droplets under different inlet pressures studied. results show that higher pressure larger dropl...

Membrane separation systems require no or very little chemicals compared to standard unit operations. They are also easy to scale up, energy efficient, and already widely used in various gas and liquid separation processes. Different types of membranes such as common polymers, microporous organic polymers, fixed-site-carrier membranes, mixed matrix membranes, carbon membranes as well as inorgan...