Biogas is one of the most important sources of a clean and environmentally friendly energy strongly emerged as a potential alternative fuel. It contains of 60-70% methane, 30-40% carbon dioxide, traces of hydrogen sulfide and fractions of water vapor. However, its wide extent use is obstructed by the related problems which represented in a low energy density due to the presence of many impurity and generation by low pressures as well as the means absence for compression and bottling. Some studies for production biogas and upgrading technologies have been performed in order to improve the gas yield and methane ratio without working on design of an integrated system for biogas processing. This study presents technology of integrated biogas treatment system in the form of a combined experimental scale. The performance of treatment system was experimentally estimated under four different discharge pressures (200, 400, 500 and 600 kPa) and gas flow rates (2.0, 2.4, 2.8 and 3.0 m3.h-1). The experimental results reveal that the values of actual capacity and volumetric efficiency were 2.36 m3.h-1 and 84.89 %. Furthermore, the highest of heating value per actual capacity and energy generation reached 72.10MJ.h and 20.03 kW.h respectively at pressure 600 kPa and gas flow rate of 3 m3.h-1.