Conversion of biogas into biomethane. AMMONGAS offers a wide range of solutions for air and gas purification, odor removal, biogas upgrade, and ammonia separation and distillation. Ammongas customized solutions are tailored to the customer's needs. The main product is an efficient system to obtain biomethane from biogas. Biomethane replaces natural gas for injection into the gas pipeline network, such as bio-CNG for vehicles, and LBG as a green alternative to LNG.