Greenmac is specialised in design, manufacturing, turn key delivery and servicing of biogas upgrading systems. Green gas is a regenerative energy source, easily storable, transportable and CO2 neutral. • 30 years of experience • Membrane separation & amine (LP Cooab) absorption process • Used as vehicle fuel or injected into the gasgrid • Proven design and quality • Manufacturing and design in the Netherlands • Broad international experience • Technical support and trouble shooting • Spare parts and consumables service • Modification and optimization • 24/7 maintenance