Profile: Utile Engineering Co Ltd. manufactures air & gas compressors, vacuum pumps and gas boosters. Mico series multi-stage centrifugal blowers, exhausters & gas boosters are used for air, landfill gas, bio gas, natural gas and certain other corrosive & non-corrosive gases. The continuous anaerobic gas mixing system is suitable for use in sealed digester tanks whether cylindrical, cylindrical spherical or egg shaped. Its design optimises the sludge digestion process and produces a more homogenous mix than other systems.