Profile: Heat & Power Services Ltd. specializes in the provision, service & maintenance of combined heat and power systems. We offer the BioSulfurex® biological and the Sulfurex® chemical (bio) gas desulphurization plants. The Sulfurex® process is a multiple stage scrubbing process based on the selective absorption of H2S (hydrogen sulphide) in a solution of sodium hydroxide. We can offer a wide range of second hand engines for sale.