The objective of the present work is investigation a novel polygeneration system for power, refrigeration and heating production at two temperature levels. uses CO2 as working fluid, which an environmentally friendly fluid. total configuration combination transcritical cycle coupled to Brayton with recompression, fed by biomass boiler. examined system, nominal operating conditions, produces 5 °...

China depends for most of its energy on coal – a situation that is likely to persist in the light of the abundance of its coal resources, the paucity of its oil and gas resources, and the reluctance of the government to allow China to become overly dependent on energy imports. The challenge is to find ways to use coal without the enormous air pollution damage caused by current conversion techno...