To enhance energy utilization rate while treating medical waste in a clean way
a system coupling solid waste plasma gasification with modular nuclear reactor for co-production of electricity and hydrogen was proposed. In this novel coupling system
medical waste treated by plasma gasification treatment to generate high-temperature syngas. The syngas was then cooled using steam and feedwater from the SMR (small modular reactor) power plant. After cooling
the syngas was purified and fed into a water-gas shift reactor. The product gas was then purified by a pressure swing adsorption (PSA) unit to produce hydrogen. The performance of this new system was evaluated from a thermodynamic perspective using a specific modular nuclear reactor as a case. Results show that the medical waste to energy efficiency is 58.83%
the total efficiency and the exergy efficiency of the integrated system reach 54.24% and 54.23%
respectively. Additionally
the net present value of the novel coupling system is approximately 777 535 300 yuan
with a dynamic payback period of 3.71 years. The novel coupling system is both efficient and economically feasible.
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references
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