To achieve clean and efficient in-situ utilization of resources,a novel hydrogen production system from medical wastes and biogas with zero carbon dioxide emission is proposed,which is composed of plasma gasification,solid oxide fuel cell,steam turbine cycle,and autothermal reforming.The hybrid system is designed as a poly generation system capable of producing hydrogen,heat,and electricity to self-sustain the energy consumption required to produce hydrogen for the entire plan.The thermodynamic and techno-economic of the hydrogen production system is investigated.Results show that the energy efficiency and exergy efficiency of the medical wastes/biogas hydrogen production process reach 63.20%and 59.15%,respectively,higher than those of other processes.In addition,the system can recover its initial cost in 3.31 years,and deliver a net present value of RMB 807.524 8 million within 25 years.
medical wastesbiogashydrogen productionsystem couplingparameter analysis
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