Abstract

There has been growing interest in nuclear hydrogen cogeneration recently since hydrogen has been considered one of the prospective substitutes to fossil fuels in the future, and nuclear energy can supply the energy required for hydrogen production efficiently and cleanly. The multi-modular high-temperature gas-cooled reactor (MHTGR) is a small modular reactor with the advantage of inherent safety, and its nuclear steam supply system (NSSS) can provide steam at around 570°C. Methane Steam Reforming (MSR) is currently the most widely used hydrogen production method, and if it is combined with a carbon capture and storage system, the greenhouse gas emissions can be minimized. This paper presents the design for a nuclear hydrogen cogeneration plant that has six-module MHTGRs coupled with MSR.

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