Process design and improvement for hydrogen production based on thermodynamic analysis: Practical application to real-world on-site hydrogen ...
In this unit, sulfur compounds react with hydrogen, forming hydrogen sulfide, and the produced hydrogen sulfide is adsorbed on the ZnO packed bed (Lee et al., 2021). After the gas passed through the HDS unit, the sulfur compound concentration decreases to <1 ppm ( Kim et al., 2021 ).
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