Hydrogen role in the valorization of integrated steelworks process off-gases through methane and methanol syntheses

Special Issue on ‘Overview, state of the art, recent developments and future trends regarding Hydrogen route for a green steel making process’, edited by Ismael Matino and Valentina Colla

Open Access

This article has an erratum: [https://doi.org/10.1051/mattech/2022043]

Table 1

Requirements for the production of 1 kg of hydrogen from three different renewable-based processes [19].

		PEM	SOEC	Biomass Gasification
H₂O feed	kg/kg_H2	10	9	–
Required energy	kWh/kg_H2	55	42	–
Thermodynamic electrolyzer efficiency	%	63	84	–
Biomass feed	kg/kg_H2	–	–	8
Biomass gasification efficiency	%	–	–	13
CO₂ produced	kg/kg_H2	0^a	0^a	7

if green energy is exploited.

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