Syngas production by water electrolysis - Rossi, Siria;Gomes, Joao;Bordado, João
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This work consists, as a first step, in the synthesis gas (syngas) production and optimization through a one step innovative 1 kW prototype of alkaline water electrolysis (patented), using graphite electrodes and without separation of gases (containing CO, CO2, H2 and small amounts of O2). The electrolyte used is sodium hydroxide (NaOH), with a composition equal to 0.4 M. The behavior of the syngas composition and flow rate has been studied and optimized, changing operational parameters such as temperature, pressure and current intensity, and testing two different stacks. Afterwards, the best…mehr

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Produktbeschreibung
This work consists, as a first step, in the synthesis gas (syngas) production and optimization through a one step innovative 1 kW prototype of alkaline water electrolysis (patented), using graphite electrodes and without separation of gases (containing CO, CO2, H2 and small amounts of O2). The electrolyte used is sodium hydroxide (NaOH), with a composition equal to 0.4 M. The behavior of the syngas composition and flow rate has been studied and optimized, changing operational parameters such as temperature, pressure and current intensity, and testing two different stacks. Afterwards, the best syngas composition has been sent into a catalytic reactor (filled with a Ni/CaO-Al2O3 catalyst) for the second aim of this work: preliminary tests on the methane production, at 1 bar and different temperatures.
Autorenporträt
Siria Rossi, was awarded a MSc in Chemical Engineering in 2016 from University La Sapienza, Rome, Italy, where she completed previously her BSc studies, also in Chemical Engineering. In 2015/2016 she was in ISEL, Lisbon Polytechnic, Lisbon, Portugal, under an Erasmus agreement and was awarded a MSc in Chemical Engineering.