Direct steam reforming of diesel and diesel–biodiesel blends for distributed hydrogen generation. (5th January 2015)

• Record Type: Journal Article
• Authors: Martin, Stefan; Kraaij, Gerard; Ascher, Torsten; Baltzopoulou, Penelope; Karagiannakis, George; Wails, David; Wörner, Antje
• Is Part Of: International journal of hydrogen energy. Volume 40:Number 1(2015)
• Page Start: 75
• Page End: 84
• Publication Date: 2015-01-05
• Subjects: Hydrogen as fuel -- Periodicals; Hydrogène (Combustible) -- Périodiques; Hydrogen as fuel; Periodicals; 665.81
• DOI: 10.1016/j.ijhydene.2014.10.062
• Languages: English
• ISSNs: 0360-3199

Abstract

<abstract xml:lang="en" abstract-type="author" id="abs0010"> <title id="sectitle0010">Abstract</title> <sec> <p id="abspara0010">Distributed hydrogen generation from liquid fuels has attracted increasing attention in the past years. Petroleum-derived fuels with already existing infrastructure benefit from high volumetric and gravimetric energy densities, making them an interesting option for cost competitive decentralized hydrogen production.</p> <p id="abspara0015">In the present study, direct steam reforming of diesel and diesel blends (7 vol.% biodiesel) is investigated at various operating conditions using a proprietary precious metal catalyst. The experimental results show a detrimental effect of low catalyst inlet temperatures and high feed mass flow rates on catalyst activity. Moreover, tests with a desulfurized diesel<bold>–</bold>biodiesel blend indicate improved long-term performance of the precious metal catalyst. By using deeply desulfurized diesel (1.6 ppmw sulfur), applying a high catalyst inlet temperature (&gt;800 °C), a high steam-to-carbon ratio (<italic>S/C</italic> = 5) and a low feed mass flow per open area of catalyst (11 g/h cm²), a stable product gas composition close to chemical equilibrium was achieved over 100 h on stream. Catalyst deactivation was not observed.</p> </sec> </abstract>