Hydrogen Production by Glycerol Steam Reforming with Ru‐based Catalysts: A Study on Sn Doping

Gallo, Alessandro; Pirovano, Claudio; Marelli, Marcello; Psaro, Rinaldo; Santo, Vladimiro Dal

doi:10.1002/cvde.201006864

Cited by 22 publications

(11 citation statements)

References 41 publications

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“…In the steam reforming of glycerol, supported Pt, Rh, or Ru noble metal catalysts usually appear more active and stable than supported Ni catalysts (61,70,71,96,97). Moreover, the bimetallic catalysts, such as Pt-Ru, Pt-Re, and Pt-Os, often show much better catalytic performances (70,96,98).…”

Section: Supported Pt Rh and Ru Catalystsmentioning

confidence: 97%

Recent Advances in Catalytic Conversion of Glycerol

Zhou¹,

Zhao²,

Tong³

et al. 2013

Catalysis Reviews

177

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The article underlines and discusses the state-of-the-art accomplishments in the catalytic conversion of glycerol (1,2,3-propanetriol) to fuels and value-added chemicals in the past five years (2008)(2009)(2010)(2011)(2012). The reactions include steam reforming, aqueous-phase reforming, hydrogenolysis, oxidation, dehydration, esterification, etherification, carboxylation, acetalization, and chlorination. Typical products are hydrogen, propanediols, dihydroxyacetone, glyceric acid, acrolein, glyceride, polyglycerol, glycerol carbonate, acetals, ketals, and epichlorohydrine. Recent studies on the catalysts, reaction conditions, and possible pathways are primarily discussed. They indicate that major breakthroughs are achieved by the use of multifunctional catalysts, process intensification and integrated reactions. Literature survey suggests that future work on the catalytic conversion of glycerol for commercial goals particularly requires new catalysts, innovative reactor engineering, and close multidisciplinary partnership.

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Section: Supported Pt Rh and Ru Catalystsmentioning

confidence: 97%

Recent Advances in Catalytic Conversion of Glycerol

Zhou¹,

Zhao²,

Tong³

et al. 2013

Catalysis Reviews

177

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“…17 [123], acetic acid [124] and hydrocarbons [125][126][127]. It is known that Mg(Al)O oxides are able to stabilize supported metal nanoparticles, even at high operating temperatures and/or glycerol concentrations, thus avoiding metal nanoparticles sintering [120]. The presence of Mg in the support is, in part, responsible for this good behavior.…”

Section: Effect Of the Addition Of A Promoter On The Catalytic Performentioning

confidence: 99%

“…However, by increasing the ratio a large amount of acidic tin oxides is unselectively deposited onto support materials. Therefore, glycerol decomposition is promoted rather than GSR, thus leading to high amounts of CO and finally to coke deposition responsible for the catalyst deactivation [120]. A comparison between the GSR performance of some of the promoted ruthenium catalysts here discussed and the nonpromoted catalysts discussed in the previous section is presented in Table 6.…”

Section: Effect Of the Addition Of A Promoter On The Catalytic Performentioning

confidence: 99%

“…The presence of Mg in the support is, in part, responsible for this good behavior. The effect of Sn doping on the bimetallic Ru-Sn/Mg(Al)O supported catalysts was accessed as well by using catalysts with different Sn loadings [120]. The Ru-based catalyst without tin showed very high glycerol conversion with high selectivity towards H2 and CO2, and CO selectivity lower than 10% during the entire catalytic run.…”

Section: Effect Of the Addition Of A Promoter On The Catalytic Performentioning

confidence: 99%

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Challenges and strategies for optimization of glycerol steam reforming process

Silva

Soria

Madeira

2015

Renewable and Sustainable Energy Reviews

204

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The steam reforming of the main biodiesel by-product, glycerol, has been catching up the interest of the scientific community in the last years. The use of glycerol for hydrogen production is an advantageous option not only because glycerol is renewable but also because it's use would lead to the decrease of the price of biodiesel, thus making it more competitive. Consequently, the use of biodiesel at large scale would significantly reduce CO2 emissions comparatively to fossil fuels. Moreover, hydrogen itself is seen as a very attractive clean fuel for transportation purposes.Therefore, the industrialization of the glycerol steam reforming (GSR) process would have a tremendous global environmental impact. In the last years, intensive research regarding GSR thermodynamics, catalysts, reaction mechanisms and kinetics, and innovative reactor configurations (sorption enhanced reactors (SERs) and membrane reactors (MRs)) has been done, aiming for improving the process effectiveness. In this review, the main challenges and strategies adopted for optimization of GSR process are addressed, namely the GSR thermodynamic aspects, the last developments on catalysis and kinetics, as well as the last advances on GSR performed in SERs and MRs.

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“…The HT precursors were intercalated with silicates rather than carbonates to improve the mechanical properties of the catalysts [62,63]. The deposition of Rh performed by CVD [64][65][66] was aimed to evaluate if Rh may be deposited on previously segregated Ni 0 particles [67,68] and it was able to modify the metal particle size and dispersion. By this way, the role of Rh (0.18 wt.%) on the reducibility, metal particle dispersion and performances of catalysts with different Ni loadings (about 8 and 2 wt.%) was investigated.…”

Section: Introductionmentioning

confidence: 99%