An experimental investigation of biodiesel steam reforming

Martin, Stefan; Kraaij, Gerard; Ascher, Torsten; Wails, David; Wörner, Antje

doi:10.1016/j.ijhydene.2014.10.143

Cited by 24 publications

(9 citation statements)

References 27 publications

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“…Apart from these main reactions, coking of the catalyst can occur under real-life conditions being favored at low reforming temperatures, low S/C ratios and high feed mass flow rates. Thermodynamically, coke formation is not expected at S/C ratios higher than 2, the actual value of which depends on the reformer operating conditions (15…”

Section: Hulteberg Et Al (3)mentioning

confidence: 96%

“…Methyl-oleate is considered to be a suitable reference substance for modeling biodiesel SR, since the molar C:H:O-ratio is very similar to biodiesel (C 18.3 H 34.8 O 2 ). A more detailed comparison of the physicochemical properties of methyl-oleate and biodiesel is given in (7) and (15). SR of methyl-oleate can be described by three linearly independent chemical equations, namely the steam reforming reaction (Eq.…”

Section: Hulteberg Et Al (3)mentioning

confidence: 99%

“…The water-biodiesel feed stream is then heated up to 650 °C by recuperative heat exchange, making use of the reformate enthalpy. The steam reformer is operated at 825 °C taking into account that coke formation can be significantly reduced by applying high temperatures (15,16). Upon leaving the reformer section, the hydrogen rich gas is cooled down to a WGS inlet temperature of 300 °C.…”

Section: Hulteberg Et Al (3)mentioning

confidence: 99%

“…In the past years, several experimental studies have been conducted shedding light on biodiesel steam reforming (11,12,13,14). Recently, Martin et al (15) presented a study, the main emphasis of which was placed on finding suitable operating conditions for SR of biodiesel. A stable product gas composition has been achieved over 100 h of operation by using a metallic based precious metal catalyst, applying low feed mass flow rates and a sufficiently high catalyst inlet temperature (> 750 °C).…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of on-site hydrogen generation via steam reforming of biodiesel: Process optimization and heat integration

Martin

Albrecht

Veer

et al. 2016

International Journal of Hydrogen Energy

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The present study investigates the distributed generation of hydrogen (50 Nm 3 /h) by steam reforming of biodiesel. The system comprises a steam reformer, a water gas shift stage, a pressure swing adsorption unit and a dual fuel burner. Sensitivity analysis with Aspen Plus shows a positive effect on overall system efficiency for high pressure and a low steam-tocarbon ratio. A theoretical maximum efficiency (based on lower heating value) of 78.2 % can be obtained requiring a complex and costly heat exchanger network. Consequently, a system simplification is proposed resulting in a novel fuel processor concept for steam reforming of biodiesel based on a fully heat integrated system. A thermal system efficiency of 75.6 % is obtained at S/C=2.53, p=13 bara and T Ref =825 °C. The techno-economic evaluation reveals hydrogen production costs ranging from 7.25 €/kg to 10.58 €/kg.

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Section: Hulteberg Et Al (3)mentioning

confidence: 96%

Section: Hulteberg Et Al (3)mentioning

confidence: 99%

Section: Hulteberg Et Al (3)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of on-site hydrogen generation via steam reforming of biodiesel: Process optimization and heat integration

Martin

Albrecht

Veer

et al. 2016

International Journal of Hydrogen Energy

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“…[26] In order to better understand the effect of flow rate, a feed flow variation of upgraded OMWS bio-oil has been carried out. [26] In order to better understand the effect of flow rate, a feed flow variation of upgraded OMWS bio-oil has been carried out.…”

Section: Effect Of Upgraded Bio-oil Feed Flow Rate On the Sofc Performentioning

confidence: 99%

Investigation of Direct‐Fed Solid Oxide Fuel Cell Fueled by Upgraded Bio‐Oil Extracted from Olive Waste Pyrolysis: Part 2: Analysis of Electrochemical Behavior and Cell Performance

Elleuch

Halouani

2018

Energy Tech

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In this paper, we propose the first demonstration of the flexibility of operating directly Intermediate Temperature Solid Oxide Fuel Cell (IT‐SOFC) with liquid biofuels for sustainable clean power generation. Biofuel used in this part is prepared through an upgrading process of bio‐oil obtained from olive mill wastewater sludge detailed in part 1 and demonstrated a successful improvement in physicochemical properties. Cell electrochemical polarization behavior, stability and internal decomposition of upgraded bio‐oil over the Ni‐SDC anode at different operating conditions such as temperatures and feed flow rates were deeply investigated. Results showed that IT‐SOFC is able to convert the upgraded bio‐oil to electricity at viable power densities (230 mW cm−2 at 750 °C) which is majorly related to the production of reactive fuels (H2, CO, CH4) from upgraded bio‐oil cracking over Ni‐based catalyst. Several side reactions may also occur over anode. Reverse Boudouard reaction is the main reaction reducing deposits as it forms. Bio‐oil upgrading leads to a promising stability with limited carbon deposits (1.35 wt %) at 750 °C.

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