Diesel fuel reformer for automotive fuel cell applications

Lindström, Bård; Karlsson, Johannes; Ekdunge, P.; Verdier, Laurent; Häggendal, Björn; Dawody, Jazaer; Nilsson, Mikael; Pettersson, Lars J.

doi:10.1016/j.ijhydene.2009.02.013

Cited by 118 publications

(29 citation statements)

References 12 publications

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“…A promising application of autothermal processes is in improving the operating conditions by minimizing heat consumption [6]. In particular, autothermal reactors have potential applications in the steam reforming of light alkanes for hydrogen generation in on-board vehicular fuel cells or in the production of syngas, a gaseous fuel that is a mixture of hydrogen, carbon monoxide and often carbon dioxide [8]. Autothermal reactors are efficient in the production of H 2 from steam reforming of methanol [9] and in optimising oxidation and steam reforming for methane conversion [11].…”

Section: C103mentioning

confidence: 99%

Maximizing product concentration in a diabatic multistage reactor

Saleh¹,

Nelson

2016

ANZIAMJ

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We develop a mathematical model describing the operation of autothermal processes. Autothermal reactors provide considerable thermal efficiency over conventional reactors. The reaction mechanism investigated is A → B → C, where the reactions occur in a two reactor cascade. Specific features of coupled endothermic and exothermic reactions are taken into account. Particular considerations are presented and discussed for different catalysts to obtain 90% conversion into product.

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Section: C103mentioning

confidence: 99%

Maximizing product concentration in a diabatic multistage reactor

Saleh¹,

Nelson

2016

ANZIAMJ

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“…Stable and sustainable hydrogen throughput also requires homogeneous and constant mixing. Lindstrom [115] compared the performances of three reactors with different mixing chamber designs. In the M2 reactor the diesel-slip (diesel not converted) in the reformate was 1,500 ppm, and the H2 volumetric percentage in the production suddenly decreased from 35% to 25% after 200 min of operation.…”

Section: Autothermal Reforming Of N-dodecane (Surrogate Of Jp-8) and mentioning

confidence: 99%

Planar Solid-Oxide Fuel Cell System Demonstration at UT SimCenter

Kapadia¹,

Newman²,

Anderson³

2015

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The public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any othe' aspect of this collection of information, including suggestions for reducing the burden, to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any otheprovision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. REPORT DATE (DD-MM-YYYY)12-09-2015 5a. CONTRACT NUMBER. Enter all contract numbers as they appear in the report, e.g. F33315-86-C-5169. REPORT TYPE5b. GRANT NUMBER. Enter all grant numbers as they appear in the report, e.g. AFOSR-82-1234. 5c. PROGRAM ELEMENT NUMBER.Enter all program element numbers as they appear in the report, e.g. 61101 A.5e. TASK NUMBER. Enter all task numbers as they appear in the report, e.g. 05; RF0330201; T4112.5f. WORK UNIT NUMBER. Enter all work unit numbers as they appear in the report, e.g. 001; AFAPL30480105. AUTHOR(S). Enter name(s) of person(s)responsible for writing the report, performing the research, or credited with the content of the report. The form of entry is the last name, first name, middle initial, and additional qualifiers separated by commas, e.g. Smith, Richard, J, Jr. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES).Self-explanatory. PERFORMING ORGANIZATION REPORT NUMBER.Enter all unique alphanumeric report numbers assigned by the performing organization, e.g. BRL-1234; AFWL-TR-85-4017-Vol-21-PT-2. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES).Enter the name and address of the organization(s) financially responsible for and monitoring the work. SPONSOR/MONITOR'S ACRONYM(S).Enter, if available, e.g. BRL, ARDEC, NADC. SPONSOR/MONITOR'S REPORT NUMBER(S).Enter report number as assigned by the sponsoring/ monitoring agency, if available, e.g. BRL-TR-829; -215. DISTRIBUTION/AVAILABILITY STATEMENT. AbstractA three-dimensional, unstructured, multi-species reacting flow solver is developed to model solid oxide fuel cells (SOFCs) as well as catalytic reactors. The finite volume based solver utilizes density-based method to solve the coupled system of governing equations. Numerical results for both SOFC and reactor obtained using the inhouse code are compared with the experimental results from the literature for validation purposes. Effects of mass flow rates of incoming species on performance of SOFC as well as catalytic reactor are investigated. Two different methods namely direct differentiation and discrete adjoint method are implemented in the code to compute sensitiv...

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“…The catalytic partial oxidation (CPOX) of liquid hydrocarbons over rhodium at short contact times is an efficient route to on-board syngas production for a fuel cell with the reformer and the fuel cell forming an auxiliary power unit [1][2][3][4][5][6]. Rh/Al 2 O 3 catalysts are the most efficient catalysts for a high syngas yield [7][8][9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, a high syngas yield with low by-product formation and stable operation has been achieved for many different hydrocarbons and logistic fuels [1][2][3][4][5][24][25][26][27][28][29][30][31][32][33][34]. Still missing for sulfur-containing jet fuels are spatially-resolved concentration profiles, which are crucial for the understanding of the interplay between the main reactions and side reactions, e.g., cracking reactions, in dependence on the axial position.…”

Section: Introductionmentioning

confidence: 99%

Spatial Concentration Profiles for the Catalytic Partial Oxidation of Jet Fuel Surrogates in a Rh/Al2O3 Coated Monolith

et al. 2016

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Abstract:The catalytic partial oxidation (CPOX) of several hydrocarbon mixtures, containing n-dodecane (DD), 1,2,4-trimethylbenzene (TMB), and benzothiophene (BT) as a sulfur compound was studied over a Rh/Al 2 O 3 honeycomb catalyst. The in-situ sampling technique SpaciPro was used in this study to investigate the complex reaction system which consisted of total and partial oxidation, steam reforming, and the water gas shift reaction. The mixtures of 83 vol % DD, 17 vol % TMB with and without addition of the sulfur compound BT, as well as the pure hydrocarbons were studied at a molar C/O-ratio of 0.75. The spatially resolved concentration and temperature profiles inside a central channel of the catalyst revealed three reaction zones: an oxidation zone, an oxy-reforming zone, and a reforming zone. Hydrogen formation starts in the oxy-reforming zone, not directly at the catalyst inlet, contrary to methane CPOX on Rh. In the reforming zone, in which steam reforming is the predominant reaction, even small amounts of sulfur (10 mg S in 1 kg fuel) block active sites.

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Diesel fuel reformer for automotive fuel cell applications

Cited by 118 publications

References 12 publications

Maximizing product concentration in a diabatic multistage reactor

Maximizing product concentration in a diabatic multistage reactor

Planar Solid-Oxide Fuel Cell System Demonstration at UT SimCenter

Spatial Concentration Profiles for the Catalytic Partial Oxidation of Jet Fuel Surrogates in a Rh/Al2O3 Coated Monolith

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