Journal
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume 125, Issue -, Pages 318-327Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jaap.2017.03.009
Keywords
Microwave; Bio-char; Energy efficiency; Energy consumption; Mixed reforming
Funding
- Promotive Research Fund for Excellent Young and Middle-aged Scientists of Shandong Province [BS2014NJ014]
- Qingdao Science and Technology Project [15-9-1-34-jch]
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This paper concerns microwave-assisted methane reforming with or without water. In this work, a heterogeneous mixture of biomass derived char (i.e., bio-char) and a commercial nickel-based catalyst is used for the reforming reaction. The obtained conversions, equivalent carbon consumption, energy efficiency and consumption are focused on Ni/bio-char with the weight ratio of 10% imposes better activity than others. Equivalent carbon consumption on these materials initially decreases with time and tends to be stable afterward. Carbon consumption in bio-char is relieved when using Ni/bio-char with the ratio ranged from 5% to 10%. Energy efficiency is dependent of the used material and the reforming temperature. The optimized efficiency under the higher temperature is obtained on Ni/bio-char with the lower ratio. Energy consumption on Ni/bio-char with the ratio of 10% is 7.9 kW h(-1) of per m(3) of syngas produced and this value is lower than others. From the point of the conversions, carbon consumption and energy utilization, Ni/bio-char with the ratio of 10% is favorable for the reforming reaction. The obtained conversions and the H-2/CO ratio are promoted in mixed reforming on Ni/bio-char. (C) 2017 Elsevier B.V. All rights reserved.
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