Journal
FUEL
Volume 271, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2020.117517
Keywords
Tar conversion; Pyrolysis; Catalyst; Char; Steam reforming; Waste peat
Categories
Funding
- National Key R&D Program of China [2018YFC1901200]
- National Natural Science Foundation of China [51906248, 51608507]
- Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory [GML2019ZD0101]
- Science and Technology Planning Project of Guangdong Province [2017B040404009]
- Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization [2019ECEU02]
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The pyrolysis char from waste peat with impregnated metal (Fe/Ni/Ca) were investigated for catalytic reforming of toluene in a laboratory dual-stage reactor. The prepared catalysts were examined in microstructure and textural characterization to analyze catalytic performance and stability. The results indicated that under the optimized conditions, the toluene conversions are greater than 92.7% for three types of peat char-supported catalysts, and the maximum molar ratio of syngas (CO + H-2) can reach up to 94.7% using Ni/peat char catalyst. The promising results demonstrated that the H-2 and CO are favored for Fe/peat char and Ni/peat char catalysts while the H-2 and CH4 are favored for Ca/peat char catalyst. After 320 min of experiment, the mol% of syngas decreased by less than 30% for three types of peat char catalysts. Significantly, peat char (C-SiO2) as a carrier can enhance the performance of catalyst through interaction with the metal, and it can be used as an adsorption carrier to absorb unreacted toluene. Such peat char-supported catalysts are thus promising for tar conversion and useful syngas production.
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