Bio-crude oil production from a new genotype of Miscanthus sacchariflorus Geodae-Uksae 1

Sang Kyu Choi, Yeon Seok Choi, So Young Han, Seock Joon Kim, Tawsif Rahman, Yeon Woo Jeong, Quynh Van Nguyen and Young Rok Cha

Renewable Energy, 2019, vol. 144, issue C, 153-158

Abstract: A new genotype of Miscanthus sacchariflorus Geodae-Uksae 1, which was recently collected from damp land in South Korea, was pyrolyzed in a bubbling fluidized bed reactor for bio-crude oil production. Comparing to woody biomass this has a remarkably economic advantage of very low water content, because it is collected after naturally dried in autumn. This biomass was ground and sieved to acquire the fine size less than 1 mm and fed into the reactor with feeding rate of 200 g/hr continuously. Four reactor temperatures, 400, 450, 500, and 550 °C were set to investigate the optimal temperature for highest bio-crude oil yield and quality. Proximate and ultimate analyses were done for both biomass and bio-crude oil to scrutinize the property change during the fast pyrolysis. Experimental results showed that the maximum bio-crude oil yield was obtained to be 51.88 wt% at the pyrolysis temperature of 500 °C. The maximum higher heating value (HHV) of bio-crude oil was determined to be 15.88 MJ/kg at 400 °C, which was similar to the original biomass. At the pyrolysis temperature of 400 °C, the moisture content of bio-crude oil was 19.46 wt% which was increased by 8.61 wt% than the original biomass. Overall fuel properties of miscanthus sacchariflorus Gedae-Uksae 1 was thought to be similar to the general woody bio-crude oil.

Keywords: Bio-crude oil; Gedae-Uksae 1; Fast pyrolysis; Bubbling fluidized bed reactor (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:144:y:2019:i:c:p:153-158

DOI: 10.1016/j.renene.2018.07.043

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