期刊
ENERGY CONVERSION AND MANAGEMENT
卷 282, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2023.116861
关键词
Concentrated solar energy; Hydrothermal liquefaction processing; Biomass; Forestry waste
This paper presents a simulation and techno-economic analysis of a hydrothermal liquefaction (HTL) solar plant for bio-oil production. The plant uses a parabolic trough solar collector field and a natural gas boiler to provide the heat required for continuous operation. The thermal performance of the plant is simulated using TRNSYS software, and the biomass's composition and slurry's temperature are considered in calculating the bio-oil yield. An economic model aids in determining the minimum selling price of bio-oil for financial viability. The results suggest that integrating concentrated solar thermal technology for processing forestry residues could be a sustainable option for biofuel production in countries like Mexico.
This paper reports the simulation and techno-economic analysis of a hydrothermal liquefaction (HTL) solar plant for bio-oil production from forestry residues. The HTL solar plant is designed to process 1 ton of biomass daily. The heat required by the HTL process is provided by a parabolic trough solar collector field and a natural gas boiler to allow continuous operation. The annual simulation of the thermal performance of the plant is carried out using the TRNSYS software. The considered location is Temixco, Me ' xico, and a Typical Meteorological year is used to characterize the site's climate. The bio-oil yield is calculated by a kinetic model that considers the biomass's composition and the slurry's temperature. An economic model is implemented that includes the costs involved and helps determine the bio-oils minimum selling price for the system's financial viability. The obtained yields of biogas, bio-oil, biochar, and organic aqueous phase are 13.3, 29.4, 13.6, and 42.9 wt%, respectively. The minimum fuel sale price (MFSP) for the annual production obtained is estimated between $1.27 and USD 1.55/kg. Eliminating transportation costs, the value of MFSP was assessed in a range of $0.89 to USD 1.09/kg. The results show that integrating concentrated solar thermal technology for processing lignocellulosic waste from the sawmill industry may be an attractive, viable, and sustainable option for producing biofuels, with potential application in countries with high availability of forest biomass, such as Mexico.
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