Journal
CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY
Volume 28, Issue 3, Pages 237-245Publisher
ASSOC CHEMICAL ENG
DOI: 10.2298/CICEQ210819035T
Keywords
apple seeds; Aspen Plus (R); biodiesel; economics; supercritical technology; WAR (R)
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Funding
- Republic of Serbia - Ministry of Education, Science and Technological Development [451-03-68/2022-14/200133, III 45001]
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This study evaluated the design, economic feasibility, and environmental impact of biodiesel production from apple seed oil obtained from apple pomace. The results showed that the process is viable and environmentally friendly.
Apple pomace is a solid waste derived from the apple processing industry. To foster sustainability, the apple processing industry must implement the circular economy model of biorefinery and treat apple pomace as a valuable source of apple seed oil. For the first time, this study dealt with the design, economic, and potential environmental impact assessment of biodiesel production from apple seed oil obtained from apple pomace. An Aspen Plus (R) and WAR (R) software were used to evaluate the designed biodiesel production. The main production steps were the supercritical CO2 extraction, the methanolysis of apple seed oil, the methanol recovery, and the biodiesel separation. The production facility was assumed to process 24 tons of apple seeds daily. The total capital and production costs were 1.26 US$ million and 2.82 US$ million, respectively. If revenues from selling apple seed meal as cattle feed were included, a biodiesel price could be 0.39 US$/kg. The process was environmentally friendly when apple seed meal was not treated as waste.
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