4.7 Article

An integrated biorefinery process for mandarin peel waste elimination

期刊

JOURNAL OF CLEANER PRODUCTION
卷 371, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2022.133594

关键词

Mandarin peel; Zero-waste process; Biorefinery; Autohydrolysis; PLA biocomposite

资金

  1. Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry (IPET) - Ministry of Agriculture, Food and Rural Affairs (MAFRA) [IPET821031-3]
  2. National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2021M3H4A3A02102349]
  3. National Research Foundation of Korea [2021M3H4A3A02102349] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

向作者/读者索取更多资源

Mandarin peel waste, a representative agricultural waste, has been successfully converted into high value-added products through an integrated biorefinery, reducing the waste mass and minimizing environmental damage.
Mandarin peel waste, a representative agricultural waste, has been dumped on land and marine environments worldwide, causing significant environmental damage. Thus, a solution is urgently required to reduce direct dumping and convert mandarin peel waste into high value-added products. In this study, to achieve a zero-waste concept, an integrated biorefinery effectively reduced the mass of mandarin peel waste through consecutive processes that included washing, autohydrolysis, enzymatic hydrolysis, and melt compounding. This suggests that integrated biorefinery produced 92.4% of arabinose and arabinooligosaccharide by autohydrolysis and 81.9% of glucose by enzymatic hydrolysis using 5 filter paper unit of cellulase. Overall, the enzymatically hy-drolyzed residue replaced 10% of polylactic acid for biocomposite production, which reached approximately 84% of the tensile strength level compared to that of neat polylactic acid. Finally, a concise economic assessment presents the feasibility of an integrated biorefinery by converting value-added products from mandarin peel waste to overcome the environmental and economic problems associated with direct dumping.

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