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- Title
Sustainable Point of View: Life Cycle Analysis for Green Extraction Technologies.
- Authors
Aslanbay Guler, Bahar; Tepe, Ugur; Imamoglu, Esra
- Abstract
Microalgae have emerged as a promising source of renewable energy and natural bioproducts since they show high biomass productivity, offer carbon dioxide fixation, and exhibit a rich content of compounds. Recent efforts have focused on green extraction technologies that utilize green solvents to further promote sustainability and minimize the environmental impact of the microalgal process. At this point, life cycle analysis (LCA) provides valuable insights into the environmental impacts of specific products and techniques. A comprehensive overview of the life cycle environmental and energy assessments conducted for the extraction of metabolites from microalgae is presented. Special attention is given to using green extraction technologies, i.e., supercritical fluid extraction, pressurized liquid extraction, microwave‐assisted extraction, ultrasound‐assisted extraction, and pulsed‐electric field extraction, and solvents to ensure sustainability. Additionally, the main principles, historical development, tools, and challenges of LCA are discussed. By addressing these aspects, the paper attracts attention to the environmental impacts associated with green extraction techniques for obtaining microalgal metabolites.
- Subjects
LIFE cycles (Biology); SOLVENT extraction; SUPERCRITICAL fluid extraction; BIOMASS liquefaction; CARBON dioxide fixation; RENEWABLE energy sources; EXTRACTION techniques; MICROWAVES
- Publication
ChemBioEng Reviews, 2024, Vol 11, Issue 2, p348
- ISSN
2196-9744
- Publication type
Article
- DOI
10.1002/cben.202300056