articleDiscover SustainabilityFeb 19, 2025GOLD OA

Valorization of used cooking oil: challenges, current developments, life cycle assessment and future prospects

National Institute of Food Technology Entrepreneurship and Management · University of Delhi · +2 more institutions

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Abstract

This review explores the recycling of used cooking oil, a global waste product with an annual production ranging from 41 to 67 million tons, for waste management and resource recovery. It examines the sources and composition of used cooking oil, focusing on its potential as a feedstock for valuable products. The review analyzes biochemical, thermal, and chemical conversion methods for their application in valorization of UCO (Used Cooking Oil). The advanced techniques such as catalytic upgrades, electrochemical conversion, membrane separation, and supercritical fluid extraction have also been investigated for their role in improving efficiency. Although biodiesel is the widely produced product, the review also…

Citation impact

53
total citations
FWCI
28.83
Percentile
100%
References
191
Citations per year

Authors

7

Topics & keywords

Keywords
  • Current (fluid)
  • Life-cycle assessment
  • Environmental science
  • Natural resource economics
  • Waste management
  • Engineering
  • Economics
  • Production (economics)
UN Sustainable Development Goals
  • Zero hunger
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