Sustainable utilization of biowaste compost for renewable energy and soil amendments

Wen Yi Chia, Kit Wayne Chew, Cheng Foh Le, Su Shiung Lam, Chelsea Siew Chyi Chee, Mae See Luan Ooi, Pau Loke Show

Research output: Contribution to journalReview articlepeer-review

79 Scopus citations


Acceleration of urbanization and industrialization has resulted in the drastic rise of waste generation with majority of them being biowaste. This constitutes a global challenge since conventional waste management methods (i.e., landfills) present environmental issues including greenhouse gases emissions, leachate formation and toxins release. A sustainable and effective approach to treat biowaste is through composting. Various aspects of composting such as compost quality, composting systems and compost pelletization are summarized in this paper. Common application of compost as fertilizer or soil amendment is presented with focus on the low adoption level of organic waste compost in reality. Rarely known, compost which is easily combustible can be utilized to generate electricity. With the analysis on critical approaches, this review aims to provide a comprehensive study on energy content of compost pellets, which has never been reviewed before. Environmental impacts and future prospects are also highlighted to provide further insights on application of this technology to close the loop of circular bioeconomy.

Original languageBritish English
Article number115662
JournalEnvironmental Pollution
StatePublished - Dec 2020


  • Circular bioeconomy
  • Compost
  • Fuel
  • Pellet
  • Renewable energy


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