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Biodiesel production from oleaginous microorganisms with wastes as raw materials

  • Lalit R. Kumar
  • , Rajwinder Kaur
  • , Sravan Kumar Yellapu
  • , Xiaolei Zhang
  • , Rajeshwar Dayal Tyagi
  • Institut national de la recherche scientifique

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

The chapter “Biodiesel production using oleaginous microbes with wastes as raw materials” discusses the recent developments in biodiesel production using microbial lipid. Microbial lipids are produced by oleaginous microorganisms (lipid content ≥ 20% w/w) during fermentation under specific environmental conditions. The chapter mainly focuses on oleaginous yeasts, fungi, and bacteria. The chapter explores waste substrates like municipal sludge, lignocellulosic wastes, and crude glycerol for microbial lipid fermentation. Significance of fermentation operational parameters like C/N ratio, feed-strategies, DO, and pH have been discussed for obtaining high biomass concentration and lipid productivity. Recent developments in biodiesel downstream processing like biomass harvesting, lipid extraction, transesterification, and biodiesel purification have also been discussed. Techno-economic studies and energy balance studies have been presented to investigate the feasibility of biodiesel production using microbial lipid at industrial scale.

Original languageEnglish
Title of host publicationBiomass, Biofuels, Biochemicals
Subtitle of host publicationBiofuels: Alternative Feedstocks and Conversion Processes for the Production of Liquid and Gaseous Biofuels
PublisherElsevier
Pages661-690
Number of pages30
ISBN (Electronic)9780128168561
DOIs
StatePublished - 1 Jan 2019
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities

Keywords

  • Cell disruption
  • Downstream processing
  • Energy balance
  • Fermentation parameters
  • Microbial lipid
  • Waste sources

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