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Addressing the challenges for sustainable production of algal biofuels: II. Harvesting and conversion to biofuels.

Authors
  • Abdelaziz, Ahmed E M
  • Leite, Gustavo B
  • Hallenbeck, Patrick C
Type
Published Article
Journal
Environmental technology
Publication Date
Jan 01, 2013
Volume
34
Issue
13-16
Pages
1807–1836
Identifiers
PMID: 24350436
Source
Medline
License
Unknown

Abstract

In order to ensure the sustainability of algal biofuel production, a number of issues need to be addressed. Previously, we reviewed some of the questions in this area involving algal species and the important challenges of nutrient supply and how these might be met. Here, we take up issues involving harvesting and the conversion ofbiomass to biofuels. Advances in both these areas are required if these third-generation fuels are to have a sufficiently high net energy ratio and a sustainable footprint. A variety of harvesting technologies are under investigation and recent studies in this area are presented and discussed. A number of different energy uses are available for algal biomass, each with their own advantages as well as challenges in terms of efficiencies and yields. Recent advances in these areas are presented and some of the especially promising conversion processes are highlighted.

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