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Perspective

Thermochemical processing of macroalgae: a late bloomer in the development of third-generation biofuels?

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Pages 441-461 | Published online: 09 Apr 2014
 

Abstract

This article offers a critical overview of the recent developments in thermochemical processing of macroalgae, a field that has been comparatively neglected when viewed against the vast wealth of research into alternative biofuel production methods and feedstocks. However, advances in thermochemical techniques have led to a flurry of activity into the applicability and use of macroalgae. Recent research has demonstrated that macroalgae may be used to produce bioresources in a similar way to many conventional terrestrial feedstocks and, indeed, may also possess a number of advantages (notably by not competing for land that could be used for food and forestry, nor requiring extensive use of nitrogenous fertilizers). With this in mind, it is suggested that many of the criticisms that have led to previous disinterest in thermal processing of macroalgae are not valid. Nevertheless, only through the continuation of these recent endeavors can macroalgal biomass, via broader and successively larger scale experimentation, demonstrate itself to be a competitive source of renewable energy.

Financial & competing interests disclosure

The authors are grateful to The Centre for Process Innovation, Durham University, and the Engineering and Physical Sciences Research Council for financial support. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.

No writing assistance was utilized in the production of this manuscript.

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