Recent trends in microalgal harvesting: an overview

Natasha Laraib (), Ali Hussain (), Arshad Javid (), Tahir Noor (), Qurat-ul-Ain Ahmad (), Asma Chaudhary (), Maleeha Manzoor (), Muhammad Akmal (), Syed Mohsin Bukhari (), Waqas Ali (), Tae Jin Choi () and Peer M. Schenk ()
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Natasha Laraib: University of Veterinary and Animal Sciences
Ali Hussain: University of Veterinary and Animal Sciences
Arshad Javid: University of Veterinary and Animal Sciences
Tahir Noor: University of Veterinary and Animal Sciences
Qurat-ul-Ain Ahmad: University of Education
Asma Chaudhary: University of Education
Maleeha Manzoor: Government College University
Muhammad Akmal: University of Veterinary and Animal Sciences
Syed Mohsin Bukhari: University of Veterinary and Animal Sciences
Waqas Ali: University of Veterinary and Animal Sciences
Tae Jin Choi: Pukyong National University
Peer M. Schenk: University of Queensland

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2022, vol. 24, issue 6, No 54, 8721 pages

Abstract: Abstract In this modern era due to multidimensional problems associated with petrochemical fuels, the scientific community is showing a burgeoning interest in microalgae due to their potential applications which are indispensable for economic amelioration. Microalgae are a fundamental source of oils and various other biomolecules that can be used in the production of biofuels and various other value-added bioproducts. However, implication of microalgae-based biofuels is not economically viable due to various factors. One of these prime reasons is the cost associated with its harvesting. This review focuses on various harvesting techniques applied to microalgae in the last 2/3 decades, presenting the main benefits and drawbacks of each method to allow the selection of appropriate method(s) for economically harvesting microalgal biomass. According to this review, use of any single technique is not viable for harvesting microalgal biomass. However, keeping in view the morphological characteristics of the microalgae, growth density, utility purpose of the harvested biomass, harvesting scale and physico-chemical characteristics of the production medium, these techniques should be applied in suitable combinations to obtain fruitful results.

Keywords: Centrifugation; Filtration; Flocculation; Flotation; Sedimentation (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10668-021-01805-2

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