Applied Energy 154 (2015) 183–189 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Enhanced triacylglyceride extraction from microalgae using free nitrous acid pre-treatment a b c a a,⇑ Xue Bai , Peer M. Schenk , Zhiguo Yuan , Paul A. Lant , Steven Pratt School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia Algae Biotechnology Laboratory, School of Agriculture and Food Sciences, The University of Queensland, Brisbane, QLD 4072, Australia Advanced Water Management Centre (AWMC), The University of Queensland, Brisbane, QLD 4072, Australia highl i ghts graphical a bstrac t Free nitrous acid (FNA) pre-treatment enhanced triacylglyceride (TAG) yield from algae. The quality of the biodiesel that could be obtained was enhanced by FNA pre-treatment. Cell disruption by lower FNA was sufﬁcient to release protein and improve access to TAG. Higher FNA concentrations were detrimental to TAG recovery. The higher FNA concentrations caused a reduction in polyunsaturated fatty acids (PUFA). article i nfo abstract Article history: Triacylglyceride (TAG) recovery from algal biomass is primarily limited by the rigid algal cell envelope Received 29 October 2014 (cell wall and cell membrane). In this work, the effect of free nitrous acid (FNA) pre-treatment on TAG Received
Applied Energy – Elsevier
Published: Sep 15, 2015
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