Journal
BIORESOURCE TECHNOLOGY
Volume 218, Issue -, Pages 1170-1177Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.07.077
Keywords
Diplosphaera sp MM1; Dairy wastewater; Winery wastewater; Anaerobic digestion; Biochemical methane potential
Funding
- Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE)
- Ministry of Housing and Urban-Rural Development [2016K4032]
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This study evaluated the potential of a microalga Diplosphaera sp. MM1 for its ability to generate energy through biomass production from wastewater remediation. 33% dairy wastewater and 50% winery wastewater demonstrated as promising alternative media for cultivating Diplosphaera sp. MM1 biomass. Interestingly, the alga cultivated in 50% winery wastewater with limited nitrogen produced the highest lipid content (43.07% total solid) and the lowest carbohydrate content (9.35% TS). On the contrary, the lowest lipid content (16.98% TS) and the highest carbohydrate content (29.39% TS) were exhibited by the alga cultivated in 33% dairy wastewater. The results from anaerobic digestion processes in terms of biochemical methane potential of the alga cultivated in BG-11 medium, 33% dairy wastewater and 50% winery wastewater were 197.39, 129.75 and 218.51 NmL g (VS)-V-1, respectively. Further, this study demonstrates the potential of winery wastewater as a candidate to increase the lipid content of algae and enhance biofuel production of algal biomass. (C) 2016 Elsevier Ltd. All rights reserved.
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