Abstract：
:The present study is designed to evaluate the potential of deoiled algal biomass (DAB) residue as an alternative resource for the production of bioethanol and biopolymers in a biorefinery approach. Hybrid pretreatment method resulted in higher sugar solubilization (0.590 g/g DAB) than the corresponding individual physicochemical (0.481 g/g DAB) and enzymatic methods (0.484 g/g DAB). Subsequent utilization of sugars from hybrid pretreatment for bioethanol using Saccharomyces cerevisiaeresulted in maximum bioethanol production at pH 5.5 (0.145 ± 0.008 g/g DAB) followed by pH 5.0 (0.122 ± 0.004 g/g DAB) and pH 6.0 (0.102 ± 0.002 g/g DAB). The experiments for biopolymer (PHB: polyhydroxybutyrate) production resulted in 0.43 ± 0.20 g PHB/g DCW. Extracted polymer on NMR and FT-IR analysis showed the presence of PHB. Exploration of DAB as an alternative renewable resource for multiple biobased products supports sustainability and also enables entirety use of DAB by addressing the DAB-residue allied disposal issues.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Naresh Kumar A,Chatterjee S,Hemalatha M,Althuri A,Min B,Kim SH,Venkata Mohan Sdoi
10.1016/j.biortech.2019.122315subject
Has Abstractpub_date
2020-01-01 00:00:00pages
122315eissn
0960-8524issn
1873-2976pii
S0960-8524(19)31545-7journal_volume
296pub_type
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