Multifaceted applications of isolated microalgae Chlamydomonas sp. TRC-1 in wastewater remediation, lipid production and bioelectricity generation

[Display omitted] •Multifaceted applications of newly isolated microalga C. TRC-1 were explored.•Remediation, lipid and bioelectricity generation potential of alga were studied.•99.89% decolorization of FTE after 7 days was achieved.•Enhancement in lipid content (4%) was observed after bioremediatio...

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Published in:	Bioresource technology Vol. 304; p. 122993
Main Authors:	Behl, Kannikka, SeshaCharan, Pasupuleti, Joshi, Monika, Sharma, Mahima, Mathur, Ashish, Kareya, Mukul Suresh, Jutur, Pannaga Pavan, Bhatnagar, Amit, Nigam, Subhasha
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-05-2020
Subjects:	Biofuels Biomass Bioremediation Chlamydomonas Electrogenic Lipids Microalga Microalgae Textile effluent Waste Water Bioremediation Textile effluent Biofuels Microalga Electrogenic
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Summary:	[Display omitted] •Multifaceted applications of newly isolated microalga C. TRC-1 were explored.•Remediation, lipid and bioelectricity generation potential of alga were studied.•99.89% decolorization of FTE after 7 days was achieved.•Enhancement in lipid content (4%) was observed after bioremediation.•Increase of 1.5 and 1.04 folds for current and power density after bioremediation. Green microalga, Chlamydomonas sp. TRC-1 (C. TRC-1), isolated from the outlet of effluent treatment plant of textile dyeing mill, was investigated for its competence towards bioremediation. Algal biomass obtained after remediation (ABAR) was implied for bioelectricity and biofuel production. C. TRC-1 could completely decolorize the effluent in 7 days. Significant reduction in pollution-indicating parameters was observed. Chronoamperometric studies were carried out using cyclic voltammetry and electrochemical impedance spectroscopy (EIS). Maximum current density, power and power density of 3.6 A m–2, 4.13 × 10–4 W and 1.83 W m–2, respectively were generated in ABAR. EIS studies showed a decrease in resistance of ABAR, supporting better electron transfer as compared to algal biomass before remediation (ABBR). Its candidature for biofuel production was assessed by estimating the total lipid content. Results revealed enhancement in lipid content from 46.85% (ABBR) to 79.1% (ABAR). Current study advocates versatile potential of isolated C. TRC-1 for bioremediation of wastewater, bioelectricity production and biofuel generation.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0960-8524 1873-2976
DOI:	10.1016/j.biortech.2020.122993