Biodegradation of Reactive Orange 16 Dye in Microbial Fuel Cell: An Innovative Way to Minimize Waste Along with Electricity Production.

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ID: 105092
2020
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Abstract
Microbial fuel cell (MFC) is an attractive green technology which harnesses the power of microorganism for the production of electricity along with bioremediation of waste. However, the bioremediation of the high concentration of dye wastewater in MFC remains unclear. In present study, double-chambered MFC inoculated with mixed bacterial consortium was used for bioremediation of reactive orange 16 (RO-16) dyes at a very high and variable concentration range of 100 to 1000 ppm. Maximum voltage was obtained for 100 ppm of dye and was found to be 0.5791 V along with a power density of 0.0851 W/m. Till 500 ppm concentration of dye COD removal efficiency remains in range of 40 to 100% thereafter it decreases. The maximum concentration of CO was found to be 2% at 1000 ppm which confirms the biodegradation phenomena in MFC. Kinetics of biodegradation of reactive orange 16 were studied using Haldane inhibitory kinetic model and kinetic constants μ, K, and K were calculated and found to be 0.417 day, 206.2 ppm, and 447.12 ppm respectively. The experimental results showed inhibitory condition in the MFC after 500 ppm and it was supported by the value of inhibitory kinetic constant K = 447.12 ppm. This study opened the possibility of bioremediation of dyes at high concentrations in MFCs.
Reference Key
shahi2020biodegradationapplied Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Shahi, Amrita;Rai, Birendra Nath;Singh, Ram Sharan;
Journal Applied biochemistry and biotechnology
Year 2020
DOI
10.1007/s12010-020-03306-w
URL
Keywords
cod removal efficiency haldane kinetics microbial fuel cell (mfc) reactive orange 16

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