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Waste Water Derived Electroactive Microbial Biofilms: Growth, Maintenance, and Basic Characterization
Published on: December 29, 2013
Pt-based electro-catalytic materials derived from biosorption processes and their exploitation in fuel cell
S Dimitriadis1, N Nomikou, A P McHale
1School of Biomedical Sciences, University of Ulster, Coleraine, Co Derry, Northern Ireland, UK.
Biotechnology Letters
|January 17, 2007
Summary
Yeast biomass in PVA cryogels recovers platinum from solutions. This platinum-biomass matrix then generates electricity from renewable fuels like glucose and ethanol in a fuel cell.
Area of Science:
- Biotechnology and Environmental Science
Background:
- Platinum recovery from industrial wastewater is crucial.
- Developing sustainable energy sources from renewable fuels is a global priority.
Purpose of the Study:
- To develop a biosorbent for platinum recovery.
- To utilize the platinum-biosorbent matrix as an electro-catalytic anode in a fuel cell for energy generation.
Main Methods:
- Immobilizing yeast-based biomass in polyvinyl alcohol (PVA) cryogels.
- Using the PVA-yeast-platinum matrices as anodes in a fuel cell with glucose and ethanol as renewable fuels.
Main Results:
- Successful recovery of platinum (PtCl6(2-)) from aqueous solutions using the biosorbent.
- Demonstrated electro-catalytic activity of the biomass-Pt matrices in a fuel cell configuration.
- Generation of electrical energy from renewable sources like glucose and ethanol.
Conclusions:
- An integrated bioremediation and energy production strategy was proposed.
- The developed material offers a pathway for high-value platinum recovery and sustainable energy generation.
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