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In the context of wastewater treatment, Bioelectrochemical Systems (BESs) have gained considerable interest in the past few years, and several BES processes are on the brink of application to this area. This book, written by a large number of world experts in the different sub-topics, describes the different aspects and processes relevant to their development.
Bioelectrochemical Systems (BESs) use micro-organisms to catalyze an oxidation and/or reduction reaction at an anodic and cathodic electrode respectively. Briefly, at an anode oxidation of organic and inorganic electron donors can occur. Prime examples of such electron donors are waste organics and sulfides. At the cathode, an electron acceptor such as oxygen or nitrate can be reduced. The anode and the cathode are connected through an electrical circuit. If electrical power is harvested from this circuit, the system is called a Microbial Fuel Cell; if electrical power is invested, the system is called a Microbial Electrolysis Cell.
The overall framework of bio-energy and bio-fuels is discussed. A number of chapters discuss the basics - microbiology, microbial ecology, electrochemistry, technology and materials development. The book continues by highlighting the plurality of processes based on BES technology already in existence, going from wastewater based reactors to sediment based bio-batteries. The integration of BESs into existing water or process lines is discussed. Finally, an outlook is provided of how BES will fit within the emerging biorefinery area.
Bioelectrochemical Systems: A New Approach Towards Environmental and Industrial Biotechnology;Microbial Energy Production from Biomass; Enzymatic Fuel Cells and their Complementarities Relative to Bes; Shuttling Via Soluble Compounds; A Survey Of Direct Electron Transfer from Microbes to Electronically Active Surfaces; Genetically Modified Microorganisms for Bioelectrochemical Systems; Electrochemical Losses; Electrochemical Techniques for The Analysis of Bioelectrochemical Systems; Materials For Bes; Technological Factors Affecting Bes Performance And Bottlenecks Towards Scale Up; Organics Oxidation; Conversion of Sulfur Species In Bioelectrochemical Systems; Chemically Catalyzed Cathodes In Bioelectrochemical Systems; Bioelectrochemical Reductions in Reactor Systems; Bioelectrochemical Systems (Bes) for Subsurface Remediation; Fundamentals Of Benthic Microbial Fuel Cells: Theory, Development And Application; Microbial Fuel Cells as Biochemical Oxygen Demand (Bod) and Toxicity Sensors; Feedstocks for Bes Conversions; Integrating Bes in The Wastewater and Sludge Treatment Line; Peripherals of Bes - Small Scale Yet Feasible (Demonstrated) Applications; Towards a Mathematical Description of Bioelectrochemical Systems' Outlook: Research Directions and New Applications for Bes.