Biofuel cell

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Biochemical fuel cell

Reexamination Certificate

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C429S457000, C429S502000

Reexamination Certificate

active

07833667

ABSTRACT:
A method and device for processing organic waste in an environmentally friendly manner. The waste flow is processed in a bipolar biofuel cell. The waste is introduced into a space having a pair of electrodes, which includes at least one anode and at least one cathode, while in a bipolar cell the anode and cathode are separated spatially and/or by a porous, electronically non-conductive, non-ion-selective wall, while an oxidizer is introduced in the space around the cathode, and where a potential difference is formed across the pair of electrodes such that at the anode CO2is produced and electricity is produced. The method can be carried out with waste flows including animal manure, waste water, waste water purification sludge, kitchen and garden waste (KGW), roadside grass, residual flows from industrial processes (such as molasses, whey, draff) and/or dredgings.

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Habermann et al., Biological Fuel Cells with Sulphide Storage Capacity, Dec. 20, 1990, Applied Microbiology and Biotechnology, pp. 128-133.
Habermann W et al: “Biological Fuel Cells With Sulphide Storage Capacity” Applied Microbiology and Biotechnology, Springer Verlag, Berlin, DE, vol. 35, No. 1, 1991, pp. 128-133, XP000862908 ISSN: 0175-7598 the whole document.

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