Patent ID: 11888200
Assignee: UNIVERSITY OF SOUTHERN CALIFORNIA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 8:
9. A plant-sediment microbial fuel cell comprising:
a single chamber reactor having:
a bottom surface and one or more walls defining a cavity,
a bottom opening near a bottom end of the reactor, and
a top opening near a top end of the reactor, wastewater entering the single-chamber reactor from the bottom opening and exiting the single-chamber reactor as treated water from the top opening;

a first layer of gravel disposed on the bottom surface of the single chamber reactor;
a first layer of sediment disposed on top of the first layer of gravel and containing microorganisms for treating the wastewater;
a first layer of granular activated carbon or granular activated carbon with graphene oxide or sand with graphene oxide disposed on top of the first layer of sediment for enhancing electron transfer, current generation rate, and wastewater treatment;
one or more anodes located on top of the first layer of granular activated carbon or granular activated carbon with graphene oxide or sand with graphene oxide;
a second layer of gravel disposed on top of the one or more anodes;
a second layer of sediment disposed on top of the second layer of gravel and containing microorganisms for treating the wastewater;
a second layer of granular activated carbon or granular activated carbon with graphene oxide or sand with graphene oxide disposed on top of the second layer of sediment for enhancing electron transfer, current generation rate, and wastewater treatment; and
one or more cathodes located on top of the second layer of granular activated carbon or granular activated carbon with graphene oxide or sand with graphene oxide, the one or more anodes and the one or more cathodes configured to generate electrical voltage.