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Bioelectrochemical Technology for renewable H2 production
: We are investigating materials and system-level strategies to expand the applications of microbial electrolysis cells (MECs) and improve their performance.
Energy from wastewater
Main advantages
High H2 yields (12 mol H2/mol glucose)
Lower energy consumption vs water electrolysis (50 kWh/kg H2)
Feedstocks : low-strength WW (ex. Domestic wastewater) to high-strength WW
Electrochemical system for recovering resources from wastewater
We valorize saline wastewaters by producing renewable energy from salinity gradients (e.g., RED) while also regenerating acids and bases and recovering valuable resources using bipolar membrane (BPM)-based electro-membrane processes.
Our goal is to reduce the treatment burden of waste brines and enable circular recovery and reuse of process chemicals and resources.
Bioelectrochemical Technology for generating hydrogen peroxide from wastewater
We produced H₂O₂ electrochemically at the cathode of a bioelectrochemical system and directly applied it for on-site regeneration of spent nutrient solutions. In addition, we synthesized sustainable chemicals via microbial electrosynthesis under low-energy conditions and improved production and process performance through catalyst modification/engineering.
Electrochemical Technology for CO2 mineralization using seawater and simultaneous H2 production
We investigated CO₂ mineralization (carbonate sequestration) in an electrochemical cathodic reactor using seawater as catholyte, deriving optimal operating conditions (e.g., current density, applied voltage, and pH).
We also improved overall energy efficiency by capturing and utilizing the generated hydrogen gas for energy recovery.
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