CHEMICAL AND ELECTROCHEMICAL TECHNOLOGY AND INNOVATION LABORATORY
Texas Tech University
Department of Chemical Engineering
Electrochemical Innovation for Process Intensification
NITROGEN
RECOVERY
Electrothermal Distillation of Ammonium
OVERVIEW
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Electrothermal distillation (Joule-Heating) volatilizes the N-NH - ion from the liquid, converting it into a gas phase
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Applying an electric field generates localized Joule heating at the surface, which enhances ammonia volatilization and drives it to the air side
4
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Sludge Electrolysis Fundamentals
OVERVIEW
Nickel Behavior is studied to understand the kinetics of 〖Ni(OH)〗_2 -NiOOH redox transition, which is essential for optimizing the electrochemical system aimed at sustainable nutrient recovery from biosolids.
Phosphorus Recovery as Calcium
Phosphate from Electrolyzed Sludge
OVERVIEW
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Optimization of parameters such as reaction time and calcium-to-phosphorus (Ca/P) molar ratio to maximize phosphorus recovery from the electrolyzed sludge supernatant
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Characterization of the recovered calcium phosphate solid (precipitate) to evaluate its potential as a slow-release phosphorus fertilizer
Volatile Fatty Acids Production Optimization
OVERVIEW
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Volatile fatty acids (VFAs) are produced by the electrolysis of biosolids in alkaline media
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After electrolysis, the supernatant’s is treated to allow the carboxylic acids to be in their free form for characterization