Inactivation of antibiotic resistance bacteria & genes using disinfection processes

• Treatment efficiency for inactivation of ARGs during oxidative water treatment processes
• Identify the mode of action and kinetic model of antibiotic resistance genes and bacteria deactivation/inactivation
• Loss of transforming activity of ARG vs gene damages measured by qPCR
• Comparing Inactivation efficiency of intracellular vs. extracellular ARGs
• Application to wastewater treatment plant

Transformation of organic contaminants in oxidative water treatment processes : Structural identification, reaction mechanisms, and assessment of biological activity changes

• Oxidative water treatment processes (ozone, chlorine, ferrate etc)
• Identification and quantification of transformation products using a range of analytical methods including (ultra)high-resolution mass spectrometry
• Elucidation of reaction mechanisms and degradation pathways
• Assessment of biological activities changes (toxicity and biodegradability)

Ferrate(VI) applications for advanced municipal water treatment

• Oxidant/Disinfectant reactive to phenols, olefins, amines non-reactive to bromide
• Coagulant Fe(III)as a final product AsO4, PO4
• Kinetics and mechanisms for the reactions with oxidation kinetics and products of algal-derived taste & odor compounds
• Iodide and HOI : Implications for the fate of iodine and I-DBP control
• Oxidation of amine compounds : kinetics, products, and implications for N-DBP control

Development of gravity-driven membrane(GDM) filtration as a sustainable drinking water treatment technology

Transformation of organic nitrogen moieties in UV/chlorine
process:kinetics and mechanisms and implications for drinking water and industrial wastewater treatment

• Kinetics, products, and mechanisms for UV photolysis of various organic N-CI compounds
• Transformation of organic N moieties and implications for N-DBP formation control in drinking water quality engineering
• UV/chlorine AOP for treating recalcitrant DON-rich wasterwaters

Chemistry and roles of halogen radical species in UV-AOP processes

• Kinetics and mechanisms of formation and reaction of halogen radicals
• Formation of halogenated organic and oxyhalide byproducts
• Process modelling and optimization:UV/chlorine,UV/persulfate,AOPs in saline waters

Formation of toxic byproducts (nitrosamines and bromate) during ozonation of impaired water resources and development of formation control strategies

• Precursor identification and quantification in sewage effluents and impaired source aters
• Formation mechanisms elucidation and mitigation strategy development
• Demonstration of control strategies in laboratory-and pilot-scale studies

Precious metal recovery from e-waste

• Development of adsorbent for selective metal recovery
• Identify the adsorption kinetic and isotherm mode
• Mechanism of adsorption of metal ion to adsorbents
• Scale-up process for metal recovery

Removal of tritium from nulclear waste


• Develoment of materials for removal of tritium from water
• Identify the mechanism of removal of tritium from water
• Application to nuclear power plant