Zhaoxi Shen

Area of research

Electrical and Electronic Engineering · Electronic, Optical and Magnetic Materials

Research interest

Research topics from publications: Exhaustive Conversion of Inorganic Nitrogen to Nitrogen Gas Based on a Photoelectro-Chlorine Cycle Reaction and a Highly Selective Nitrogen Gas Generation Cathode; Total organic carbon and total nitrogen removal and simultaneous electricity generation for nitrogen-containing wastewater based on the catalytic reactions of hydroxyl and chlorine radicals; Exhaustive denitrification via chlorine oxide radical reactions for urea based on a novel photoelectrochemical cell; Highly efficient total nitrogen and simultaneous total organic carbon removal for urine based on the photoelectrochemical cycle reaction of chlorine and hydroxyl radicals; Efficient TN removal and simultaneous TOC conversion for highly toxic organic amines based on a photoelectrochemical-chlorine radicals process. Representative work: A novel method for the exhaustive conversion of inorganic nitrogen to nitrogen gas is proposed in this paper. The key properties of the system design included an exhaustive photoelectrochemical cycle reaction in the presence of Cl–, in which Cl· generated from oxidation of Cl– by photoholes selectively converted NH4+ to nitrogen gas and some NO3– or NO2–. The NO3– or NO2– was finally reduced to nitrogen gas on a highly selective Pd–Cu-modified Ni foam (Pd–Cu/NF) cathode to achieve exhaustive conversion of inorganic nitrogen to nitrogen gas. The results indicated total nitrogen removal efficiencies of 30 mg L–1 inorganic nitrogen (NO3–, NH4+, NO3–/NH4+ = 1:1 and NO2–/NO3–/NH4+ = 1:1:1) in 90

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