Application of (V)UV/O3 technology for post-treatment of biologically treated wastewater: A pilot-scale study

Remediation of Surfactants Used by VUV/O3 Techniques: Degradation Efficiency, Pathway and Toxicological Analysis

“…According to DFT calculation in Tables S1-S3, 1(S) is most susceptible to attack by radicals to produce SO 4 2− , and their presence implies that advanced oxidation was effective to cleavage the S-O bond. Higher energy photons enhanced the activated efficiency of O 3 and led to the acceleration of the required electron transfer, which may account for the increased rate of SO 4 2− production [32]. Overall, this may imply the oxidation capacities of VUV alone and O 3 alone were enhanced by the coupling.…”

Multilayered solid phase extraction and ultra performance liquid chromatographic method for suspect screening of halogenated pharmaceuticals and photo-transformation products in freshwater - comparison between data-dependent and data-independent acquisition mass spectrometry

“…Regarding STG, WWTPs are also unable to provide a satisfactory degradation [58], yielding this PhAC to the environment in their effluents, as well as some TPs [55,59]. Oxidative [58,60] and reductive [61] physicochemical treatments, solely or in combination with biological processes, are promising options for improving its degradation. SGT concentration found in Llobregat River is within the range evidenced in the literature for impacted surface waters (35 -5,090 ng L -1 ) [62][63][64].…”

A novel approach to interpret quasi-collimated beam results to support design and scale-up of vacuum UV based AOPs

“…Most of the laboratory-scale configurations, like quasi -collimated beam apparatus ( q CB) ( Baeza and Knappe, 2011 ; Duca et al., 2017 ; Fang et al., 2014 ; Feng et al., 2007 ), annular reactors ( Ngouyap Mouamfon et al., 2011 ; Zhan et al., 2021 ; Zoschke et al., 2012 ) and micro-fluidic vacuum UV reactors ( Yang et al., 2018 ) employed in VUV research have small mean reactor pathlengths that favorably uses VUV over UV. Despite extensive research published using laboratory-scale VUV reactors, there are scarce applications of VUV reported at pilot-scale ( Krakko et al., 2021 ). Absence of a standard methodology to accurately represent the experimental q CB data and inform scale-up of VUV AOP stalls practical applications of this potentially chemical-free AOP.…”