Removing PPCPs via Advanced Oxidation

A popular water treatment method to disinfect water for potable purposes is ultraviolet (UV) treatment. Similarly, UV is used to disinfect wastewater effluent that has undergone biological treatment and sand filtration processes for reclaimed water applications where there is potential direct contact. PPCP removal is also possible with UV [74 (link)]. In photolysis, UV breaks the chemical bonds of PPCP constituents and removes them. However, some constituents, such as carbamazepine, are not significantly affected by UV photolysis and are not effectively removed [6 (link),75 (link)]. To better treat PPCPs, in the advanced oxidation process (AOP), hydrogen peroxide is coupled with UV (Table S6). This process has proven to be effective in removing PPCPs [76 (link)].

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Loganathan P., Vigneswaran S., Kandasamy J., Cuprys A.K., Maletskyi Z, & Ratnaweera H. (2023). Treatment Trends and Combined Methods in Removing Pharmaceuticals and Personal Care Products from Wastewater—A Review. Membranes, 13(2), 158.

Publication 2023

Biological Carbamazepine Filtration Hydrogen peroxide Photolysis Water treatment method

Corresponding Organization : Norwegian University of Life Sciences

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Variable analysis

independent variables

Use of ultraviolet (UV) treatment
Use of hydrogen peroxide coupled with UV (advanced oxidation process, AOP)

dependent variables

Disinfection of water for potable purposes
Disinfection of wastewater effluent
Removal of pharmaceutical and personal care products (PPCPs)

control variables

Biological treatment and sand filtration processes for wastewater effluent

controls

Positive control: UV treatment has been shown to be effective in removing PPCPs.
Negative control: Carbamazepine is not significantly affected by UV photolysis and is not effectively removed.

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