“…Among the biological processes, it is possible to enumerate the following as examples: activated sludge [ 130 ], microalgae treatment [ 131 ], biofiltration [ 132 ], and constructed wetlands [ 133 ]. Photoreaction can also be used to eliminate some pharmaceuticals, as reviewed by Abd Rahman, Choong [ 134 ], as well as filtration/adsorption processes [ 135 , 136 ] and advanced oxidation processes [ 137 ]. In this review, these strategies will not be discussed in detail since it is possible to find a vast number of recent review articles describing different strategies to remove pharmaceuticals and ECs in general [ 131 , 132 , 133 , 134 , 135 , 136 , 137 ].…”