Nanocomposite PVDF/TiO2 Photocatalytic Membranes for Micropollutant Removal in Secondary Effluent (vol 14, 109, 2024)

• Type: Other Publications
• Date: 2024

Authors

Aldana, JC (Author) Other; Pedrosa, M (Author) FEUP; Silva, Adrian (Author) FEUP; Faria, JL (Author) Other; Acero, JL (Author) Other; Alvarez, PM (Author) Other

Other information

Authenticus ID: P-012-N1A

DOI: 10.3390/catal14070411

Abstract (EN): In the original publication [1], the caption of Figure 5 should be changed into the following: Figure 5. FTIR spectra of fresh membranes and PVDF/TiO2 membranes after their use in photocatalytic filtration runs for 24 h. Figure 12 should be replaced with the following: In the fifth paragraph of Section 2.1, the first sentence should be changed into the following: Figure 5 shows the Fourier transform infrared spectrometer (FTIR) data for the air-dried membranes, including the pristine PVDF membrane and PVDF/TiO2 membranes both before and after their use (24 h) in the photocatalytic filtration runs. The sixth paragraph of Section 2.1 should be changed into the following: Regarding membrane stability, no apparent spectral changes were observed upon using the photocatalytic membranes for 24 h, which is in agreement with other studies that have claimed that PVDF/TiO2 membranes exhibit good chemical stability and durability [22,32]. However, other studies have reported that photocatalytic PVDF-based membranes might be degraded from interaction with photogenerated ROS following long-term exposition to UV radiation [49]. In the fourth section (Conclusions), the last two sentences in the first paragraph should be changed into the following: The chemical stability of the prepared PVDF/TiO2 membranes was demonstrated via an FTIR analysis of the samples after use (24 h) in the filtration experiments. Nevertheless, further research is needed to better assess the long-term stability of the PVDF/TiO2 membranes under UV radiation. While the membranes with up to 17.6 wt.% of TiO2 P25 showed good mechanical resistance, the membranes with higher TiO2 content were at risk of mechanical failure in the experimental setup used in this study for the continuous-mode filtration runs. In the sixth paragraph of Section 2.1, reference citation [49] should be added to the last sentence. The newly added reference appear below: Roubaud, E.; Maréchal, W.; Lorain, O.; Lamaa, L.; Peruchon, L.; Brochier, C.; Mendret, J.; Mericq, J.P.; Brosillon, S.; Faur, C.; et al. Understanding Aging Mechanisms in the Context of UV Irradiation of a Low Fouling and Self-Cleaning PVDF-PVP-TiO2 Hollow-Fiber Membrane. Membranes 2022, 12, 538. https://doi.org/10.3390/membranes12050538. With this correction, the order of some references has been adjusted accordingly. The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated. © 2024 by the authors.

Language: English

Type (Professor's evaluation): Scientific