TY - JOUR
T1 - Enhanced catalytic oxidation of naproxen via activation of peroxymonosulfate by Fe-based metal–organic framework aerogels functionalized with Ag nanoparticles
AU - Cha, Byungjun
AU - Yea, Yeonji
AU - Yun, Keunyoung
AU - Kim, Taeyeon
AU - Kim, Hyeonjeong
AU - Yoon, Yeomin
AU - Kim, Sewoon
AU - Park, Chang Min
N1 - Publisher Copyright:
© 2023 Elsevier B.V.
PY - 2023/9/15
Y1 - 2023/9/15
N2 - In this study, Ag3PO4 and Fe-based metal–organic frameworks (MOFs)-functionalized three-dimensional (3D) porous gelatin aerogels (Ag/Fe@GMA) were fabricated and used as adsorbents and catalysts for the activation of peroxymonosulfate (PMS) for naproxen (NPX) removal from water. The morphology, crystallinity, surface functional groups, and surface chemical element compositions of the fabricated Ag/Fe@GMA was evaluated using various analytical techniques. Our results showed that as an adsorbent, Ag/Fe@GMA showed a 18.0 % higher NPX adsorption capacity compared with the pristine aerogels. This can be attributed to the well-embedded Ag3PO4 and MOFs, indicating a stronger interaction between functionalized aerogels and NPX. After adsorption, 99.9 % of total NPX removal was achieved within 15 min by activating PMS and effectively generating •OH and •SO4− in water. The PMS/Ag/Fe@GMA aerogel system also showed high removal performance for rhodamine B (99.5 %) and tetracycline (93.7 %). Moreover, the Ag/Fe@GMA aerogels showed excellent reusability to achieve 95.7 % NPX removal efficiency after six times of recycling. This study revealed that the Ag/Fe@GMA aerogels had good potential for PMS activation and NPX removal. In particular, as an alternative to powdery materials, 3D shape of Ag/Fe@GMA with excellent reusability facilitates its application in the treatment of water contaminated with organic contaminants.
AB - In this study, Ag3PO4 and Fe-based metal–organic frameworks (MOFs)-functionalized three-dimensional (3D) porous gelatin aerogels (Ag/Fe@GMA) were fabricated and used as adsorbents and catalysts for the activation of peroxymonosulfate (PMS) for naproxen (NPX) removal from water. The morphology, crystallinity, surface functional groups, and surface chemical element compositions of the fabricated Ag/Fe@GMA was evaluated using various analytical techniques. Our results showed that as an adsorbent, Ag/Fe@GMA showed a 18.0 % higher NPX adsorption capacity compared with the pristine aerogels. This can be attributed to the well-embedded Ag3PO4 and MOFs, indicating a stronger interaction between functionalized aerogels and NPX. After adsorption, 99.9 % of total NPX removal was achieved within 15 min by activating PMS and effectively generating •OH and •SO4− in water. The PMS/Ag/Fe@GMA aerogel system also showed high removal performance for rhodamine B (99.5 %) and tetracycline (93.7 %). Moreover, the Ag/Fe@GMA aerogels showed excellent reusability to achieve 95.7 % NPX removal efficiency after six times of recycling. This study revealed that the Ag/Fe@GMA aerogels had good potential for PMS activation and NPX removal. In particular, as an alternative to powdery materials, 3D shape of Ag/Fe@GMA with excellent reusability facilitates its application in the treatment of water contaminated with organic contaminants.
KW - AgPO
KW - Gelatin aerogel
KW - Metal–organic frameworks
KW - Naproxen
KW - Peroxymonosulfate
UR - http://www.scopus.com/inward/record.url?scp=85163816794&partnerID=8YFLogxK
U2 - 10.1016/j.jhazmat.2023.131847
DO - 10.1016/j.jhazmat.2023.131847
M3 - Article
C2 - 37352778
AN - SCOPUS:85163816794
SN - 0304-3894
VL - 458
JO - Journal of Hazardous Materials
JF - Journal of Hazardous Materials
M1 - 131847
ER -