Journal ArticleDOI
Heterogeneous catalytic ozonation and peroxone-mediated removal of Acetaminophen using natural and modified hematite-rich soil, as efficient and environmentally friendly catalysts
TLDR
Hormuz Red Soil (HRS) as a naturally hematite-containing mineral was used to enhance the catalytic ozonation process (COP) of Acetaminophen (ACT) elimination as discussed by the authors.Abstract:
Hormuz Red Soil (HRS), as a naturally hematite-containing mineral was used to enhance the catalytic ozonation process (COP) of Acetaminophen (ACT) elimination. The surface properties and particle size of HRS mainly composed of ɑ-Fe2O3 were modified via calcination (C-HRS) demonstrating notable catalytic activity. The catalytic activity of C-HRS was evaluated for the ozonation of ACT under various conditions. Complete degradation of 50 mg L−1 ACT was obtained within 10 min at natural conditions with 1.0 g L−1 of C-HRS which was > 10 times faster than single ozonation process (SOP). The C-HRS accelerated the decomposition of ozone to hydroxyl radical on the catalyst’s surface. Moreover, the C-HRS efficiently catalyzed the peroxone reaction for the degradation and mineralization of ACT. The C-HRS exhibited high stability and reusability in consecutive catalytic cycles. This work offers a new, effective, and low-cost catalyst for accelerating of ozone decomposition that can be used in oxidation of pollutants.read more
Citations
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Comparative study of ozonation and ozonation catalyzed by Fe-loaded biochar as catalyst to remove methylene blue from aqueous solution.
Muhammad Babar,Hafiz Muhammad Shahzad Munir,Aamna Nawaz,Naveed Ramzan,Umair Azhar,Muhammad Sagir,Muhammad Suleman Tahir,Amir Ikhlaq,Nuurul Huda Mohamad Azmin,Muhammad Mubashir,Kuan Shiong Khoo,Kit Wayne Chew +11 more
TL;DR: In this article , a promising Fe/BC was prepared by impregnating iron on biochar surface to remove methylene blue from aqueous solution via heterogeneous catalytic ozonation process (HCOP).
Journal ArticleDOI
Deriving an ɑ-Fe2O3/g-C3N4 nanocomposite from a naturally hematite-rich soil, for dual photocatalytic and photo-Fenton degradation of Acetaminophen under visible light
TL;DR: In this article , a facile synthesis route was reported for the fabrication of an ǫ-Fe2O3@g-C3N4 (FeCN) photocatalyst, derived from a hematite-rich soil.
Journal ArticleDOI
Constructing a carbon sphere-embedded Fe0 for accelerating electro-peroxone oxidation effectively: The dual catalytic role with O3 and H2O2
TL;DR: In this paper , a Fe0 embedded in carbon sphere (Fe0@CS) was synthesized to fulfill the efficient treatment of various pollutants, and the degradation and mineralization of 100 mg/L phenol were 100% with k (0.20 min−1) at 15 min and 72.1% at 60 min with iron dissolution.
Journal ArticleDOI
Removal of Paracetamol from Aqueous Solutions by Photocatalytic Ozonation over TiO2-MexOy Thin Films
Sorin Marius Avramescu,Irina Fierascu,Radu Claudiu Fierascu,Roxana Ioana Brazdis,Angel Nica,Claudia Butean,Elena A. Olaru,Sorin Claudiu Ulinici,Marian Verziu,Anca Dumitru +9 more
TL;DR: In this paper , the authors report the catalytic performances of nanosystems TiO2-MexOy (Me = Ce, Sn) prepared by the sol-gel method and deposited onto glass slides by a dip-coating approach in the removal of paracetamol from aqueous solutions by catalytic ozonation.
Journal ArticleDOI
A comprehensive review on metal based active sites and their interaction with O3 during heterogeneous catalytic ozonation process: Types, regulation and authentication.
TL;DR: In this paper , a review of metal-based catalysts and their key roles in activating heterogeneous catalytic ozonation (HCO) was explored. But, the authors did not consider the effect of metal catalysts on interfacial electron migration.
References
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Journal ArticleDOI
Catalytic ozonation and methods of enhancing molecular ozone reactions in water treatment
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Journal ArticleDOI
Synthesis and size-selective catalysis by supported gold nanoparticles: Study on heterogeneous and homogeneous catalytic process
Sudipa Panigrahi,Soumen Basu,Snigdhamayee Praharaj,Surojit Pande,Subhra Jana,Anjali Pal,Sujit Kumar Ghosh,Tarasankar Pal +7 more
TL;DR: In this article, a core-shell nanocomposites (R−Au) bearing well-defined gold nanoparticles as surface atoms of variable sizes (8−55 nm) have been synthesized exploiting polystyrene-based commercial anion exchangers.
Journal ArticleDOI
Catalytic ozonation for water and wastewater treatment: Recent advances and perspective.
Jianlong Wang,Hai Chen +1 more
TL;DR: Several key aspects of catalytic ozonation, such as pH effect, the catalyst performance, the catalytic mechanism were proposed, to which more attention should be paid in future study.
Journal ArticleDOI
Radical induced degradation of acetaminophen with Fe3O4 magnetic nanoparticles as heterogeneous activator of peroxymonosulfate.
TL;DR: It appeared that Fe(2+)Fe(3+) on the catalyst surface was responsible for the radical generation, and Fe3O4 MNPs activated PMS is a promising technology for water pollution caused by contaminants such as pharmaceuticals.