Comparison of TiO2 and ZnO for Heterogeneous Photocatalytic Activation of the Peroxydisulfate Ion in Trimethoprim Degradation

Article Engineering, Environmental

Global trend of antimicrobial resistance in common bacterial pathogens in response to antibiotic consumption

Jie Hou et al.

Summary: There is an association between antibiotic consumption and antibiotic resistance globally, with low- and middle-income countries being major hotspots for resistance.

JOURNAL OF HAZARDOUS MATERIALS (2023)

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Article Chemistry, Physical

Application of BiOX Photocatalyst to Activate Peroxydisulfate Ion-Investigation of a Combined Process for the Removal of Organic Pollutants from Water

Tuende Alapi et al.

Summary: Persulfate-based advanced oxidation processes using BiOX photocatalysts have been investigated for the removal of organic pollutants under UV and visible light radiation. BiOI showed higher efficiency in PDS activation compared to BiOBr and BiOCl, and all BiOX catalysts exhibited enhanced activity for 1,4-hydroquinone transformation. The transformation of sulfamethoxypyridazine was driven by direct charge transfer, with a less pronounced effect of PDS. BiOI demonstrated efficient degradation of various organic substances under visible light radiation, and its efficiency was further enhanced by PDS addition.

CATALYSTS (2023)

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Review Engineering, Environmental

Heterogeneous photocatalyst-driven persulfate activation process under visible light irradiation: From basic catalyst design principles to novel enhancement strategies

Dongqi Tian et al.

Summary: This article provides a comprehensive review of light-driven persulfate-based advanced oxidation processes using heterogeneous catalysts for water remediation, focusing on strategies for improvement including photocatalyst design, photoelectron coupling, and indirect activation. The review highlights advancements in persulfate photo-activation for organic contaminant removal and discusses major challenges and opportunities in the field.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Impact of Reaction Parameters and Water Matrices on the Removal of Organic Pollutants by TiO2/LED and ZnO/LED Heterogeneous Photocatalysis Using 365 and 398 nm Radiation

Mate Nafradi et al.

Summary: This study compares the application of high-power LED365nm and commercial, low-price LED398nm for heterogeneous photocatalysis with TiO2 and ZnO photocatalysts. The effects of light intensity, photon energy, quantum yield, electrical energy consumption, and matrices and inorganic components on radical formation were investigated. The results show that LED398nm has slower COU conversion rate compared to LED365nm, but significantly higher r(0)(7-HC)/r(0)(COU) ratio. The impact of matrices and inorganic components on the photocatalytic reaction differs for ZnO and TiO2.

NANOMATERIALS (2022)

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Article Engineering, Electrical & Electronic

Enhanced heterogeneous photocatalytic perozone degradation of amoxicillin by ZnO modified TiO2 nanocomposites under visible light irradiation

Thanh Diem Ngo Thi et al.

Summary: This study investigated the enhanced photocatalytic activities of ZnO-TiO2 nanocomposite for the removal of antibiotic residue from water. The optimal composite ratio of ZnO nanoparticles and TiO2 was found to be 10%, and this catalyst effectively improved the degradation of the antibiotic. The study also found that the ZnO-TiO2 nanocomposite had high stability and could be reused multiple times.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Article Biotechnology & Applied Microbiology

Comparison of hydroxyl-radical-based advanced oxidation processes with sulfate radical-based advanced oxidation processes

Jaimy Scaria et al.

Summary: The sulfate-radical-based advanced oxidation process (SRAOP) has gained significant attention as a potential replacement for hydroxyl-radical-based advanced oxidation process (HR-AOP) in recent years. While SRAOP has the advantage of overcoming limitations associated with HR-AOP, such as acidic pH requirement and interferences by environmental components, its mineralization efficiency remains a concern.

CURRENT OPINION IN CHEMICAL ENGINEERING (2022)

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Article Environmental Sciences

Nanoarchitecturing TiO2/NiCr2O4 p-n heterojunction photocatalysts for visible-light-induced activation of persulfate to remove tetracycline hydrochloride

Mina Sabri et al.

Summary: TiO2/NiCr2O4 nanocomposites with p-n heterojunctions were synthesized and used with peroxydisulfate to efficiently degrade tetracycline hydrochloride. The properties of the materials were extensively investigated, and a possible degradation mechanism was proposed.

CHEMOSPHERE (2022)

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Review Microbiology

Wastewater surveillance of antibiotic-resistant bacterial pathogens: A systematic review

Ananda Tiwari et al.

Summary: Infectious diseases caused by antibiotic-resistant bacteria pose a serious threat to human and animal health. Active surveillance of antibiotic-resistant bacteria using a comprehensive one-health approach can help reduce their emergence and spread, reduce associated economic impacts, and guide antimicrobial stewardship programs. Wastewater surveillance of antibiotic-resistant bacteria provides composite samples for monitoring the total population, making it a promising tool for monitoring these pathogens. However, the clinical utility, sensitivity, and uniformity of wastewater surveillance of antibiotic-resistant bacteria remains poorly understood, especially in relation to clinical evidence in communities.

FRONTIERS IN MICROBIOLOGY (2022)

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Review Engineering, Environmental

Application of persulfate-based oxidation processes to address diverse sustainability challenges: A critical review

Dagang Lin et al.

Summary: This review summarizes the various applications of persulfate (PS) in addition to pollutant decontamination, including solid waste treatment and regeneration of ecomaterials. The possible reaction mechanisms are elaborated, and the differences between PS treatment and conventional technologies are highlighted. The challenges, research needs, and future prospects are discussed to promote the development of PS-based oxidation processes in niche environmental fields.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Biochemistry & Molecular Biology

Enhanced Degradation of Antibiotic by Peroxydisulfate Catalysis with CuO@CNT: Simultaneous 1O2 Oxidation and Electron-Transfer Regime

Jia Liu et al.

Summary: CuO@CNT was synthesized and used as a catalyst for PDS oxidation system, achieving a removal efficiency of 90.6% for sulfamethoxazole. The study revealed the selective oxidation nature of the system and explored the specific reaction mechanism.

MOLECULES (2022)

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Review Engineering, Environmental

Heterogeneous Photocatalytic Activation of Persulfate for the Removal of Organic Contaminants in Water: A Critical Review

Shaoxiong He et al.

Summary: This review comprehensively discusses the fundamental understanding and rational design of heterogeneous photocatalytic persulfate-based advanced oxidation processes (AOPs). The review addresses the challenges and improvement strategies of these processes, and provides an overview of different types of heterogeneous photocatalytic persulfate-based AOPs. The review concludes by discussing the engineering implications and prospects for developing efficient and environmentally friendly AOPs for water treatment.

ACS ES&T ENGINEERING (2022)

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Article Chemistry, Physical

Crystal phase-dependent generation of mobile OH radicals on TiO2: Revisiting the photocatalytic oxidation mechanism of anatase and rutile

Ji Young Hwang et al.

Summary: The generation of mobile free OH radicals on anatase through a reductive conversion of dissolved O2 is crucial in achieving the mineralization of non-adsorbing substrates, while surface trapped holes lead to the generation of surface-bound OH radicals on both anatase and rutile. Understanding the production pathway of OH radicals in photocatalysis will help optimize their generation for efficient photocatalytic oxidation of pollutants.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Recent advances in persulfate-assisted TiO2-based photocatalysis for wastewater treatment: Performances, mechanism and perspectives

Ming Ge et al.

Summary: The use of persulfate-assisted TiO2 photocatalysis for wastewater treatment is an effective method to enhance the separation of electron/hole pairs and generate sulfate radicals for improved degradation of organic pollutants. Different modifications of TiO2 with carbon materials, transition metal-based catalysts, noble metals, and organic semiconductors have been explored to broaden its absorption spectrum and enhance charge separation, leading to increased efficiency in persulfate activation and pollutant degradation. Overall, the study also highlighted the importance of catalyst reusability and key operational parameters on the process efficiency, as well as proposed potential applications of persulfate-assisted TiO2 photocatalysis in water treatment.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Materials Science, Multidisciplinary

Synergistic effect of pH solution and photocorrosion of ZnO particles on the photocatalytic degradation of Rhodamine B

Anh Thi Le et al.

Summary: This study aimed to investigate the synergistic effect of solution pH and photocorrosion on the photodegradation of Rhodamine B dye by ZnO particles. It was found that ZnO particles exhibited pH-sensitive behavior, with significant changes in morphology under different pH conditions. Despite a reduction in efficiency in acidic solutions, ZnO particles showed remarkable reusability in alkaline conditions.

BULLETIN OF MATERIALS SCIENCE (2021)

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Review Engineering, Environmental

What is the role of light in persulfate-based advanced oxidation for water treatment?

Jingling Yang et al.

Summary: Persulfate-based advanced oxidation processes (PS-based AOPs) have shown promising applications in water treatment, but further research is needed to enhance their efficiency; Recent studies on different photo-activation mechanisms have led to significant advancements in the field of PS-based AOPs for water treatment.

WATER RESEARCH (2021)

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Review Public, Environmental & Occupational Health

Antibiotic resistance in microbes: History, mechanisms, therapeutic strategies and future prospects

Tanvir Mahtab Uddin et al.

Summary: Antibiotics have been a crucial tool in treating bacterial infections for over 70 years, but the rise of multidrug-resistant bacteria has posed a significant challenge, necessitating the discovery of innovative medicinal approaches and antimicrobial therapies. Further research and development in combating antibiotic resistance are vital in addressing the emerging threat of antimicrobial resistance.

JOURNAL OF INFECTION AND PUBLIC HEALTH (2021)

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Review Engineering, Environmental

Remediation of antibiotic wastewater by coupled photocatalytic and persulfate oxidation system: A critical review

Guanyi Chen et al.

Summary: This study provides a comprehensive overview of the PPOH system for antibiotic wastewater treatment, categorizing it into PPA, PAP, and CPPA systems. Through discussing the synergistic effects between photocatalysis and persulfate activation, the performance of the coupled oxidation systems and internal mechanisms for antibiotic degradation are summarized and analyzed, along with proposing conclusions and future prospects for the PPOH systems.

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Review Infectious Diseases

Antibiotic Resistance in Pediatric Infections: Global Emerging Threats, Predicting the Near Future

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Degradation of trimethoprim by sulfate radical-based advanced oxidation processes: kinetics, mechanisms, and effects of natural water matrices

Yiting Luo et al.

Summary: The study found that free radical reactions in UV-activated persulfate systems significantly promoted the degradation of trimethoprim (TMP). Factors such as persulfate concentration, natural organic matter, and chloride ions all influence the degradation rate of TMP. Transition metal ions in industrial wastewater have a synergistic effect on TMP degradation in UV/PS systems.

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Review Engineering, Environmental

Advanced activation of persulfate by polymeric g-C3N4 based photocatalysts for environmental remediation: A review

Vasudha Hasija et al.

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Photocatalytic degradation of trimethoprim using S-TiO2 and Ru/WO3/ZrO2 immobilized on reusable fixed plates

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Comparison of TiO2 and ZnO for Heterogeneous Photocatalytic Activation of the Peroxydisulfate Ion in Trimethoprim Degradation

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