Highly efficient photocatalytic degradation of chlorpyrifos in aqueous solutions by nano hydroxyapatite modified CFGO/ZnO nanorod composite

Anirudhan, T.S.; Shainy, F.; Sekhar, V. Chithra; Athira, V.S.

doi:10.1016/j.jphotochem.2021.113333

Cited by 27 publications

(3 citation statements)

References 51 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Depending on the structure of both pesticide and the nano-photocatalyst, the pH can affect the reaction behavior between them. The reaction will be favorable in the pH that allows for the attraction of the photocatalyst and the pesticide, as well as the accelerated production of hydroxyl radicals [302]. The effect of irradiation time is directly proportional to the efficiency of degradation.…”

Section: Removal Of Pesticides Using Functionalized Metal Oxide Nanom...mentioning

confidence: 99%

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

et al. 2023

View full text Add to dashboard Cite

For applications involving water cleanup, metal oxide nanoparticles are exceptionally successful. They are useful for the adsorption and photocatalytic destruction of organic pollutants due to their distinctive qualities, which include their wide surface/volume area, high number of active sites, porous structure, stability, recovery, and low toxicity. Metal oxide nanomaterials have drawn a lot of attention from researchers in the past ten years because of their various production pathways, simplicity in surface modification, abundance, and inexpensive cost. A wide range of metal oxides, such as iron oxides, MgO, TiO2, ZnO, WO3, CuO, Cu2O, metal oxides composites, and graphene–metal oxides composites, with variable structural, crystalline, and morphological features, are reviewed, emphasizing the recent development, challenges, and opportunities for adsorptive removal and photocatalytic degradation of organic pollutants such as dyes, pesticides, phenolic compounds, and so on. In-depth study of the photocatalytic mechanism of metal oxides, their composites, and photocatalytically important characteristics is also covered in this paper. Metal oxides are particularly effective photocatalysts for the degradation of organic pollutants due to their high photodegradation efficiency, economically sound methods for producing photo-catalytic materials, and precise band-gap engineering. Due to their detrimental effects on human health, pesticides—one of the highly hazardous organic pollutants—play a significant part in environmental contamination. Depending on where they come from and who they are targeting, they are categorized in various ways. Researchers focusing on metal oxides and their composites for the adsorptive and photocatalytic degradation of pesticides would find the review to be a beneficial resource. Detailed information on many pesticides, difficulties associated with pesticides, environmental concentration, and the necessity of degradation has been presented.

show abstract

Section: Removal Of Pesticides Using Functionalized Metal Oxide Nanom...mentioning

confidence: 99%

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

et al. 2023

View full text Add to dashboard Cite

show abstract

“…Removal of chlorpyrifos pesticide from aqueous solution was investigated upon nano hydroxide apatite fabricated carboxyl functionalized graphene oxide (GO)/zinc oxide (ZnO) nanorod (nHAP@CFGO/ZnR) nanocatalyst. The analysis revealed maximum photo removal capacity at a pH value of 3.5 following first-order kinetics, where CFGO assisted in faster pesticide degradation than GO [122].To effectively decompose imidacloprid, a toxic pesticide, Soltani-nezhad and his co-workers [123] prepared TiO2-NiO magnetic photocatalyst supported on graphene oxide nanosheets, which was proved to be beneficial to remove 5 ppm of imidacloprid pesticide at pH = 9 under visible light radiation. Mirmasoomi et al [124] synthesized TiO2/Fe2O3 nanocomposite for the removal of diazinon, where doping of Fe2O3 on the surface of TiO2 helped reach the photo absorption span not only to the visible light region but also to UV light region.…”

Section: Pesticidesmentioning

confidence: 99%

Recent Development of Photocatalytic Application Towards Wastewater Treatment

Datta¹,

Roy²

2023

Catal Res

View full text Add to dashboard Cite

With increasing population levels and rapidly growing industries worldwide, the purification of water contaminated with different impurities is one of the biggest challenges we face in recent times. Photocatalysis holds great potential as an efficient mineralization process to remove the foreign matter present in wastewater. Rapid advancement in innovative materials development has made photocatalysis the frontrunner among different water treatment methods. Our main priority lies in different strategic approaches to improve photocatalytic performance. This review discusses the recent breakthrough in implementing the photocatalytic mechanism for successful wastewater treatment. Challenges and future prospects in this technological field have also been discussed.

show abstract

“…These charge carriers then produce the active radical species which are used to degrade the organic pollutants. [5] Different materials have been exploited as catalysts for the photo-degradation of organic pollutants including Cu-ZnO heterostructures, [6] Fe/ZnO composite, [7] Cu and Al oxide nanoparticles, [8] nano-hydroxyapatite modified CFGO/ZnO nanorod composites, [9] Zr 2 V 2 O 7 coated graphene oxide composite, [10] α-Bi 2 O 3 nanoparticles, [4] Fe 3 O 4 /CdS-ZnS nanocomposite [11] , ZnO and TiO 2 nanorods [12] and TiO 2 [3] etc. Cobalt aluminum layered double hydroxides, graphitic carbon nitride, Schiff base coordinated with ZnS [13] and cobalt ferrite are also reported for the removal of CP from waters.…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic Removal of the Endocrine Disruptor Chlorpyrifos using a ZnO.MoO₃ Composite Supported on Al₂O₃

Attaria,

Rashid Tariq,

Abbas Chotana

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

Chlorpyrifos is an endocrine disruptor pesticide that induces breast cancer cell proliferation through Estrogen receptor alpha pathway in humans. It also has toxic effects on some beneficial insects like bees, wasps, and arthropods, even low levels of CP can kill fish in water. Thus, it is important to efficiently remove this compound from wastewaters to get rid of its hazardous effects. Al2O3 supported ZnO.MoO3 composite was prepared as an efficient material for photo‐degradation of chlorpyrifos under UV irradiation and characterized by SEM‐EDX, XRD and TG techniques. The XRD analysis showed the orthorhombic structures with band gap of 2.86 eV for ZnO.MoO3/Al2O3 which was 2.96 eV for MoO3/Al2O3. The kinetics of degradation depicted that ZnO.MoO3/Al2O3 afforded a complete degradation of chlorpyrifos with half life of only 3 minutes which otherwise was 24 minutes in the presence of MoO3/Al2O3. The complete mineralization of chlorpyrifos was confirmed by GC/MS analysis, where no peaks of intermediates were recorded. The prepared material also exhibited good recyclability without any leaching of Zn and Mo metals. Thus, ZnO.MoO3/Al2O3 is an efficient and cost effective material for removal of chlorpyrifos. Its potential may also be explored for the removal of other hazardous organic pollutants.

show abstract

Highly efficient photocatalytic degradation of chlorpyrifos in aqueous solutions by nano hydroxyapatite modified CFGO/ZnO nanorod composite

Cited by 27 publications

References 51 publications

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

Recent Development of Photocatalytic Application Towards Wastewater Treatment

Photocatalytic Removal of the Endocrine Disruptor Chlorpyrifos using a ZnO.MoO₃ Composite Supported on Al₂O₃

Contact Info

Product

Resources

About

Highly efficient photocatalytic degradation of chlorpyrifos in aqueous solutions by nano hydroxyapatite modified CFGO/ZnO nanorod composite

Cited by 27 publications

References 51 publications

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

Photocatalytic Degradation and Adsorptive Removal of Emerging Organic Pesticides Using Metal Oxide and Their Composites: Recent Trends and Future Perspectives

Recent Development of Photocatalytic Application Towards Wastewater Treatment

Photocatalytic Removal of the Endocrine Disruptor Chlorpyrifos using a ZnO.MoO3 Composite Supported on Al2O3

Contact Info

Product

Resources

About

Photocatalytic Removal of the Endocrine Disruptor Chlorpyrifos using a ZnO.MoO₃ Composite Supported on Al₂O₃