A review on the removal methods of organophosphate insecticide malathion from the environment

Kassiri, H.; Rabbani, Davarkhah; Mohebi, F.; Dehghani, Rouhullah; Takhtfiroozeh, Seyedmahdi

doi:10.5958/0974-4576.2021.00023.2

Cited by 3 publications

(4 citation statements)

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“…Among pesticides, Malathion (MLT) and Lindane (γ-HCH) were consumed at the highest rate and most frequently found in ground-water (Kumar et al, 2018;Sankararamakrishnan et al, 2005). The respective maximum allowed MLT and γ-HCH concentration in water should not exceed 1 mgL -1 and 8 mg L -1 as per the World Health Organization (Li et al, 2020; Rani Because of their global utilization, wide distribution, bioaccumulation, high stability and extreme persistency, it is imperitive to develop a promising technology to degrade or remove these dangerous pesticides (Sankararamakrishnan et al, 2005;Kassiri et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

Yadav

Rani

Zhang

et al. 2023

Environ Sci Pollut Res

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Extensive consumption, toxicity, and bioaccumulation of malathion (MLT) and lindane (γ-HCH) pesticides collectively attract the world's attention. Herein, the nanocomposite of chitosan wrapped NiO@ZnO was synthesized by a green methodology using Azadirachta indica leaves extract. Structural and morphological analysis of chitosan-NiO@ZnO showed hollow sphere-ake shaped image adsorbed on a solid chitosan surface with a large surface area of 73 m 2 g -1 . A decrease in values of lattice strain, dislocation density and crystallite size described the imperfection in crystal geometry and new peaks in FT-IR spectra at 698 cm -1 and 448 cm -1 of Ni-N and Zn-N, respectively con rms the coupling. The chitosan-NiO@ZnO nanocomposite with a reduced band gap due to the generation of new energy levels in the vicinity of of conduction and valence band. Chitosan-NiO@ZnO and individuals nanoparticles (NiO and ZnO) were well-characterized and utilized for degradation MLT and γ-HCH under direct sunlight and dark conditions. The highest degradation of pesticides (above 94%) resulted with 2 mg L -1 and 10 mg L -1 of MLT (π_π) and γ-HCH, respectively with a 20 mg catalyst dose, and pH of ~7 under daylight exposure (5 h). Chitosan-NiO@ZnO substantially suppressed the half-life of the targeted pesticides (MLT: 0.48 h; HCH 0.51 h) and demonstrated the rst-order kinetics with a high adsorption capacity, X m (MLT: 14.5 mg g -1 and γ-HCH 20.7 mg g -1 ), which also con rmed the strong binding with the pesticides, followed by their conversion into safer and smaller metabolites. The charge separation mechanism was elucidated by UV re ectance and photoluminescence data. Hydroxyl radicals were most frequently responsible for the degradation of pesticides as con rmed by scavenger analysis. The synthesized green-nano photocatalyst showed high reusability (up to 10 th cycles), sensitivity, and stability within the degradation process, presumably making it suitable for industrial applications.

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Section: Introductionmentioning

confidence: 99%

Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

Yadav

Rani

Zhang

et al. 2023

Environ Sci Pollut Res

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“…Malathion 1 was analysed using an Agilent 7890B GC combined with a 7000 D triple quadrupole MS (QQQ) operated in MRM mode (Agilent Technologies, Santa Clara, CA). The analysis of pesticide residues was carried out using the pesticide multi-residue QuEChERS (Quick Easy Cheap Effective Rugged and Safe) method as described by accepted methods, BS EN 15662 (E) [35][36][37] used previously [3,8,16,17]. Wu et al [38] used a method similar to QuE-ChERS to assay Chlorpyrifos 1 .…”

Section: Plos Onementioning

confidence: 99%

“…Malathion 1 which is an organophosphorus (OP) pesticide (technically phosphotriesters) is used globally since it has a high efficiency in killing insects, particularly chewing insects [3]. Organophosphate insecticides like Malathion 1 have a common generic structure, with the phosphotriesters group being responsible for its insecticidal properties (Fig 1 ) and it has weak electrolyte chemical properties [4].…”

Section: Introductionmentioning

confidence: 99%

“…Like most organophosphates, Malathion 1 is only slightly soluble in water (145 mg L -1 at 25˚C; [5]) and its weak electrolyte properties make it detectable by conductivity in solution. Malathion 1 has no chlorinated hydrocarbon groups and is more readily biodegradable than chlorinated organophosphates such as Chlorpyrifos 1 [3,[5][6][7][8]. Organophosphate pesticides are potent nerve agents, functioning by inhibiting the action of acetylcholinesterase (AChE) in nerve cells [9,10].…”

Section: Introductionmentioning

confidence: 99%

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Magnetically treated water for removal of surface contamination by Malathion on Chinese Kale (Brassica oleracea L.)

SUDSIRI,

JUMPA,

RITCHIE

2024

PLoS ONE

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Malathion® is a persistent organophosphate pesticide used against biting and chewing insects on vegetables. It is a difficult-to-remove surface contaminant of vegetables and contaminates surface and ground water and soils. Malathion® is only partially water soluble, but use of detergent carriers makes adhering Malathion® residues difficult to subsequently remove. Magnetically treated water (MTW) successfully removed Malathion® from Chinese Kale (Brassica oleracea L.), meeting Maximum Residue Load (MRL) standards. Samples were soaked in MTW for 30 min prior to detection with GC/MS/MS, 98.5±3.02% of Malathion® was removed after washing by MTW. Removal by simple washing was only ≈42±1.2% which was not nearly sufficient to meet MRL criteria.

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Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

Yadav

Rani

Zhang

et al. 2023

Preprint

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Extensive consumption, toxicity, and bioaccumulation of malathion (MLT) and lindane (γ-HCH) pesticides collectively attract the world’s attention. Herein, the nanocomposite of chitosan wrapped NiO@ZnO was synthesized by a green methodology using Azadirachta indica leaves extract. Structural and morphological analysis of chitosan-NiO@ZnO showed hollow sphere-flake shaped image adsorbed on a solid chitosan surface with a large surface area of 73 m2g-1. A decrease in values of lattice strain, dislocation density and crystallite size described the imperfection in crystal geometry and new peaks in FT-IR spectra at 698 cm-1 and 448 cm-1 of Ni-N and Zn-N, respectively confirms the coupling. The chitosan- NiO@ZnO nanocomposite with a reduced band gap due to the generation of new energy levels in the vicinity of of conduction and valence band. Chitosan-NiO@ZnO and individuals nanoparticles (NiO and ZnO) were well-characterized and utilized for degradation MLT and γ- HCH under direct sunlight and dark conditions. The highest degradation of pesticides (above 94%) resulted with 2 mg L-1 and 10 mg L-1 of MLT (π_π) and γ- HCH, respectively with a 20 mg catalyst dose, and pH of ~7 under daylight exposure (5 h). Chitosan-NiO@ZnO substantially suppressed the half-life of the targeted pesticides (MLT: 0.48 h; HCH 0.51 h) and demonstrated the first- order kinetics with a high adsorption capacity, Xm (MLT: 14.5 mg g-1 and γ- HCH 20.7 mg g-1), which also confirmed the strong binding with the pesticides, followed by their conversion into safer and smaller metabolites. The charge separation mechanism was elucidated by UV reflectance and photoluminescence data. Hydroxyl radicals were most frequently responsible for the degradation of pesticides as confirmed by scavenger analysis. The synthesized green-nano photocatalyst showed high reusability (up to 10th cycles), sensitivity, and stability within the degradation process, presumably making it suitable for industrial applications.

show abstract

A review on the removal methods of organophosphate insecticide malathion from the environment

Cited by 3 publications

References 56 publications

Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

Magnetically treated water for removal of surface contamination by Malathion on Chinese Kale (Brassica oleracea L.)

Efficient photo-adsorptive eradication of endocrine disrupting pesticides by chitosan co- decorated metal oxide bio-nanocomposite

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