Enhanced photocatalytic degradation of organic dye by CeO2/CNT/GO hybrid nanocomposites under UV light for wastewater treatment

Chahal, Surjeet; Phor, Lakshita; Kumar, Ashok; Kumar, Suresh; Kumar, Sandeep; Kumar, Ravi; Kumar, Parmod

doi:10.1007/s11356-023-26184-1

Cited by 13 publications

(2 citation statements)

References 57 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition to the scientific findings in developing nanoparticles to degrade organic pollutants [27][28][29][30][31] Therefore, the performance of the synthesized nanocomposite was evaluated in the process of picric acid degradation as an organic pollutant through peroxymonosulfate activation. In comparing this nanocomposite with other nanocomposites [32][33][34][35][36] , we can point out its distinctive features such as easy preparation, short degradation time, structural checking via various analyses, especially XPS and AFM spectrum, high degradation efficiency, excellent performance by few dosages of the nanocomposite in the degradation process, degradation with the easy method without the need to sunlight and radiation, and investigating the removal picric acid as a vital contamination in drug and industries.…”

Section: Resultsmentioning

confidence: 99%

Preparation of MWCNT/CoMn2O4 nanocomposite for effectual degradation of picric acid via peroxymonosulfate activation

Farajollahi,

Poursattar Marjani

2024

Sci Rep

View full text Add to dashboard Cite

In recent years, using nanomaterials based on multi-wall carbon nanotubes (MWCNT) through the activation of peroxymonosulfate (PMS) has attracted more attention to the degradation of organic pollutants. This research presented a new route for the synthesis of MWCNT/CoMn2O4 nanocomposite for the degradation of picric acid using advanced oxidation processes (AOPs). Firstly, CoMn2O4 nanoparticles were prepared and then loaded on MWCNT using ultrasonic waves. The results of various analyzes confirmed the successful loading of nanoparticles on carbon nanotubes. As the degradation process proceeds through oxidation processes, the high electronic conductivity of MWCNT and the active sites of Mn and Co in the nanocomposite play an essential role in activating PMS to generate reactive oxygen species (ROS). An investigation of the reaction mechanism in different conditions showed that the highest speed of picric acid decomposition in the presence of nanocomposite (98%) was in 47 min. However, the scavenger test showed that HO· and SO4·− radicals are more important in the degradation process. Meanwhile, the results showed that removing picric acid using MWCNT/CoMn2O4 was more effective than CoMn2O4 alone and confirmed the interaction effect of MWCNT nanotubes with AB2O4 nanocatalyst.

show abstract

Section: Resultsmentioning

confidence: 99%

Preparation of MWCNT/CoMn2O4 nanocomposite for effectual degradation of picric acid via peroxymonosulfate activation

Farajollahi,

Poursattar Marjani

2024

Sci Rep

View full text Add to dashboard Cite

show abstract

“…These multi-component nanocomposite systems composed of metal oxides, graphene (or its derivatives) and other metal oxides are highly significant as alternatives to extensively studied bi-component systems for the design of high-performance photocatalytic systems. The outstanding electrical and surface plasmon resonance capabilities of these nanomaterials make coupling of metal oxides with graphene and metals advantageous for the enhancement of optoelectronic features (Chahal et al, 2023 ).…”

Section: Photocatalysismentioning

confidence: 99%

A Review on Photocatalysis Used For Wastewater Treatment: Dye Degradation

Kumari

Sonia

Suman

et al. 2023

Water Air Soil Pollut

Self Cite

202

View full text Add to dashboard Cite

Water pollution is a global issue as a consequence of rapid industrialization and urbanization. Organic compounds which are generated from various industries produce problematic pollutants in water. Recently, metal oxide (TiO 2 , SnO 2 , CeO 2 , ZrO 2 , WO 3 , and ZnO)-based semiconductors have been explored as excellent photocatalysts in order to degrade organic pollutants in wastewater. However, their photocatalytic performance is limited due to their high band gap (UV range) and recombination time of photogenerated electron–hole pairs. Strategies for improving the performance of these metal oxides in the fields of photocatalysis are discussed. To improve their photocatalytic activity, researchers have investigated the concept of doping, formation of nanocomposites and core–shell nanostructures of metal oxides. Rare-earth doped metal oxides have the advantage of interacting with functional groups quickly because of the 4f empty orbitals. More precisely, in this review, in-depth procedures for synthesizing rare earth doped metal oxides and nonocomposites, their efficiency towards organic pollutants degradation and sources have been discussed. The major goal of this review article is to propose high-performing, cost-effective combined tactics with prospective benefits for future industrial applications solutions.

show abstract

Carbon-based nanomaterials: systematic enumeration and proficient template for detection and remediation of hazardous pollutants

Kataria,

Garg,

Kumar

et al. 2023

Environ Sci Pollut Res

View full text Add to dashboard Cite

Enhanced photocatalytic degradation of organic dye by CeO2/CNT/GO hybrid nanocomposites under UV light for wastewater treatment

Cited by 13 publications

References 57 publications

Preparation of MWCNT/CoMn2O4 nanocomposite for effectual degradation of picric acid via peroxymonosulfate activation

Preparation of MWCNT/CoMn2O4 nanocomposite for effectual degradation of picric acid via peroxymonosulfate activation

A Review on Photocatalysis Used For Wastewater Treatment: Dye Degradation

Carbon-based nanomaterials: systematic enumeration and proficient template for detection and remediation of hazardous pollutants

Contact Info

Product

Resources

About