A state-of-the-art review on green nanofluids for transformer insulation

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: 396, P. 124023 - 124023

Published: Jan. 13, 2024

The utilization of nanotechnology to enhance the properties liquids has been underway for several decades. systematic incorporation nanoparticles into base demonstrated its effectiveness in improving thermoelectrical insulating liquids. Vegetable-based have emerged as potential alternatives mineral-insulating oil due environmental concerns associated with latter, despite their excellent electrical properties. Despite friendliness and health safety attributes vegetable-based liquids, there are yet some limitations like low ionization resistance, high dielectric losses, volume resistivity, poor oxidation stability. These currently being addressed using different by addition an appropriate concentration Though is development synthesis nanofluids transformer insulation, no nanoparticle declared one ultimate performance. This review presents a comprehensive examination recent findings literature concerning use focusing specifically on challenge long-term addresses various aspects including characterization nanoparticles, types employed enhancing methods preparing nanofluids, strategies nanofluid stability, impact existing challenges nanofluids. report investigates these topics extensively, presenting thorough analysis subject matter. It aims provide valuable insights researchers this field encourage exploration sustainable environmentally friendly suitable green transformers.

Language: Английский

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A comprehensive review of nanomaterials for efficient heavy metal ions removal in water treatment

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 64, P. 105566 - 105566

Published: June 7, 2024

Language: Английский

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Advancing Dye Degradation: Integrating Microbial Metabolism, Photocatalysis, and Nanotechnology for Eco-Friendly Solutions

Bacteria, Journal Year: 2025, Volume and Issue: 4(1), P. 15 - 15

Published: March 7, 2025

Textile dyes pose a major environmental threat due to their toxicity, persistence in water bodies, and resistance conventional wastewater treatment. To address this, researchers have explored biological physicochemical degradation methods, focusing on microbial, photolytic, nanoparticle-mediated approaches, among others. Microbial depends fungi, bacteria, yeasts, algae, utilizing enzymatic pathways involving oxidoreductases like laccases, peroxidases, azoreductases breakdown or modify complex dye molecules. Photolytic employs hydroxyl radical generation electron-hole pair formation, while utilizes titanium dioxide (TiO2), zinc oxide (ZnO), silver (Ag) nanoparticles enhance removal. improve efficiency, microbial consortia been developed decolorization mineralization, offering cost-effective eco-friendly alternative methods. Photocatalytic degradation, particularly using TiO2, harnesses light energy for breakdown. Research advancements focus shifting TiO2 activation from UV visible through doping composite materials, optimizing surface area mesoporosity better adsorption. Nanoparticle-mediated approaches benefit high rapid adsorption, with ongoing improvements synthesis, functionalization, reusability, magnetic nanoparticle integration. These emerging technologies provide sustainable solutions degradation. The primary aim of this review is comprehensively evaluate synthesize current research the azo photolytic processes, nanotechnology-based approaches. also provides detailed information salient mechanistic aspects these efficiencies, advantages, challenges, potential applications industrial contexts.

Language: Английский

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Black anatase-TiO2 electrodes for sun-activated photocatalytic degradation of organic water contaminants

Surfaces and Interfaces, Journal Year: 2025, Volume and Issue: unknown, P. 105849 - 105849

Published: Jan. 1, 2025

Language: Английский

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Recent advances in TiO2-based materials for photocatalytic degradation of antibiotics in aqueous systems

Environmental Technology & Innovation, Journal Year: 2021, Volume and Issue: 24, P. 101822 - 101822

Published: July 28, 2021

Language: Английский

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Visible-Light-Driven g-C₃N₄/TiO₂ Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review

Air Soil and Water Research, Journal Year: 2022, Volume and Issue: 15, P. 117862212211172 - 117862212211172

Published: Jan. 1, 2022

Water pollution by organic contaminants is one of the most severe issues confronting world today as a result rapid increase industrialization, urbanization, human population growth, and advances in agricultural technologies. Several attempts have been made to address global water utilizing conventional wastewater treatment However, methods several limitations such low efficiency, high operation costs, generation secondary waste, require additional chemicals oxidants extra energy. Therefore, Heterogeneous photocatalysis has gained lot attention degradation persistent pollutants because it combines environmental friendliness, cheap cost, safety. Subsequently, designing novel nanocomposite photocatalysts with strong visible light-harvesting ability, efficient charge separation transportation, superb stability imminently desired for treatment. Recently, notion combining g-C 3 N 4 TiO 2 design photocatalytic performance heterojunction photoactive nanocomposites pollutant received attention. Meanwhile, construction /TiO -based may enhance ability harvesting light, boost transfer robust activity. Firstly, this review concisely explained main sources pollution, well potential approaches fundamental mechanism heterogeneous photocatalysis. details properties, synthesis techniques, photoactivity modification strategies, applications , 2, are presented. Following that, recent aimed at improving various types visible-light-driven presented detail. Finally, some concluding remarks perspectives on challenges opportunities constructing different heterostructured

Language: Английский

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A theoretical analysis of refractive index sensor with improved sensitivity using titanium dioxide, graphene, and antimonene grating: Pseudomonas bacteria detection

Measurement, Journal Year: 2023, Volume and Issue: 216, P. 112957 - 112957

Published: May 5, 2023

Language: Английский

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A comprehensive review of anionic azo dyes adsorption on surface-functionalised silicas

Environmental Science and Pollution Research, Journal Year: 2022, Volume and Issue: 29(51), P. 76565 - 76610

Published: Sept. 27, 2022

Language: Английский

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The Emergence and Impact of Ethylene Scavengers Techniques in Delaying the Ripening of Fruits and Vegetables

Membranes, Journal Year: 2022, Volume and Issue: 12(2), P. 117 - 117

Published: Jan. 20, 2022

As the top grocery list priorities, primary challenge when purchasing fruits and vegetables from supermarkets is obtaining fresh, minimally processed perishable goods. This source of diet critical for vitamins, minerals, antioxidants, fibres. However, short shelf life caused by moisture content in rapid deterioration decay microbial growth, results unappealing appearances. Fruits undergo ripening eventually ageing process, which tissues plants degrade. Even after harvesting, numerous biological processes occur, generating a significant variation ethylene production along with respiration rates between vegetables. Thus, utilization scavengers food packaging or films has been revealed to be beneficial. The synergistic effects these biomaterials have demonstrated reduce microorganisms prolong greens due antimicrobial activity, oxygen scavenging capacity, enzyme immobilization, texture enhancers, nutraceuticals. current review fills this void discussing most recent advances research on removal mechanisms ethylene, including oxidation fruit vegetable packaging. application advantages are then discussed addition how efficiency related can increased through atmospheric tools. In context, article discusses characteristics, types applications, efficacy control strategies commodities inclusion future implications.

Language: Английский

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photocatalytic degradation of TiO2 via incorporating Ti3C2 MXene for methylene blue removal from water

Catalysis Communications, Journal Year: 2022, Volume and Issue: 174, P. 106594 - 106594

Published: Dec. 19, 2022

The photocatalytic degradation of TiO2 as the best method to solve pollution dye wastewater has been widely studied. However, efficiency needs be further improved even though much effort paid, especially under visible (Vis) light. TiO2/MXene composites were synthesized by low temperature hydrothermal reaction using (P25) and MXene nanosheets raw materials for methylene blue (MB) dye. removal rate MB was effectively combination with materials. achieved at a mass ratio (4:1) MXene. composite ultraviolet light 96.44%, which 29.83% higher than that pure TiO2. Under Vis light, 8.26 times (40.19%) In addition, process significantly promoted both external Therefore, utilization greatly improved, promoted. enhancement attributed enhanced charge anti-recombination high adsorption capability toward MB. This work successfully incorporating nanosheets, heralding exciting prospects in treatment.

Language: Английский

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