In-situ hydrogen peroxide formation and persulfate activation over banana peel-derived biochar cathode for electrochemical water treatment in a flow reactor

Kim, Jong-Gook; Sarrouf, Stephanie; Ehsan, Muhammad Fahad; Baek, Kitae

doi:10.1016/j.chemosphere.2023.138849

Cited by 18 publications

(4 citation statements)

References 46 publications

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“…As an alternative to the mechanism reported in Figure 4, electro-oxidation can proceed through the in situ formation of hydrogen peroxide at the cathode of the system, which acts like an oxidant agent [206]. This is the mechanism exploited by BCSCs, as reported by several authors [176,[207][208][209]. Nevertheless, Dai et al [210] used BCSCs.…”

Section: Photochemical Based Bc Catalytic Systemsmentioning

confidence: 98%

A Comprehensive Overview on Biochar-Based Materials for Catalytic Applications

Bartoli,

Giorcelli,

Tagliaferro

2023

Catalysts

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The development of heterogeneous catalysts is one of the pillars of modern material science. Among all supports, carbonaceous ones are the most popular due to their high surface area, limited cost, and tunable properties. Nevertheless, materials such as carbon black are produced from oil-derived sources lacking in sustainability. Pyrolytic carbon produced from biomass, known as biochar, could represent a valid solution to combine the sustainability and performance of supported catalysts. In this review, we report a comprehensive overview of the most cutting-edge applications of biochar-based catalysts, providing a reference point for both experts and newcomers. This review will provide a description of all possible applications of biochar-based catalysts, proving their sustainability for the widest range of processes.

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Section: Photochemical Based Bc Catalytic Systemsmentioning

confidence: 98%

A Comprehensive Overview on Biochar-Based Materials for Catalytic Applications

Bartoli,

Giorcelli,

Tagliaferro

2023

Catalysts

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“…Many research studies carried out with different lignocellulosic wastes as precursors require the activation with chemicals that improve the physico-chemical properties of the material, enhancing their electrocatalytic activity towards 2e-ORR.Water hyacinth [100] was pyrolyzed or activated with ZnCl 2 at different ratio, being this material successfully applied to produce H 2 O 2 and to remove pollutants in an electro-Fenton process. Kim et al studied different pyrolysis temperature and treatment times of banana peel, [101] finding that the destruction of surface functional groups can be detrimental for reactivity and that it may also collapse some nanostructures. Thus, optimal conditions were obtained at 700 °C, although the SSA at 900 °C was doubled.…”

Section: Electrochemical Generation Of H 2 Omentioning

confidence: 99%

“…Kim et al . studied different pyrolysis temperature and treatment times of banana peel, [101] finding that the destruction of surface functional groups can be detrimental for reactivity and that it may also collapse some nanostructures. Thus, optimal conditions were obtained at 700 °C, although the SSA at 900 °C was doubled.…”

Section: Uses Of Carbon Materials Derived From Lignocellulosic Wastes...mentioning

confidence: 99%

Harnessing Lignocellulosic Waste‐Derived Carbon Materials for Green Electrochemical Applications

Ramírez,

Muñoz‐Morales,

López‐Fernández

et al. 2024

ChemElectroChem

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Phytoremediation and constructed wetlands are widely employed processes for the decontamination of soils and waters. These sustainable, effective, and cost‐efficient technologies rely solely on the use of plants. However, the application of these processes results in the accumulation of lignocellulosic residues, like it occurs with natural wetlands, which present a significant challenge due to the potential entry into the food chain of the adsorbed pollutants or the risk of initiating uncontrolled fires due to the accumulation of dead biomass. Nevertheless, rather than being perceived as a drawback, this can be seen as a potential source of materials. Carbonaceous materials are gaining increasing significance in the field of electrochemistry, normally improving their features through some type of thermal treatment. In this study, different types of thermal treatments applied to lignocellulosic wastes are reviewed pointing out pyrolysis and hydrothermal carbonization (HTC). Additionally, four environmental and energy electrochemical applications where this type of waste has been used as precursors of electrode materials are briefly examined: energy storage (supercapacitors, Li−Na‐ion batteries), hydrogen production (H2), microbial fuel cells (MFCs) and hydrogen peroxide (H2O2) production. Recent research findings, as discussed throughout this review, suggest a promising future for the utilization of lignocellulosic waste in electrochemical applications.

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“…Solving the issue of water pollution brought by organic dyes and antibiotics has emerged as one of the major challenges in the modern environment, which is plagued by the discharge of wastewater rich in organic contaminants. Physical and chemical approaches are now used to treat wastewater, including membrane filtration, fenton treatment, ion exchange, electrochemical degradation, photocatalytic degradation, and adsorption . Adsorption is regarded as one of the most effective techniques for cleaning water due to simple operation, low cost, adaptable structure, and insensitivity to harmful pollutants .…”

Section: Introductionmentioning

confidence: 99%

Bi-Activation Engineering of Lignin-Derived Porous Carbon Adsorbent for Highly Efficient Water Purification

Bai,

Wei,

Qiu

et al. 2023

Ind. Eng. Chem. Res.

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Organic contaminants have become a major concern in current environmental policies. Biochar is often used to absorb pollutants due to its large surface area, wide availability, and cost-effectiveness. Lignin, a byproduct of the pulp and paper industry, is an ideal precursor for biochar due to its abundance, sustainability, and high carbon content. Bi-activation engineering of alkali lignin during the carbonized process by combining potassium carbonate and melamine to produce porous carbon with more micro–mesoporous structure was proposed. Melamine reacts with the carbon matrix during the activation process, creating new alkaline compounds and releasing more gas, resulting in the formation of more micropores and mesopores. Adjusting the ratio of potassium carbonate to melamine can optimize the micro–mesoporous structure of porous carbon materials. In this regard, a nitrogen-doped three-dimensional porous carbon (ALNC-2-1) with a specific surface area of up to 3522 m2 g–1 was synthesized for the adsorption of methylene blue and tetracycline hydrochloride in wastewater; the largest adsorption capacities were 1364 and 1682 mg g–1, respectively. The adsorption process was found to follow the pseudo-second-order kinetic model and was attributed to electrostatic interaction, pore filling, hydrogen bonding, and π–π interaction. Moreover, ALNC demonstrated high removal rates for organic pollutants and excellent regeneration performance, thus making it a promising material for practical wastewater treatment.

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In-situ hydrogen peroxide formation and persulfate activation over banana peel-derived biochar cathode for electrochemical water treatment in a flow reactor

Cited by 18 publications

References 46 publications

A Comprehensive Overview on Biochar-Based Materials for Catalytic Applications

A Comprehensive Overview on Biochar-Based Materials for Catalytic Applications

Harnessing Lignocellulosic Waste‐Derived Carbon Materials for Green Electrochemical Applications

Bi-Activation Engineering of Lignin-Derived Porous Carbon Adsorbent for Highly Efficient Water Purification

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