Visible Light Motivated the Photocatalytic Degradation of P-Nitrophenol by Ca2+-Doped AgInS2

Molecules, Год журнала: 2024, Номер 29(2), С. 361 - 361

Опубликована: Янв. 11, 2024

4-Nitrophenol (4-NP) is considered a priority organic pollutant with high toxicity. Many authors have been committed to developing efficient, green, and environmentally friendly technological processes treat wastewater containing 4-NP. Here, we investigated how the addition of Ca

Язык: Английский

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Harnessing the potential of pigeonpea and maize feedstock biochar for carbon sequestration, energy generation, and environmental sustainability

Bioresources and Bioprocessing, Год журнала: 2024, Номер 11(1)

Опубликована: Янв. 3, 2024

Abstract Crop residues in agriculture pose disposal challenges and contribute to air pollution when burned. This study aims use pigeonpea maize stalks produce biochar at different pyrolysis temperatures. Biochar can serve carbon sequestration, as a soil amendment, an alternative fuel source. Pyrolysis was conducted 400, 500, 600 °C examine the effects on physicochemical properties, fuel, energy related properties. Increase temperatures resulted decrease of yield, volatile matter, O/C H/C atomic ratios, while ash content essential nutrients increased. Yield observed be higher derived compared same The yields 400 °C, 500 are 34, 33 29%, respectively, biomass-derived 29, 28, 26%, respectively. organic is found samples prepared i.e., 10.44%, 10.39% for maize-derived biochar, elements were increased with increase temperature except nitrogen which conversely temperature. obtained through demonstrated superior characteristics produced other It exhibited approximately 84.60% 64.85% fixed content. Additionally, retention efficiency higher, reaching 67.33% 42.70% °C. recovery also notable around 200.44% PPS 142.37% Furthermore, heating value (HHV) 30.75 MJ kg −1 both biochars, indicating their suitability solid fuels. A significant CO 2 reduction potential 84 eq 55 Hence, promising effective option offering environmental benefits. Graphical

Язык: Английский

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Strategy for establishing sensitive fluorescent sensor toward p-nitrophenol integrating magnetic molecularly imprinted materials and carbon dots

Talanta, Год журнала: 2024, Номер 272, С. 125749 - 125749

Опубликована: Фев. 10, 2024

Язык: Английский

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Sulfate radicals based heterogeneous peroxymonosulfate system catalyzed by CuO-Fe3O4-Biochar nanocomposite for bisphenol A degradation

Journal of Water Process Engineering, Год журнала: 2021, Номер 41, С. 102078 - 102078

Опубликована: Апрель 19, 2021

Язык: Английский

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Magnetically modified in-situ N-doped Enteromorpha prolifera derived biochar for peroxydisulfate activation: Electron transfer induced singlet oxygen non-radical pathway

Chemosphere, Год журнала: 2021, Номер 284, С. 131404 - 131404

Опубликована: Июль 2, 2021

Язык: Английский

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Production of activated biochar from Luffa cylindrica and its application for adsorption of 4-Nitrophenol

Journal of environmental chemical engineering, Год журнала: 2021, Номер 9(4), С. 105403 - 105403

Опубликована: Март 25, 2021

Язык: Английский

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Recent advances in catalytic sulfate radical-based approach for removal of emerging contaminants

Journal of Hazardous Materials Advances, Год журнала: 2022, Номер 7, С. 100108 - 100108

Опубликована: Июнь 10, 2022

One of the many processes that utilize cost-effective materials for safe and efficient remediation emerging contaminant pollution is catalytic sulfate radical-based advanced oxidation process (cSR-AOP). SR (SO4•−) generation at heart this technology. desirable because its better selectivity (compared to hydroxyl radical (HR)) which results in fewer secondary reactions. While several studies have demonstrated effectiveness SR, formation based on activation peroxymonosulfate (PMS) or peroxydisulfate (PDS) sulfite using heat, high pH, ultraviolet radiation catalyst. Among methods, heterogeneous involving use carbonaceous materials, transition metals their oxides, natural minerals offer promising benefits such as pore volume, specific surface area, relatively lower production costs. The opportunities challenges cSR-AOP are not fully explored. This paper presents a critical review covering methods mechanisms, influence operating conditions oxidative efficiency, applications cSR-AOPs removal contaminants concern. Results obtained by recent summarized vis-à-vis precursor, catalyst type, temperature, reactor type/configuration ensures regeneration/reusability. has been applied contaminated groundwater soil, treatment leachate, potential endocrine disruptors (4-hydroxylbenzoic acid, 2,4-dichlorophenol, bisphenol A, ortho-phenylphenol), herbicides (atrazine chloroacetanilide herbicide metolachlor), analgesics (acetaminophen), azo dyes (acid orange 7 methylene blue), antibiotics (tetracycline sulfamethoxazole) from water studies. also holds future promise drinking total mineralization.

Язык: Английский

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Heterogeneous compositions of oxygen-containing functional groups on biochars and their different roles in rhodamine B degradation

Chemosphere, Год журнала: 2022, Номер 292, С. 133518 - 133518

Опубликована: Янв. 4, 2022

Язык: Английский

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Degradation of p-Nitrophenol by activated persulfate with carbon-based materials

Journal of Environmental Management, Год журнала: 2023, Номер 343, С. 118140 - 118140

Опубликована: Май 25, 2023

The removal of p-nitrophenol (PNP) from wastewater was evaluated by the activated persulfate process using different materials - carbon xerogels (XG), nanotubes (CNT), and (AC) -, also such doped with nitrogen (XGM, CNTM ACM). These were impregnated 2 wt.% iron tested in oxidative to assess influence their textural surface chemical properties. carbon-based materials' properties efficiencies adsorption processes; adsorption, higher specific areas (SBET), i.e. AC (824 m2/g) Fe/AC (807 m2/g), have shown be most promising (having achieved a PNP about 20%); on other hand, or iron-containing highest mesoporous (Smeso) preferential ones XG Fe/XG, respectively reaching removals 47.3% 75.7% for 44.9 63.3% TOC, respectively. Moreover, presence groups samples' benefits both processes, being found that degradation mineralization increase content. stability best (XGM Fe/XGM) during four cycles, noticed while XGM lost catalytic activity, Fe/XGM sample remained stable without leaching iron. quantification intermediate compounds formed oxidation performed, only oxalic acid detected, addition PNP, contribution TOC measured than 99%. Experiments carried out radical scavengers proved sulfate is present under acidic conditions used. Complete ∼96% reached process, proving more attractive Fenton one.

Язык: Английский

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In-situ synthesis of novel dual S-scheme AgI/Ag6Mo7O24/g-C3N4 heterojunctions with tandem structure for photocatalytic degradation of organic pollutants

Chemosphere, Год журнала: 2023, Номер 318, С. 137812 - 137812

Опубликована: Янв. 12, 2023

Язык: Английский

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