A critical review on non-metal doped g-C3N4 based photocatalyst for organic pollutant remediation with sustainability assessment by life cycle analysis

Sahoo, Subhalaxmi; Mahamallik, Prateeksha; Das, Rahul; Panigrahi, Sagarika

doi:10.1016/j.envres.2024.119390

Environmental Research

2024

DOI: 10.1016/j.envres.2024.119390

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A critical review on non-metal doped g-C3N4 based photocatalyst for organic pollutant remediation with sustainability assessment by life cycle analysis

Subhalaxmi Sahoo,

Prateeksha Mahamallik,

Rahul Das

et al.

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A Critical Review of Clay Mineral-Based Photocatalysts for Wastewater Treatment

Qi,

Zhao,

Shen

et al. 2024

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This review critically examines the latest advancements in clay mineral-based photocatalysts for water purification. Clay minerals, owing to their natural abundance, low cost, and unique physicochemical properties, have emerged as promising candidates for enhancing photocatalytic efficiency. This article delves into various activation methods for clay minerals, including acid, alkali, calcination, and mechanochemical activation, highlighting their roles in enhancing surface area, creating active sites, and improving photocatalytic performance. Moreover, the review explores various modification strategies for photocatalysts, such as doping with metal and non-metal ions, deposition of metals, and the design of heterojunctions, to further boost photocatalytic activity. In particular, the utilization of kaolinite, montmorillonite, attapulgite, and sepiolite as clay mineral supports for photocatalysts is discussed in detail, showcasing their potential in wastewater treatment. The review underscores the significant strides made in the development of clay mineral-based photocatalysts, highlighting their effectiveness in degrading organic contaminants under light exposure. Nevertheless, there are persisting challenges such as the optimization of loading quantities, improvement in compatibility between clay minerals and photocatalysts, and reduction in preparation costs for large-scale applications. In summary, this review offers valuable insights into the current status of clay mineral-based photocatalysts for water purification, thereby stimulating future research in this promising field.

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A Critical Review of Clay Mineral-Based Photocatalysts for Wastewater Treatment

Qi,

Zhao,

Shen

et al. 2024

Catalysts

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show abstract

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A critical review on non-metal doped g-C3N4 based photocatalyst for organic pollutant remediation with sustainability assessment by life cycle analysis

Cited by 1 publication

References 148 publications

A Critical Review of Clay Mineral-Based Photocatalysts for Wastewater Treatment

A Critical Review of Clay Mineral-Based Photocatalysts for Wastewater Treatment

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