Photoactive Polymer for Wastewater Treatment

Djellabi, Ridha; Bianchi, Claudia L.; Haider, Muhammad Rizwan; Ali, Jafar; Falletta, Ermelinda; Ordonez, M. Frias; Bruni, Anna; Sartirana, M.; Geioushy, Ramadan A.

doi:10.1201/9781003118749-7

Cited by 3 publications

(6 citation statements)

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“…In addition to the enhanced light absorption, an excellent charges separation would occur through this bridge (Zhang et al 2020a , b ). Enhanced adsorption ability : As discussed above, the adsorb and shuttle process is the primary mechanism for the oxidation of organic pollutants; the sorption ability also helps decrease the number of contaminants in water and contributes to fixing the generated toxic by-products (Djellabi et al 2021a , b , c ). Self-generation of the materials : In general, adsorption suffers from the fast deactivation of the adsorbent because if there is an accumulation of pollutants on the surface.…”

Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

“… Easy handling and recovery : Naked photocatalytic nanoparticles are difficult to handle because of the nanosized particles. After the water treatment, it is tough to recover the particles from water, and a membrane separation step is required, increasing the process cost (Friehs et al 2016 ; Djellabi et al 2021a , b , c ). However, the recovery and handling of NPs/biomass composites are easier through the simple decantation and filtration.…”

Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

“…Enhanced adsorption ability : As discussed above, the adsorb and shuttle process is the primary mechanism for the oxidation of organic pollutants; the sorption ability also helps decrease the number of contaminants in water and contributes to fixing the generated toxic by-products (Djellabi et al 2021a , b , c ).…”

Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

“…Lignocellulosic biomass has been extensively used as support for photocatalytic nanoparticles to improve the pollutant removal efficiency during environmental remediation. TiO 2 /carbon composites are some of the successful photocatalytic materials for water purification because of the synergistic effects in terms of enhanced light absorption, excellent adsorptive ability, and promoted charges transferred (Puma et al 2008 ; Lisowski et al 2018 ; Djellabi et al 2019a , b , c , d ; Djellabi et al 2019a , b , c , d ; Djellabi et al 2021a , b , c ). Several photocatalytic mechanistic pathways have been reported regarding oxidation and reduction of pollutants on the surface of titania-carbon materials (Matos et al 2010 ; Asiltürk and Şener 2012 ; Djellabi et al 2019a , b , c , d ).…”

Section: Introductionmentioning

confidence: 99%

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Valorization of lignocellulosic biomass into sustainable materials for adsorption and photocatalytic applications in water and air remediation

Mergbi,

Galloni,

Aboagye

et al. 2023

Environ Sci Pollut Res

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An exponential rise in global pollution and industrialization has led to significant economic and environmental problems due to the insufficient application of green technology for the chemical industry and energy production. Nowadays, the scientific and environmental/industrial communities push to apply new sustainable ways and/or materials for energy/environmental applications through the so-called circular (bio)economy. One of today’s hottest topics is primarily valorizing available lignocellulosic biomass wastes into valuable materials for energy or environmentally related applications. This review aims to discuss, from both the chemistry and mechanistic points of view, the recent finding reported on the valorization of biomass wastes into valuable carbon materials. The sorption mechanisms using carbon materials prepared from biomass wastes by emphasizing the relationship between the synthesis route or/and surface modification and the retention performance were discussed towards the removal of organic and heavy metal pollutants from water or air (NOx, CO2, VOCs, SO2, and Hg0). Photocatalytic nanoparticle–coated biomass-based carbon materials have proved to be successful composites for water remediation. The review discusses and simplifies the most raised interfacial, photonic, and physical mechanisms that might take place on the surface of these composites under light irradiation. Finally, the review examines the economic benefits and circular bioeconomy and the challenges of transferring this technology to more comprehensive applications.

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Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

Section: Photocatalytic Removal Of Organic Pollutants From Watermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Valorization of lignocellulosic biomass into sustainable materials for adsorption and photocatalytic applications in water and air remediation

Mergbi,

Galloni,

Aboagye

et al. 2023

Environ Sci Pollut Res

View full text Add to dashboard Cite

show abstract

“…Therefore, the research community is asked to develop materials that can be used at a large scale as an alternative to existing ones. Photocatalytic technology has been employed at the lab scale for more than 40 years for environmental remediation and energy production [4][5][6]. This process is based on the excitation of a photocatalyst with light energy equal to or greater than the band gap of the photocatalyst [7].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Photocatalytic Kinetics Using HDTMA Coated TiO2-Smectite Composite for the Oxidation of Diclofenac under Solar Light

et al. 2022

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Slow kinetics is one of the capital issues of photocatalytic technology because of its heterogeneous nature, which involves multi-step processes. Herein, we show that the simple modification of the sol-gel-based TiO2-smectite composite by hexadecyltrimethylammonium bromide (HDTMA) significantly boosts adsorption and photocatalytic efficient sol-gel-based light towards the removal of diclofenac from water. Three photocatalysts were prepared, including TiO2, TiO2-smectite, and HDTMA-TiO2-smectite. The materials were characterized to understand the surface interaction and crystal characteristics. In terms of photoactivity, it was found that the addition of HDTMA to TiO2-smectite improved the removal rate by twice. HDTMA changes the functional groups to TiO2-smectite composite allowing enhanced adsorption and photoactivity through the so-called Adsorb and Shuttle process. The recycling tests show that HDTMA-TiO2-smectite can be used up to four times with good performance. This modification approach could intensify the removal of pollutants from water instead of using complicated and costly techniques.

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Visible light photocatalytic reduction of Cr(VI) over polyimide in the presence of small molecule carboxylic acids

Zhu

Zhang

et al. 2022

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Photoactive Polymer for Wastewater Treatment

Cited by 3 publications

References 0 publications

Valorization of lignocellulosic biomass into sustainable materials for adsorption and photocatalytic applications in water and air remediation

Valorization of lignocellulosic biomass into sustainable materials for adsorption and photocatalytic applications in water and air remediation

Enhanced Photocatalytic Kinetics Using HDTMA Coated TiO2-Smectite Composite for the Oxidation of Diclofenac under Solar Light

Visible light photocatalytic reduction of Cr(VI) over polyimide in the presence of small molecule carboxylic acids

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