Three-dimensional graphene supported catalysts for organic dyes degradation

He, Kai; Chen, Guiqiu; Zeng, Guangming; Chen, Anwei; Huang, Zhenzhen; Shi, Jiangbo; Huang, Tiantian; Peng, Min; Hu, Liang

doi:10.1016/j.apcatb.2018.01.061

Cited by 310 publications

(83 citation statements)

References 128 publications

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“…Organic dyestuff is one of the most prevalent contaminants, which are usually produced along with textiles, rubber, paper and dye manufacturing (Yagub et al 2014;He et al 2018). These types of contaminants have the characteristics of excellent chemical stability, good solubility in water, high colority and complex aromatic structure, which is difficult to be decomposed naturally.…”

Section: Removal Of Organic Dyesmentioning

confidence: 99%

Biochar-based materials and their applications in removal of organic contaminants from wastewater: state-of-the-art review

Huang

Song

Chen

et al. 2019

Biochar

300

104

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As a class of famous carbon materials, biochars (BCs) and their derivative materials with excellent physicochemical properties and diversified functionalities present great potential in wastewater treatment fields. This review focuses on the latest development in reported biochar-based materials as superior adsorbents or catalysts for removing harmful organic contaminants from wastewater. The construction and properties of biochar-based materials are briefly introduced at the beginning. As one of the major factors affecting the properties of BCs, the wide diversity of feedstocks, such as agricultural and forest residues, industrial by-products as well as municipal wastes, endows BCs different chemical compositions and structures. Woody and herbaceous BCs usually have higher carbon contents, larger surface areas and strong aromaticity, which is in favor of the organic contaminant removal. Driven by the desire of more cost-effective materials, several types of biochar-based hybrid materials, such as magnetic BC composites (MBC), nanometal/nanometallic oxides/hydroxide BC composites and layered nanomaterial-coated BCs, as well as physically/chemically activated BCs, have also been developed. With the help of foreign materials, these types of hybrid BCs have excellent capacities to remove a wide range of organic contaminants, including organic dyestuff, phenols and chemical intermediates, as well as pharmaceutically active compounds, from aquatic solutions. Depending on the different types of biochar-based materials, organic contaminants can be removed by different mechanisms, such as physical adsorption, electrostatic interaction, π-π interaction and Fenton process, as well as photocatalytic degradation. In summary, the low cost, tunable surface chemistry and excellent physical-chemical properties of BCs allow it to be a potential material in organic contaminant removal. The combination of BCs with foreign materials endows BCs more functionalities and broader development opportunities. Considering the urgent demand of practical wastewater treatment, we hope more researches will focus on the applications and commercialization of biochar-based materials.

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Section: Removal Of Organic Dyesmentioning

confidence: 99%

Biochar-based materials and their applications in removal of organic contaminants from wastewater: state-of-the-art review

Huang

Song

Chen

et al. 2019

Biochar

300

104

View full text Add to dashboard Cite

show abstract

“…Pollutants such as agricultural molecules, drugs, explosives or industrial waste products have been studied, but by far the most common class of molecules used in testing are dyes. 67 While the textile industry is indeed reckoned to be the cause of much of the worlds contaminated water, 68 questions must be raised about the validity of the use of dyes in ascertaining performance. For truly applicable systems to be developed, thorough reliable testing methods should be encouraged, which dyes may not satisfy.…”

Section: Are Current Testing Methods Applicable?mentioning

confidence: 99%

Bridging the gap between laboratory and application in photocatalytic water purification

Odling

Robertson

2019

Catal. Sci. Technol.

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“…The crisis conditions about industrial pollutants are that they are consist of various dyes with high chemically stable and difficult decomposition so the elimination of synthetic dyes from wastewaters is a serious environmental task that has to be deal with scientifically. Between various chemical and physical methods, degradation techniques are one of the beneficial processes that have been favorably applied for dye removal from wastewater [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Green synthesis, characterization, and photocatalytic activity of cobalt chromite spinel nanoparticles

Fardood

Forootan

Moradnia

et al. 2020

Mater. Res. Express

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Eriochrome Black T, an azo dye, was degraded under visible light irradiation using CoCr 2 O 4 nanoparticles as a photocatalyst. In this study, CoCr 2 O 4 cubic-spinel nanoparticles were synthesized via a novel and green sol-gel method. The synthesized sample was characterized by EDX, XRD, TEM, FESEM, DRS, and FTIR. The CoCr 2 O 4 NPs have good photocatalytic activity for degradation of Eriochrome Black T (EBT) dye at room conditions so that 90% of EBT was degraded in 90 min under the visible light. The CoCr 2 O 4 NPs reusability was scanned and confirmed that the nano-photocatalyst shows a few declines in its activity after the three runs.

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Three-dimensional graphene supported catalysts for organic dyes degradation

Cited by 310 publications

References 128 publications

Biochar-based materials and their applications in removal of organic contaminants from wastewater: state-of-the-art review

Biochar-based materials and their applications in removal of organic contaminants from wastewater: state-of-the-art review

Bridging the gap between laboratory and application in photocatalytic water purification

Green synthesis, characterization, and photocatalytic activity of cobalt chromite spinel nanoparticles

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