Bioremediation of dyes using coconut parts via adsorption: a review

Chong, Mee Yoke; Tam, Yew Joon

doi:10.1007/s42452-020-1978-y

Cited by 30 publications

(8 citation statements)

References 72 publications

(98 reference statements)

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“…Dye pollutants discharged into industrial wastewater usually attract a lot of attention because of their high toxicity. The disposal of these materials has caused major pollution in many countries around the world [ 147 , 148 ]. However, more than 0.7 million tons of dyes are released annually from paper, dyeing, printing, textile and other industries and more than 15% of these dyes end up in wastewater [ 40 ].…”

Section: Plasmonic-based Heterojunction Photocatalysts Degrade Organi...mentioning

confidence: 99%

A review on plasmonic-based heterojunction photocatalysts for degradation of organic pollutants in wastewater

et al. 2023

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Organic pollutants in wastewater are the biggest problem facing the world today due to population growth, rapid increase in industrialization, urbanization, and technological advancement. There have been numerous attempts to use conventional wastewater treatment techniques to address the issue of worldwide water contamination. However, conventional wastewater treatment has a number of shortcomings, including high operating costs, low efficiency, difficult preparation, fast recombination of charge carriers, generation of secondary waste, and limited light absorption. Therefore, plasmonic-based heterojunction photocatalysts have attracted much attention as a promising method to reduce organic pollutant problems in water due to their excellent efficiency, low operating cost, ease of fabrication, and environmental friendliness. In addition, plasmonic-based heterojunction photocatalysts contain a local surface plasmon resonance that enhances the performance of photocatalysts by improving light absorption and separation of photoexcited charge carriers. This review summarizes the major plasmonic effects in photocatalysts, including hot electron, local field effect, and photothermal effect, and explains the plasmonic-based heterojunction photocatalysts with five junction systems for the degradation of pollutants. Recent work on the development of plasmonic-based heterojunction photocatalysts for the degradation of various organic pollutants in wastewater is also discussed. Lastly, the conclusions and challenges are briefly described and the direction of future development of heterojunction photocatalysts with plasmonic materials is explored. This review could serve as a guide for the understanding, investigation, and construction of plasmonic-based heterojunction photocatalysts for various organic pollutants degradation. Graphical abstract Herein, the plasmonic effects in photocatalysts, such as hot electrons, local field effect, and photothermal effect, as well as the plasmonic-based heterojunction photocatalysts with five junction systems for the degradation of pollutants are explained. Recent work on plasmonic-based heterojunction photocatalysts for the degradation of various organic pollutants in wastewater such as dyes, pesticides, phenols, and antibiotics is discussed. Challenges and future developments are also described.

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Section: Plasmonic-based Heterojunction Photocatalysts Degrade Organi...mentioning

confidence: 99%

A review on plasmonic-based heterojunction photocatalysts for degradation of organic pollutants in wastewater

et al. 2023

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“…Presence of manmade organic dyes into the water ecosystem is one of the serious environmental problems. Severe damage to the well-being of humans and the ecosystem is caused by the different dyes (Chong, and Tam, 2020). Jian River in Luoyang, Henan Province, north China, became red in December 2011 due to red dye, which was discarded into the city's storm water pipe network.…”

Section: Effects Of Dyesmentioning

confidence: 99%

Nano-remediation for the decolourisation of textile effluents: A review

Yadav

Punia

Sharma

et al. 2022

Nanofab

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The economic development of any nation leads to the depletion of its natural resources, and water is one of them. Water pollution caused by various industries like food, leather, and textile etc. causes severe impacts on the environment and humans. To ensure water availability to the whole world, contaminated water released from industries, mainly fabric, must be treated and reused. The conventional techniques alone are not enough to treat textile effluent completely. This is why nanotechnology should be combined with these traditional techniques. Nanotechnology includes engineered nanoparticles for the alteration and detoxification of contaminants. Compared to nanoparticles produced from conventional techniques, biogenic nanoparticles are environmentally friendly and cost-efficient. Microbes such as Rhodotorula mucilaginosa, Hypocrealixii, Bacillus species, Pseudomonas aeuginosa etc., are used to fabricate nanoparticles. Among various microbes, bacteria are considered a bio-factory for the fabrication of nanoparticles. Different researchers reported an average dye removal efficiency of biogenic nanoparticles between 87% and 92%. When nanoparticles are applied to actual textile waste water rather than synthetic dye, waste water gives good results through the adsorption process. In this review, various methods for dye degradation are explained, but the focus is on the biological treatment of textile waste water in combination with nanotechnology.

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“…In these chemical processes, adsorption is the most popular water treatment process and has advantages such as simple operation, high process efficiency, reusability of adsorbent materials, and non-generation of secondary pollutants (Kim et al 2021). In general, activated carbon has been used most widely in the practical adsorption process thus far, but the use of petroleum-based carbon precursors and the high energy required during the carbonization process inevitably cause an increase in economic problems (Luo and Zhang 2009;Chong and Tam 2020). In addition, the use of unformulated activated carbon powder makes it difficult to recover the adsorbent from contaminated water after the process, so there is also difficulty in the regeneration and reuse process (Mokhtar et al 2020).…”

Section: Introductionmentioning

confidence: 99%

pH-responsive hydrogels of carboxymethyl cellulose and polyethyleneimine for efficient removal of ionic dye molecules

Jung

Kim

Jung

et al. 2022

BioRes

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A carboxymethyl cellulose (CMC)/polyethyleneimine (PEI) hybrid hydrogel was successfully prepared under green processing conditions. The CMC and PEI formed a polyelectrolyte complex, and the three-dimensional (3D) network structure was hardened by chemical crosslinking, resulting in suitable hydrogel properties. In the prepared CMC/PEI polyelectrolyte hydrogel, the surface charge was easily switched according to the pH change, and the resulting swelling and contraction was reversible. The pH sensitivity of the CMC/PEI hydrogel was effective in removing ionic dye contaminants, and as a result, it showed an excellent removal capacity of 319 mg/g for anionic acid orange (AO) and 129 mg/g for cationic methylene blue (MB). In addition, the CMC/PEI polyelectrolyte hydrogel maintained structural stability despite repeated changes in surface charge characteristics and shrinkage-swelling due to repeated pH conversion. As a result, in the reuse process through repeated adsorption and desorption, it showed an excellent reuse efficiency of more than 93% even after 10 reuse cycles.

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Bioremediation of dyes using coconut parts via adsorption: a review

Cited by 30 publications

References 72 publications

A review on plasmonic-based heterojunction photocatalysts for degradation of organic pollutants in wastewater

A review on plasmonic-based heterojunction photocatalysts for degradation of organic pollutants in wastewater

Nano-remediation for the decolourisation of textile effluents: A review

pH-responsive hydrogels of carboxymethyl cellulose and polyethyleneimine for efficient removal of ionic dye molecules

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