Nanomaterial-based biosorbents: Adsorbent for efficient removal of selected organic pollutants from industrial wastewater

Okoro, Hussein K.; Pandey, Sadanand; Ogunkunle, Clement O.; Ngila, Catherine Jane; Zvinowanda, Caliphs; Jimoh, Ismaila Adetunji; Lawal, Isiaka A.; Orosun, Muyiwa Michael; Adeniyi, Adewale George

doi:10.1016/j.emcon.2021.12.005

Cited by 85 publications

(29 citation statements)

References 113 publications

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“…The main benefit of employing dead material over viable material is that it does not need any growing medium. Because of their high effectiveness and cheap cost, possible sorbents such as bacteria, yeast, fungus, algae, sawdust, seed shells, sugar beet pectin gels, and potato peels are utilized in this process (Bădescu et al, 2018;Okoro et al, 2022;Savastru et al, 2022).…”

Section: Biosorbentsmentioning

confidence: 99%

Environmental and human health implications of metal(loid)s: Source identification, contamination, toxicity, and sustainable clean-up technologies

Kumar

Gacem

Ahmad

et al. 2022

Front. Environ. Sci.

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Environmental pollution is becoming more prevalent in both human life and the ecosystem. The increased use of fossil fuels, mining, and the burning of wastes, as well as industrial wastewater discharge, are polluting natural resources such as water, soil, and air. Metals (loid)s (Cu, Cr, Cd, Zn, Ni, Pb, Hg, Sb, Sn, and As) contribute to several ecological problems when exposed to humans and the environment resulting in serious health and environmental risks. The pollution of aquatic and terrestrial sites with these elements is an issue of environmental as well as public health significance. The present review highlights environmental problems instigated by the toxic metal (loid)s, their source, and respective health/environmental concern along with the importance of creating low-cost, environmentally acceptable clean-up technologies for treating household and industrial wastewater. Various physical, chemical, biological, and/or biochemical as well as their various combinations have been described from the sustainable technological point of view. Techniques such as ion exchange, membrane filtration, photocatalysis, bioremediation, phytoremediation, economical biosorbents, and nanomaterials have been discussed in detail along with respective recent case studies to gain a significant inside towards the solution of the environmental problems focused and action-oriented sustainable technologies development. Thus, this article significantly provides a deep insight into metal (loid)s toxicity, source identification, and their influences on the ecosystem and human health along with conventional and sustainable clean-up technologies.

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Section: Biosorbentsmentioning

confidence: 99%

Environmental and human health implications of metal(loid)s: Source identification, contamination, toxicity, and sustainable clean-up technologies

Kumar

Gacem

Ahmad

et al. 2022

Front. Environ. Sci.

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“…Pesticides in water are a public health risk, that's why their removal is necessary, however, conventional physicochemical methods are expensive and diffi cult to apply and some leave polluting residues that must also be cleaned [33]. An original solution is the use of bioadsorbent nanomaterials for the removal of organic contaminants [34], NPs have also been implemented, such as the case of ZnO NPs, synthesized by green chemistry, which can remove up to 99% of water herbicides [35].…”

Section: Removal Of Agrochemicals From Watermentioning

confidence: 99%

Use of Nanotechnology for the Removal of Agrochemicals from Soil and Water

2022

J Biomed Res Environ Sci

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Agrochemical contamination is a severe problem that damages the ecosystem and reduces the quality of life of the people exposed; to remedy this problem, nanotechnology is an attractive bioremediation alternative for these types of chemicals. This study emphasizes bioremediation actions such as investing in alternatives, for example, the method of photocatalysis using Titanium Dioxide (TiO2) and Zinc Oxide (ZnO), and alternatives that aid in the degradation of most chemicals such as sonolyisis or ozonolysis to improve their effectiveness are of great interest. In this paper, the uses of nano remediation to reduce the effects of chemicals in agricultural soil were reviewed and its use is highly recommended.

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“…Adsorption provides a number of benefits, including a high removal efficiency, simple , easy to application, capacity to handle dyes in highly concentrated solutions [12,13] In the adsorption process, a variety of adsorbent materials were employed, including clay minerals, nanomaterial's, agricultural waste, and biological biomasses. [14,15].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Activated Carbon Composited With Egyptian Black Sand for Enhanced Adsorption Performance toward Methylene Blue Dye

ElKholy

Yahia²,

El-Nawawy

et al. 2022

Preprint

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The present study reports the feasibility of the synthesis of a novel porous activated carbon (OS400) composite adsorbent prepared from olive stone and impregnated with garnet (GA) types of black sand minerals. The Activated Carbon/ garnet composite (OSMG) was applied for the sorption of macromolecular organic dye. The structural characteristics of the synthesized composite were evaluated by Brunauer–Emmett–Teller (BET), N2 adsorption/desorption measurements, Scanning Electron Microscopy equipped with Energy Dispersive X-ray spectroscopy (SEM-EDX), X-ray diffraction (XRD), and a Fourier transform infrared spectrometer (FT-IR). The specific surface area of (GA), (OS400), and (OSMG) were 5.157 m2.g− 1, 1489.598 m2.g− 1, and 546.392 m2.g− 1, respectively. The high specific surface area and effective active centers of the new composite promoted the adsorption of methylene blue (MB). The experiments were carried out under various conditions such as contact time, initial concentration of adsorbate, adsorbent dosage, pH, and temperatures. The equilibrium adsorption data were evaluated using the Langmuir and Freundlich isotherm models. The results display that, the adsorption isotherm had an excellent fitting to the Freundlich model. Furthermore, the data obtained from adsorption kinetic models showed that the pseudo-second-order model more agreeing for describing the (MB) adsorption reaction, suggesting a chemisorption mechanism. The values of thermodynamic parameters indicate that methylene blue dye adsorption onto the (GA) adsorbents through an endothermic reaction, while exothermic sorption of MB onto (OS400) and (OSMG), with a non-spontaneous process.

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Nanomaterial-based biosorbents: Adsorbent for efficient removal of selected organic pollutants from industrial wastewater

Cited by 85 publications

References 113 publications

Environmental and human health implications of metal(loid)s: Source identification, contamination, toxicity, and sustainable clean-up technologies

Environmental and human health implications of metal(loid)s: Source identification, contamination, toxicity, and sustainable clean-up technologies

Use of Nanotechnology for the Removal of Agrochemicals from Soil and Water

Synthesis of Activated Carbon Composited With Egyptian Black Sand for Enhanced Adsorption Performance toward Methylene Blue Dye

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