Dye adsorption onto magnetic and superparamagnetic Fe3O4 nanoparticles: A detailed comparative study

Damasceno, Barbara Souza; Silva, Anderson Felipe Viana da; Araújo, Ana Cláudia Vaz de

doi:10.1016/j.jece.2020.103994

Cited by 51 publications

(16 citation statements)

References 48 publications

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“…E.g. in [21] superparamagnetic magnetite nanoparticles synthesized by the chemical coprecipitation, the removal efficiency of indigo carmine dye was higher than in the commercial magnetite nanoparticles (87 % removal efficiency in accordance to 33 % in case of the commercial product).…”

Section: Dye Removal Methodsmentioning

confidence: 90%

“…Magnetic separation of adsorbents has proven its utility as a promising technique for wastewater treatment due to its advantages such as the lack of flocculants produced and the large quantity of effluent manipulated in a limited period of time, which recommend the magnetic materials as suitable candidates for dye sequestration with rapid separation and improved decontamination efficiency of water [20]. Adsorption studies have indicated the potential of iron oxide nanoparticles for environmental remediation as a result of their chemical stability, high surface areas and ease of magnetic recovery [21]. E.g.…”

Section: Dye Removal Methodsmentioning

confidence: 99%

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Potential Applications of Nanomaterials in Wastewater Treatment

Sanny

Kucmanová

Gerulová

et al. 2021

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

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Over the last few decades, nanotechnologies have gained a great deal of attention, and various nanomaterials and techniques have been developed for water remediation. This study deals with the adsorption of Naphthol green B onto the magnetite nanoparticles synthetized by the coprecipitation method at the laboratory temperature. According to the obtained results, the sorption process is obvious only at the acidic condition when the pH of solution decreases to pH level 3. According to nonlinear fit of experimental data, the sorption of the Naphthol green B onto magnetite nanoparticles is assumed as multilayer, while the Freundlich model fits better (96.158 %) than the Langmuir model does (55.941 %).

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Section: Dye Removal Methodsmentioning

confidence: 90%

Section: Dye Removal Methodsmentioning

confidence: 99%

Potential Applications of Nanomaterials in Wastewater Treatment

Sanny

Kucmanová

Gerulová

et al. 2021

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

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show abstract

“…Due to the increasing demand for products from these industries, the demand for dyes usage is also increased accordingly. Among all the dyes utilizing in industries, textile industries use about 10,000 different dyes, and about 10-15% of dyes used often discharged into the effluent without any adequate treatment (Damasceno et al 2020;Kumar 2019;Xu et al 2020). This means that the wastewater containing dyes must be treated well and met the standards made by the authorities before being discharged.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Alpinia galangaStem Based Activated Carbon via Single-step Microwave Irradiation for Cationic Dye Removal

Ahammad¹,

Yusop²,

Din³

et al. 2021

JSM

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The focal point of this study is to synthesis Alpinia galanga Stem-based activated carbon (AGSAC) by using single-step microwave irradiation and testing it for the removal of cationic dye, methylene blue (MB) from aqueous solution. AGSAC was prepared under the flow of carbon dioxide (CO2) for the gasification effect. The factors of contact time (from 0 to 24 h) and initial concentration (25-300 mg/L) on the adsorption performance of AGSAC were studied. With the aid of response surface methodology (RSM) via face-centered composite design (FCD), optimum preparation conditions for AGSAC were found to be 400 W for radiation power and 4 min for activation time, respectively, which resulted in 95.67% of MB dye removal. The optimized AGSAC has a Bruneaur-Emmet-Teller (BET) surface area of 172.19 m2/g, mesopore surface area of 103.32 m2/g, a total pore volume of 0.1077 cm3/g, and fixed carbon content of 47.63%. The pore diameter of AGSAC was found to be a mesoporous type with a pore diameter of 2.50 nm. Freundlich isotherm and pseudo-second-order were found as the best-fitted model for MB adsorption equilibrium and kinetic respectively onto prepared AGSAC. Intraparticle diffusion was found to be the rate-limiting step.

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“…The adsorption process utilising low-cost adsorbents is technically possible and is an economically viable sustainable wastewater treatment approach. Hence, one of the most often used approaches is the adsorption technique (Ghosh et al, 2016a, b;Damasceno et al, 2020;Singh et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

The promising applications of nanoparticles for synthetic dyes removal from wastewater: recent review

Ilame

Ghosh

2021

MEQ

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PurposeWater is a vital natural resource without which life on earth would be impossible. Properties of synthetic dyes like high stability and noxious nature make it difficult to remove them from the effluent. This review focuses on the removal of synthetic dyes using nanoparticles (NPs) based on the adsorption principle.Design/methodology/approachAdsorption technique is widely used to remove synthetic dyes from their aqueous solution for decades. Synthetic dye removal using NPs is promising, less energy-intensive and has become popular in recent years. NPs are in high demand for treating wastewater using the adsorption principle due to their tiny size and vast surface area. To maximise environmental sustainability, the utilisation of green-produced NPs as efficient catalysts for dye removal has sparked attention amongst scientists.FindingsThis review has prioritised research and development of optimal dye removal systems that can be used to efficiently remove a large quantity of dye in a short period while safeguarding the environment and producing fewer harmful by-products. The removal efficiency of synthetic dye using different NPs in wastewater treatment varies mostly between 75% to almost 100%. This review will aid in the scaling up of the wastewater treatment process.Research limitations/implicationsThere is a lack of research emphasis on the safe disposal of NPs once the reuse efficiency significantly drops. The relevance of cost analysis is equally critical, yet only a few papers discuss cost-related information.Originality/valueComprehensive and planned research in this area can aid in the development of long-term wastewater treatment technology to meet the growing need for safe and reliable water emphasising reuse and desorption efficiency of the NPs.

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Dye adsorption onto magnetic and superparamagnetic Fe3O4 nanoparticles: A detailed comparative study

Cited by 51 publications

References 48 publications

Potential Applications of Nanomaterials in Wastewater Treatment

Potential Applications of Nanomaterials in Wastewater Treatment

Preparation of Alpinia galangaStem Based Activated Carbon via Single-step Microwave Irradiation for Cationic Dye Removal

The promising applications of nanoparticles for synthetic dyes removal from wastewater: recent review

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