Comparative study for adsorption of congo red and methylene blue dye on chitosan modified hybrid nanocomposite

Ahmad, Rais; Ansari, Khalid

doi:10.1016/j.procbio.2021.05.013

Cited by 110 publications

(15 citation statements)

References 72 publications

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“…For comparison, the adsorption performance of 30%BD-LDH4 for CR was compared with those of other similar adsorption materials reported by the previous literature, − ,− and the results are shown in Table . The Q m of these reported adsorbents for CR was in the range of 79.6–541.8 mg·g –1 , which was lower than that of 30%BD-LDH4 (666.7 mg·g –1 ).…”

Section: Resultsmentioning

confidence: 99%

“…The soybean dreg could be used as a cheap adsorption material since it contains rich oxygen-containing functional groups and has a loose and porous structure. − However, the specific surface area of the soybean dreg is small; therefore, its adsorption performance needs to be further improved. According to the previous literature, the main methods to improve the adsorption properties of biomass adsorbents included modification, carbonization, and preparation of composites. − Recently, combined with the advantages of biomass organic adsorption materials and traditional inorganic adsorption materials, the organic/inorganic composite adsorbents had attracted much attention. − For example, Abu-Danso et al found that the maximum adsorption capacities of clay/cellulose composites for Pb (II) and Cd (II) reach 389.78 and 115.96 mg·g –1 , respectively . Mirjavadi et al reported that the magnetic zeolite/cellulose nanofibers showed high adsorption capacity for the removal rate of Zn 2+ .…”

Section: Introductionmentioning

confidence: 99%

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Preparation and Adsorption Properties of Soybean Dreg/Hydrocalumite Composites

et al. 2021

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The application of biomass-based composites in the field of adsorption has attracted extensive attention. Herein, soybean dreg/hydrocalumite composites were prepared by in situ self-assembly from soybean dregs and applied to the adsorption of Congo Red (CR). The composites were characterized by scanning electron microscopy, X-ray diffraction, Fourier infrared spectroscopy, and N2 physical adsorption–desorption. The results showed that the adsorption property of soybean dregs/hydrocalumite for CR was better than that of soybean dregs or hydrocalumite. Effects of preparation and adsorption conditions on the adsorption of CR by soybean dregs/hydrocalumite were also investigated. The removal rate of soybean dregs/hydrocalumite (30%BD-LDH) prepared under the optimized conditions reached 97.4% with a 486.8 mg·g–1 adsorption capacity. Also, the adsorption capacity of 30%BD-LDH was about 2.4 times and 3.0 times that of hydrocalumite and soybean dregs, respectively. In addition, the adsorption process of CR by 30%BD-LDH was more in line with the pseudo-second-order kinetic and Langmuir isothermal models.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Preparation and Adsorption Properties of Soybean Dreg/Hydrocalumite Composites

et al. 2021

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“…However, some studies have achieved higher efficiencies in MB removal, such as: Dotto et al (2015), with a 85% removal of the dye with shrimp residue; Ahmad and Ansari (2021), who achieved results above 88% in neutral pH, with the use of hybrid clay with modified nanocompost of chitosan; Ma et al (2016), which reached up to 90% of MB removal by using foam composed of graphene oxide/chitin; Mabel et al (2019), with an efficiency of 90% of adsorption with crustacean chitin; Lima et al (2006), with a 97% MB removal with the use of activated carbon; Jorge et al (2015), which also removed 97% of the initial concentration of MB, but with the use of sugarcane bagasse; Silva et al (2018), with a removal efficiency of 99% of MB with the use of activated charcoal of ryegrass straw. Jawad et al (2020) obtained 90% MB removal efficiency, differing in the methodology applied to the research in time and rotation parameters, from 180 minutes at 110 RPM.…”

Section: Discussionmentioning

confidence: 99%

Adsorption of methylene blue dye by different methods of obtaining shrimp residue chitin

Otto

Morselli

Bunde

et al. 2021

Rev. Bras. Ciênc. Ambient.

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The textile industry, very important for the world economy, generates an effluent containing dyes, and which, when discarded in water bodies without proper treatment, can cause impacts to human health and the environment. One of these widely used dyes is methylene blue, whose characteristics are high solubility in water and its toxic potential, and which effects range from eye irritations, nausea, vomiting and even mental confusion. Among the potential adsorbents of this dye is chitin, which is a biopolymer extracted from the shrimp exoskeleton. Aiming at the development of a low-cost adsorbent material with potential use in the textile effluent treatment industry, the ability to remove methylene blue dye by shrimp residue chitin, obtained by eleven different methodologies, was verified. The three most efficient treatments reached approximately 75% of dye removal, proving the high adsorption power of shrimp residue. In addition to providing technological development of materials, the research brings socioeconomic benefits to the fishermen’s colony with the use of shrimp residue for the adsorption of other waste from the textile industry, contributing to the sustainability of both activities and reducing the environmental impact.

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“…The desorbed equilibrium concentration (C D ) was recorded. The adsorbent was then rinsed with ultra-pure water, dried, and reused for subsequent cycle 40 .…”

Section: Thermodynamic Studiesmentioning

confidence: 99%

“…The adsorption capacity increased rapidly at the initial stage with the rise of initial concentration. This behavior can be explained by the high driving force of mass transfer resistance between the aqueous and solid phases 40 . Then, it slowly reaches the plateau as the adsorption sites were fully occupied when the concentration of CR was increased.…”

Section: Effect Of Initial Concentrationmentioning

confidence: 99%

Sustainable Synthesis of Graphene Sand Composite from Waste Cooking Oil for Dye Removal

Sani

Ang

Mohammad

et al. 2022

Preprint

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Waste cooking oil (WCO) appears to be a potential carbonaceous source for the synthesis of graphene sand composite (GSC) adsorbent in removing pollutants. This study presents a green synthesis method of GSC using WCO as a sustainable carbon source for the synthesis of GSC through the thermal graphitization method. Characterization analysis conducted on GSCWCO verified the successful coating of WCO onto sand surface and conversion to graphene, which possessed distinct functional groups and features of graphene materials. GSCWCO adsorbent effectiveness in removing Congo Red dye through batch adsorption was studied under the influence of different initial concentrations, and the optimum pH, contact time, and temperature were investigated. The highest pollutant removal was achieved at an initial dye concentration of 20 mg L-1, 1.0 g of adsorbent dosage, a temperature of 25℃, and 150 min of contact time. The GSCWCO exhibited the maximum capacity of 5.52 mg g-1, was well-fitted to the Freundlich isotherm model, and had an adsorption mechanism that followed the pseudo-second-order kinetic model. The regeneration of GSCWCO adsorbent declined after four cycles, possibly due to the chemisorption of dyes with GSC that resulted in inefficient adsorption. Being a waste-to-wealth product, GSCWCO possessed a great potential to be used for water treatment and simultaneously benefited the environment through the effort to reduce the excessive discharge of WCO.

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Comparative study for adsorption of congo red and methylene blue dye on chitosan modified hybrid nanocomposite

Cited by 110 publications

References 72 publications

Preparation and Adsorption Properties of Soybean Dreg/Hydrocalumite Composites

Preparation and Adsorption Properties of Soybean Dreg/Hydrocalumite Composites

Adsorption of methylene blue dye by different methods of obtaining shrimp residue chitin

Sustainable Synthesis of Graphene Sand Composite from Waste Cooking Oil for Dye Removal

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