Kinetics, Thermodynamics and Isotherm studies on Adsorption of Eriochrome Black-T from aqueous solution using Rutile TiO<sub>2</sub>

Priyadarshini, B.; Rath, Pragyan Parimita; Behera, Saroj Sekhar; Panda, Smita Rani; Sahoo, Tapas Ranjan; Parhi, Pankaj Kumar

doi:10.1088/1757-899x/310/1/012051

Cited by 19 publications

(13 citation statements)

References 24 publications

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“…Adsorption increased with increase in agitation speed and was maximum at 120 RPM (% adsorption = 94.12 ± 0.11). Maximum adsorption of Eriochrome Black-T by titanium oxide was observed at agitation speed of 200 RPM [ 33 ]. EPS produced by Lactobacillus plantarum also showed increase in adsorption of methylene blue on increase in agitation speed from 0 to 100 RPM [ 9 ].…”

Section: Resultsmentioning

confidence: 99%

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Miyar¹,

Pai²,

Goveas³

2021

Heliyon

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Use of novel biological materials as adsorbents for removal of xenobiotics is gaining significance owing to their exceptional advantages. An extracellular polymeric substance (EPS) produced by Lysinibacillus sp. SS1 had rough porous surface as observed by SEM analysis. Adsorption ability of EPS was estimated against various textile dyes such as Malachite Green (MG), Methyl Orange, Congo Red and Coomassie Blue. About 82% of MG (100 mg/L) was adsorbed onto 2.5 mg EPS within 30 min. Effect of MG concentration, EPS weight, agitation speed and incubation time on adsorption, studied by one factor at a time approach, revealed that adsorption was influenced by all factors. Maximum adsorption of 99.01 ± 0.61% was achieved at 100 mg/L MG, 10 mg EPS, 120 RPM in 75 min with maximum adsorption capacity of 247.5 mg/g. Kinetics was affected by MG and EPS amounts, with shift from pseudo first to pseudo second order with increase in concentration. Adsorption of MG by EPS of Lysinibacillus sp. SS1 was identified as unilayer chemisorption as it followed Langmuir isotherm with maximum adsorption capacity ( Q m ) of 178.57 mg/g ( R 2 = 0.9889). This is the first report on potential of EPS produced by Lysinibacillus sp. SS1 as novel biodegradable adsorbent with high efficacy of MG removal from aqueous solutions.

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Section: Resultsmentioning

confidence: 99%

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Miyar¹,

Pai²,

Goveas³

2021

Heliyon

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“…is suggested that the surface of CNC and MA-CNC adsorbents was heterogeneous and physically compatible with monolayer adsorption and the adsorption process was favorable. Moreover, strong electrostatic interactions were formed between the Cd(II) ions and the surfaces of adsorbents [60]. e favorability of the uptake process was due to the n value that lies between 1 and 10, and the strong interactions between the adsorbates and surfaces of the adsorbents were due to the fact that 1/ n < 1. e fundamental nature of the Langmuir model could be also determined by a dimensionless equilibrium parameter (R L ), and its value was calculated by using equation (6).…”

Section: Adsorption Isothermsmentioning

confidence: 99%

Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose

Kara

Anshebo

Sabir

2021

Journal of Nanotechnology

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In this study, both pristine cellulose nanocrystalline (CNC) and maleic anhydride functionalized cellulose nanocrystalline (MA-CNC) were prepared from the stems of Eichhornia crassipes weed by the sulfuric acid hydrolysis method. The as-prepared adsorbents were characterized by using X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy-dispersive X-ray (EDX), and Brunauer–Emmett–Teller (BET) instruments. These materials were applied for the removal of Cd(II) ions from WW. The uptake mechanism was fixed to both Langmuir and Freundlich adsorption isotherms with a maximum Cd(II) ion uptake capability (qmax) of 75.76 and 215.52 mg g−1 by CNC and MA-CNC adsorbents, respectively. Pseudo-second-order (PSO) kinetic model was well fitted to the uptake process. The adsorbent regeneration study was done after desorption of Cd(II) ions from the adsorbent by HCl washing. Results exhibited that the adsorbent was reused for the removal of Cd(II) ions from real WW after successive 13th cycle.

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“…Metal oxides are important in a variety of chemistry, physical, and material science domains (Maier 1990;Henrich & Cox 1994;Noguera 1996;Fernández-García et al 2004;Rodríguez & Fernández Garcia 2007;Wells 2012;Arora 2018;Priyadarshini et al 2018). Researchers are increasingly interested in metal oxides and their different physical, magnetic, optical, and chemical properties, as these are extremely sensitive to change in composition and structure.…”

Section: Advantage Of Metal Oxides As Adsorbentsmentioning

confidence: 99%

Review on some metal oxide nanoparticles as effective adsorbent in wastewater treatment

Ghosh

Das

Biswas

et al. 2022

Water Science and Technology

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Water contamination has turned into one of the most serious issues in the world. Nanomaterials are proficient to carry away heavy metals, and organic and inorganic dyes, pesticides, small molecules from polluted water. In this regard, nanoparticle has gained much attention due to their extraordinary properties compared to bulk materials. Metal oxide nanoparticles and nanocomposites have several advantages such as elevated surface area, low concentration, easily separable after treatment and so on. Among many feasible techniques, the adsorption process is one of the most useful techniques for leaving heavy ions and dyes from wastewater and gained large attention from researchers. Several studies on metal oxide nanoparticles and their use in wastewater treatment have been published in the literature. This chapter gives an outline about five metal-oxide based nanomaterials, nanocomposites as well as their applications in water pollution removal where the efficiency, limits and favorable circumstances are compared and explored. This article surely helps to gather information about some metal oxides nanoparticles and nanocomposites in wastewater treatment by the adsorption technique. In this review article, we primarily focused on five metal oxide nanoparticles and some of their recent applications published in the last two years.

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Kinetics, Thermodynamics and Isotherm studies on Adsorption of Eriochrome Black-T from aqueous solution using Rutile TiO₂

Cited by 19 publications

References 24 publications

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose

Review on some metal oxide nanoparticles as effective adsorbent in wastewater treatment

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Kinetics, Thermodynamics and Isotherm studies on Adsorption of Eriochrome Black-T from aqueous solution using Rutile TiO2

Cited by 19 publications

References 24 publications

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Adsorption of Malachite Green by extracellular polymeric substance of Lysinibacillus sp. SS1: kinetics and isotherms

Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose

Review on some metal oxide nanoparticles as effective adsorbent in wastewater treatment

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Product

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Kinetics, Thermodynamics and Isotherm studies on Adsorption of Eriochrome Black-T from aqueous solution using Rutile TiO₂