Adsorption of Methylene Blue from aqueous solutions using <i>Tamarindus indica</i>

Vijetha, P.; Naidu, M. Ramesh; Satyasree, N.; Reddy, P. Rajasekhar

doi:10.5958/0974-360x.2017.00452.8

Cited by 3 publications

(1 citation statement)

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“…Activated carbon has been a conventional adsorbent used for wastewater treatment because of its high porosity and surface area. However, activated carbon as an adsorbent has some disadvantages such as the high cost of production, and regeneration, especially in large-scale applications, and is not readily available [8]. To overcome these drawbacks, different agriculture-based waste products have been explored by researchers as an alternative low-cost adsorbent such as black tea…”

Section: Introductionmentioning

confidence: 99%

Kinetics and Thermodynamics of Sorption of Methylene Blue Dye Onto Raw Groundnut Shell Biosorbent

Muzakir,

Joshua

2023

J Environ Bioremed Toxicol

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Dyes are one of the hazardous chemicals found in wastewater produced by textile and allied industries that need to be removed from the wastewater before it is released into water bodies. The sorption efficiency of raw groundnut shell (RGS), an agricultural waste, was tested on methylene blue (MB) dye through a batch adsorption experiment. Physicochemical analysis of the RGS indicated good biosorbent properties. Fourier transform infrared (FTIR) spectroscopy analysis of the RGS revealed the presence of heterofunctional groups. The effect of various biosorption parameters such as initial dye concentration, contact time, and biosorbent dosage was systematically investigated. The quantity of MB adsorbed increased as the initial concentration and contact time increased and decreased with an increase in biosorbent dose. A maximum uptake capacity of 29.3 mg/g was recorded for 50 mg/L MB initial concentration. The equilibrium data from the batch adsorption experiments were fitted well into Freundlich isotherm and pseudo-second-order kinetic models. The results from this study indicate that RGS can serve as an alternative, low-cost, eco-friendly and efficient adsorbent for the removal of MB dye from wastewater.

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Section: Introductionmentioning

confidence: 99%

Kinetics and Thermodynamics of Sorption of Methylene Blue Dye Onto Raw Groundnut Shell Biosorbent

Muzakir,

Joshua

2023

J Environ Bioremed Toxicol

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Characterization and application of natural Moroccan material for methyl violet 2B dye removal from aqueous solution

rharib,

Hamidallah,

Zaroual

et al. 2023

Environ Sci Pollut Res

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Spectroscopic method for the quantification of residue of Tetramethylthionine chloride on swab from manufacturing equipment in support of cleaning validation

Malviya

Maheshwari

Rathore

2022

RJPT

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Tetramethylthionine chloride is approved by the FDA for the treatment of paediatric and adult patients with acquired methaemoglobinaemia. The objective of this research was to develop and validate an Ultraviolet (UV) spectrophotometric method for quantification of Tetramethylthionine chloride in cleaning control swab sample from manufacturing equipment surfaces. Simple, accurate and cost efficient spectrophotometric method has been developed for the estimation and quantification of Tetramethylthionine chloride which is going to be used for the evaluation of cleaning in cleaning validation. The optimum conditions for the quantitative analysis of the drugs were established. The maximum wavelength (λmax) was found to be 663nm. The percent recovery of Tetramethylthionine chloride for 50.0%, 100.0% and 150.0% were 99.13, 97.76 and 101.18 respectively. Linearity of Tetramethylthionine chloride for Validation showed a good linear relationship with Correlation Coefficient (r2) value of 0.999 was obtained. Validation was performed according to the ICH guidelines of Analytical Method Validation. The Sample Solution was chemically stable up to 36 hours. The proposed may be suitable for the Estimation and Quantification of Tetramethylthionine chloride for evaluation of cleaning in cleaning validation for quality control purposes.

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Adsorption of Methylene Blue from aqueous solutions using Tamarindus indica

Cited by 3 publications

References 0 publications

Kinetics and Thermodynamics of Sorption of Methylene Blue Dye Onto Raw Groundnut Shell Biosorbent

Kinetics and Thermodynamics of Sorption of Methylene Blue Dye Onto Raw Groundnut Shell Biosorbent

Characterization and application of natural Moroccan material for methyl violet 2B dye removal from aqueous solution

Spectroscopic method for the quantification of residue of Tetramethylthionine chloride on swab from manufacturing equipment in support of cleaning validation

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