R. Sangeetha

Annamalai University

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M. Rajasimman

Annamalai University

N. Krishnaveni

Indian Institute of Information Technology Allahabad

P. Lalitha

Anna University, Chennai

N. Rajalakshmi

International Advanced Research Centre for Powder Metallurgy and New Materials

P. N. Karthik

Indian Institute of Technology Hyderabad

M. NagoorMeeran

Dhanabalan Nallathambi

J. Geethapriya

D. Barathi

S. Meyvel

Cooperative Institutions

Annamalai University

Anna University, Chennai

Indian Institute of Technology Madras

Indian Institute of Science Bangalore

Bharathidasan University

Avinashilingam University

International Advanced Research Centre for Powder Metallurgy and New Materials

Karpagam Academy of Higher Education

Research Institute of Health Sciences

Engineers India (India)

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Effectiveness of an economic adsorbent in the adsorption ofmethylene blue from an industrial dyeing effluent

Advances in Applied Science Research (2011)

N. Krishnaveni R. Sangeetha P. Lalitha

An low-cost and eco-friendly activated carbon from the fruits of Mimusops Elengi ( Makhizam Poo ) has been used in this study to remove methylene blue from an industrial dyeing effluent . The effect of variation of initial concentration of dye solution on the adsorption of dye from an industrial effluent, the optimum contact time for effective adsorption of dye has been studied and compared with that of commercially available activated carbon. The applicability of adsorption isotherms to study the adsorption behaviour has also been analyzed. An increase in the percentage removal of methylene blue from 35.7 to 63.3% with ACM in 180 minutes of agitation time was noted when the initial concentration of methylene blue obtained from a dyeing industrial effluent was varied from 1000 to 600mg/L. The favourable value of RL in the Langmuir adsorption data shows the feasibility of the adsorption process.

Methylene blue

Langmuir adsorption model

Industrial effluent

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Solute self-assembly on hydrophobic surface

R. Sangeetha

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Kinetics of the adsorption of methylene blue from an industrial dyeing effluent onto activated carbon prepared from the fruits of Mimusops Elengi

Archives of applied science research (2011)

N. Krishnaveni R. Sangeetha P. Lalitha

The present paper deals with the kinetics of the adsorption of methylene blue from an industrial effluent onto activated carbon prepared from a cheap source- fruits of Mimusops elengi. The rate constants for the adsorption of methylene blue dye were determined using Lagergren rate equation, Intraparticle diffusion rate equation and Elovich rate equation. Commercially available activated carbon was used for comparative purpose. The results of the study show that the adsorption process followed first order kinetics and that the economic adsorbent can be successfully employed in the removal of dyes from effluents. The applicability of the foresaid rate equations is also well evident.

Methylene blue

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Green fabricated NiO spherical nanoparticles for photocatalytic assays of textile dye degradation

Journal of the Indian Chemical Society (2025)

Dhanabalan Nallathambi R. Sangeetha J. Geethapriya M. NagoorMeeran

Degradation

Non-blocking I/O

Textile

10.1016/j.jics.2025.101580

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