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Kinetics and equilibrium studies for methylene blue removal from simulated wastewater effluents using agricultural waste, Parthenium hysterophorus L.

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Title Kinetics and equilibrium studies for methylene blue removal from simulated wastewater effluents using agricultural waste, Parthenium hysterophorus L.
 
Creator Chopra, Indu
Singh, Pradeep Kumar
Singh, Shashi Bala
 
Subject Adsorption
Methylene blue
Equilibrium studies
Pseudo-second-order kinetics
 
Description 274-282
Batch adsorption experiments have been carried out for the removal of cationic dye, methylene blue from aqueous solutions by using Parthenium hystrophorous L. as biosorbent. The effect of major variables such as pH, initial concentration, adsorbent dose and contact time has been investigated for the sorption of methylene blue on the low cost adsorbent. Equilibrium data were fitted in Freundlich, Langmuir and Temkin isotherm models and their constants are determined. The data could best be explained by Freundlich isotherm with maximum adsorption capacity (qo) of 40.79mgg-1. Kinetic modeling for methylene blue adsorption is done using pseudo-first-order, pseudo-second-order and intraparticle diffusion models. It is found that the pseudo-second-order kinetic model most appropriately described the adsorption kinetics. The result indicates that the weed biomass can effectively be used for methylene blue removal from simulated aqueous solutions.
 
Date 2020-10-15T06:50:36Z
2020-10-15T06:50:36Z
2020-07
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscair.res.in/handle/123456789/55495
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJCT Vol.27(4) [July 2020]