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Removal of a cationic dye, methylene blue, from water by cotton stem ash as a novel adsorbent

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Title Removal of a cationic dye, methylene blue, from water by cotton stem ash as a novel adsorbent
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Creator Rakesh Kumar Ghosh, D. Damodar Reddy, Deb Prasad Ray
 
Subject Cotton stem ash, methylene blue, adsorption kinetics, mechanism, isotherm
 
Description Not Available
In search of an efficient and no-cost adsorbent for removal of methylene blue (MB) from water, cotton stem ash (CSA) was evaluated. The effect of process variables, namely, contact time, solution pH and adsorbent dose on adsorption of MB onto CSA were investigated. The adsorption kinetics and mechanism were tested with pseudo-first order and pseudo-second order model, and with intraparticle diffusion model, respectively. Based on error analysis (chi-square and percent sum of error) the suitability order of adsorption isotherms was Langmuir>Temkin>Freundlich>Jovanoic. The maximum adsorption capacity of CSA was 20.42 mg g-1. The feasibility parameter and free energy change were also calculated. The present study demonstrated that the CSA could be used as a potential, efficient, low-cost, and easily available adsorbent for the treatment of MB containing industrial wastewater.
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Date 2021-06-01T07:15:54Z
2021-06-01T07:15:54Z
2016
 
Type Journal
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/47089
 
Language English
 
Relation Not Available;
 
Publisher New Delhi Publishers