Document Detail


Optimization, equilibrium and kinetics studies on sorption of Acid Blue 9 using brown marine algae Turbinaria conoides.
MedLine Citation:
PMID:  20148288     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In the present study, the parameters, temperature, adsorbent dose, contact time, adsorbent size and agitation speed were optimized for Acid Blue 9 removal from aqueous medium by using response surface methodology (RSM). The optimum conditions for maximum removal of Acid Blue 9 from an aqueous solution of 100 mg/l were found as follows: temperature (33 degrees C), adsorbent dose (3 g/l), contact time (225 min), adsorbent size (85 mesh (0.177 mm)) and agitation speed (226 rpm). At these optimized conditions, batch adsorption experiments were conducted to study the effect of pH and initial dye concentration for the removal Acid Blue 9 dye. Kinetic and equilibrium studies were carried out for the experimental results. From the kinetic studies it was found that pseudo second order model suits the system well. From the equilibrium studies, the Freundlich and Redlich-Peterson isotherm fit the data well.
Authors:
R Rajeshkannan; M Rajasimman; N Rajamohan
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-02-11
Journal Detail:
Title:  Biodegradation     Volume:  21     ISSN:  1572-9729     ISO Abbreviation:  Biodegradation     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-08-04     Completed Date:  2010-11-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9100834     Medline TA:  Biodegradation     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  713-27     Citation Subset:  IM    
Affiliation:
Department of Chemical Engineering, Annamalai University, Annamalai Nagar, Tamil Nadu, India. kannan_vrr007@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Adsorption
Analysis of Variance
Benzenesulfonates / chemistry,  isolation & purification*
Biodegradation, Environmental
Diffusion
Hydrogen-Ion Concentration
Kinetics
Models, Chemical
Phaeophyta / metabolism*
Seawater*
Temperature
Time Factors
Chemical
Reg. No./Substance:
0/Benzenesulfonates; 25305-78-6/brilliant blue

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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