Document Detail


Applicability of immobilized wood-rotting fungal biomass for biosorption of basic dye Alcian Blue.
MedLine Citation:
PMID:  19474503     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this study potential applicability of immobilised biomass of a wood-rotting dead macro-fungus Fomitopsis carnea are explored for the removal of the basic dye Alcian Blue. Effect of several parameters viz., temperature, pH and salt were studied in batch mode. In view of reutilization of the dye as well as the biosorbent, desorption/regeneration experiments were conducted. Desorption/regeneration studies could also be helpful in determining dye sorption mechanism. Studies indicate that the immobilized biosorbent could remove Alcian Blue efficiently. The experimental equilibrium data were modeled using the Langmuir equation. Dye uptake capacity of the biosorbent was observed to increase with rise in temperature and indicates chemisorption and/or ion exchange. The uptake was 11.1, 13.2, 16.4 and 24.2 mg/g at 10, 20, 30 and 40 degrees C respectively. Higher removal of dye was also observed at higher pH. However, increased salt concentration from 0 mmol/L to 100 mmol/L reduced from 89 to 85%. Desorption of dye could be possible up to 51% using 0.1 M hydrochloric/acetic acids and thus suggests that ion-exchange and chemisorption could be the possible dye sorption mechanism.
Authors:
N S Maurya; Atul K Mittal
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Water science and technology : a journal of the International Association on Water Pollution Research     Volume:  59     ISSN:  0273-1223     ISO Abbreviation:  Water Sci. Technol.     Publication Date:  2009  
Date Detail:
Created Date:  2009-05-28     Completed Date:  2009-07-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9879497     Medline TA:  Water Sci Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  2073-9     Citation Subset:  IM    
Affiliation:
Department of Civil Engineering, National Institute of Technology Patna, Bihar 800005, India. nityanand_m@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Adsorption
Alcian Blue / isolation & purification*
Biomass
Coloring Agents / isolation & purification
Fungi / isolation & purification*
Hydrogen-Ion Concentration
Kinetics
Sodium Chloride / pharmacology
Temperature
Wood / microbiology*
Chemical
Reg. No./Substance:
0/Coloring Agents; 12040-44-7/Alcian Blue; 7647-14-5/Sodium Chloride

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


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