Document Detail

Flocculation behaviour of model textile wastewater treated with a food grade polysaccharide.
MedLine Citation:
PMID:  15721546     Owner:  NLM     Status:  MEDLINE    
In this study, the application of a food grade polysaccharide namely Plantago psyllium mucilage has been assessed for the removal of dyes from model textile wastewater containing golden yellow (C.I. Vat Yellow 4) and reactive black (C.I. Reactive Black 5). A series of contact time experiments were conducted to assess the system variables such as concentrations of mucilage and dyes and pH. This mucilage reduces the dye concentration by flocculation and settling. The optimal flocculant concentration required to affect flocculation is independent of dye concentration within the range examined. The dye removal obtained was influenced by the salts concentrations in the wastewater sample. The flocculation efficiency was sensitive to pH when pure aqueous solutions of dyes were used, but it was relatively unaffected by pH change when salts were added to the dye solutions. The experimental results show that the mucilage is more effective for removal of solubilised vat dye than for reactive black.
Anuradha Mishra; Malvika Bajpai
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hazardous materials     Volume:  118     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2005 Feb 
Date Detail:
Created Date:  2005-02-21     Completed Date:  2005-06-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  213-7     Citation Subset:  IM    
Department of Chemistry, University Institute of Engineering and Technology, CSJM University, Kanpur 208024, India.
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MeSH Terms
Coloring Agents / chemistry
Hydrogen-Ion Concentration
Naphthalenesulfonates / chemistry*,  isolation & purification
Plantago / chemistry*
Polysaccharides / chemistry*
Textile Industry*
Waste Disposal, Fluid / methods*
Water Purification / methods
o-Aminoazotoluene / chemistry*,  isolation & purification
Reg. No./Substance:
0/Coloring Agents; 0/Naphthalenesulfonates; 0/Polysaccharides; 17095-24-8/Remazol black B; 97-56-3/o-Aminoazotoluene

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