DETERMINATION OF ADSORPTION KINETICS FOR REMOVAL OF COPPER FROM WASTEWATER USING SPENT TEA EXTRACT (STE)

Author(s):  
SASTRY S.V.A.R. ◽  
RAO B. SARVA ◽  
◽  
2013 ◽  
Vol 160 (9) ◽  
pp. H568-H572 ◽  
Author(s):  
Tianbao Li ◽  
Juan Xu ◽  
Ling Zhou ◽  
Li Wang ◽  
Yuelin Sun ◽  
...  

2005 ◽  
Vol 1069 (1) ◽  
pp. 23-30 ◽  
Author(s):  
Anne Tscheliessnig ◽  
Rainer Hahn ◽  
Alois Jungbauer

1981 ◽  
Vol 59 (1) ◽  
pp. 19-26 ◽  
Author(s):  
Francis Perineau ◽  
Antoine Gaset

The aim of this investigation was to assess the possible use of sulfuric lignins for the purification of industrial liquid wastes. The adsorption of anionic (SDS), cationic (CPC), and non-ionic (NPPO) surfactants on charred plant material was carried out under various pH and temperature conditions. Ionic and hydrophobic interactions are involved in the adsorption process. The analysis of the adsorption kinetics in aqueous and alcoholic media allowed the mode of adsorption to be characterized. The plot of the surfactant uptake against the square root of time led to the determination of the mode of diffusion. The effect of the chain length of alkylsulfates on their adsorption corroborated the involvement of hydrophobic interactions and could be correlated with the values of their cmc.


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