scholarly journals COD and colour removal from molasses spent wash using activated carbon produced from bagasse fly ash of Matahara sugar factory, Oromiya region, Ethiopia

Water SA ◽  
2017 ◽  
Vol 43 (3) ◽  
pp. 470 ◽  
Author(s):  
Jemal F. Nure ◽  
Nurelegne T. Shibeshi ◽  
Seyoum L. Asfaw ◽  
Wim Audenaert ◽  
Stijn W.H. Van Hulle
Keyword(s):  
Activated Carbon ◽  
Fly Ash ◽  
Colour Removal ◽  
Sugar Factory ◽  
Spent Wash ◽  
Bagasse Fly Ash

Fly Ash for Colour Removal from Synthetic Dye Solutions

1999 ◽  
Vol 34 (3) ◽  
pp. 505-518 ◽  
Author(s):  
T. Viraraghavan ◽  
K.R. Ramakrishna
Keyword(s):  
Activated Carbon ◽  
Fly Ash ◽  
Granular Activated Carbon ◽  
Particle Sizes ◽  
Colour Removal ◽  
First Order ◽  
Synthetic Dye ◽  
Removal Capacity ◽  
Acid Blue ◽  
Dye Solutions

Abstract Fly ash was investigated for its ability to adsorb dyes from aqueous solutions. Batch pH, kinetic and isotherm studies were performed on a laboratory scale with synthetic dye solutions made up of four different commercial grade dyes. Fly ash samples with differing compositions and particle sizes were employed to understand the effect of fly ash composition and particle size on their dye removal capacity. The first-order rate equation by Lagergren was tested on the kinetic data, and isotherm data was analyzed for possible agreement with the Langmuir and Freundlich adsorption isotherm equations. The removal capacity of fly ash for the different dyes was compared with that of granular activated carbon under identical conditions. Results showed that fly ash exhibited reasonably good dye removals for Basic Blue 9, Acid Blue 29 and Acid Red 91, while the removals by fly ash exceeded that of granular activated carbon for Disperse Red 1. Lime content in fly ash seemed to influence dye adsorption to a significant degree — better adsorption was observed at lower particle sizes because of the increased external surface area available for adsorption. Acid Blue 29 adsorption by fly ash provided the best fit for the Lagergren first-order plot. Because high pH and heavy metals (leached from fly ash) in the treated wastewater may exceed the limits set in municipal sewer-use bylaws, engineering and economic feasibility assessment should include these aspects when considering fly ash for colour removal.

Removal of congo red from aqueous solution by bagasse fly ash and activated carbon: Kinetic study and equilibrium isotherm analyses

Chemosphere ◽  
2005 ◽  
Vol 61 (4) ◽  
pp. 492-501 ◽  
Author(s):  
Indra Deo Mall ◽  
Vimal Chandra Srivastava ◽  
Nitin Kumar Agarwal ◽  
Indra Mani Mishra
Keyword(s):  
Aqueous Solution ◽  
Activated Carbon ◽  
Fly Ash ◽  
Kinetic Study ◽  
Congo Red ◽  
Equilibrium Isotherm ◽  
Bagasse Fly Ash

Adsorptive removal of phenol by bagasse fly ash and activated carbon: Equilibrium, kinetics and thermodynamics

2006 ◽  
Vol 272 (1-2) ◽  
pp. 89-104 ◽  
Author(s):  
Vimal C. Srivastava ◽  
Mahadeva M. Swamy ◽  
Indra D. Mall ◽  
Basheswar Prasad ◽  
Indra M. Mishra
Keyword(s):  
Activated Carbon ◽  
Fly Ash ◽  
Kinetics And Thermodynamics ◽  
Adsorptive Removal ◽  
Bagasse Fly Ash

Treatment of dairy wastewater by commercial activated carbon and bagasse fly ash: Parametric, kinetic and equilibrium modelling, disposal studies

2010 ◽  
Vol 101 (10) ◽  
pp. 3474-3483 ◽  
Author(s):  
Jai Prakash Kushwaha ◽  
Vimal Chandra Srivastava ◽  
Indra Deo Mall
Keyword(s):  
Activated Carbon ◽  
Fly Ash ◽  
Dairy Wastewater ◽  
Bagasse Fly Ash
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