Sorption of Cr (VI) onto Olive Stone in a Packed Bed Column: Prediction of Kinetic Parameters and Breakthrough Curves

2010 ◽  
Vol 136 (12) ◽  
pp. 1389-1397 ◽  
Author(s):  
M. A. Martín-Lara ◽  
F. Hernáinz ◽  
G. Blázquez ◽  
G. Tenorio ◽  
M. Calero
Keyword(s):  
Kinetic Parameters ◽  
Packed Bed ◽  
Breakthrough Curves ◽  
Packed Bed Column ◽  
Olive Stone

Effect of the Acid Treatment of Olive Stone on the Biosorption of Lead in a Packed-Bed Column

2010 ◽  
Vol 49 (24) ◽  
pp. 12587-12595 ◽  
Author(s):  
Mónica Calero de Hoces ◽  
Gabriel Blázquez García ◽  
Alicia Ronda Gálvez ◽  
María Ángeles Martín-Lara
Keyword(s):  
Acid Treatment ◽  
Packed Bed ◽  
Packed Bed Column ◽  
Olive Stone

scholarly journals Packed bed column studies for the removal of dyes using novel sorbent

2013 ◽  
Vol 19 (4) ◽  
pp. 461-470 ◽  
Author(s):  
R. Rajeshkannan ◽  
M. Rajasimman ◽  
N. Rajamohan
Keyword(s):  
Flow Rate ◽  
Fixed Bed ◽  
Packed Bed ◽  
Breakthrough Curves ◽  
Column Studies ◽  
Packed Bed Column ◽  
Bdst Model ◽  
Tamarind Seed ◽  
Acid Blue ◽  
Good Agreement

A continuous fixed bed study was carried out by using tamarind seed as a sorbent for the removal of malachite green (MG) and acid blue 9(AB9) from aqueous solution. The effect of factors, such as flow rate and bed depth was studied. Data confirmed that the breakthrough curves were dependent on flow rate and bed depth. Thomas, Adams-Bohart, and Yoon-Nelson models were applied to experimental data to predict the breakthrough curves using non-linear regression and to determine the characteristic parameters of the packed bed column. Bed depth/service time analysis (BDST) model was used to express the effect of bed depth on breakthrough curves. The results showed that Thomas model was found suitable for the normal description of breakthrough curve at the experimental condition, while Adams-Bohart and Yoon-Nelson model were able to explain only the initial part of dynamic behaviour of the tamarind seed column. The data were in good agreement with BDST model. It was concluded that the tamarind seed can be effectively used as a sorbent for the removal of dyes.

scholarly journals Removal of Chlorinated Chemicals in H2Feedstock Using Modified Activated Carbon

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Prapaporn Luekittisup ◽  
Visanu Tanboonchauy ◽  
Jitlada Chumee ◽  
Somrudee Predapitakkun ◽  
Rattanawan W. Kiatkomol ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Adsorption Capacity ◽  
Space Velocity ◽  
Packed Bed ◽  
Breakthrough Curves ◽  
Velocity Range ◽  
Modified Activated Carbon ◽  
Packed Bed Column ◽  
Nelson Model ◽  
Weight Hourly Space Velocity

Activated carbon (GAC) was impregnated by sodium and used as adsorbent to remove chlorinated hydrocarbon (CHC) gases contaminated in H2feedstock. The adsorption was carried out in a continuous packed-bed column under the weight hourly space velocity range of 0.8–1.0 hr−1. The adsorption capacity was evaluated via the breakthrough curves. This modified GAC potentially adsorbed HCl and VCM of 0.0681 gHCl/gadsorbentand 0.0026 gVCM/gadsorbent, respectively. It showed higher adsorption capacity than SiO2and Al2O3balls for both organic and inorganic CHCs removal. In addition, the kinetic adsorption of chlorinated hydrocarbons on modified GAC fit well with Yoon-Nelson model.

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