Biosorption of Cu(II) from aqueous solution onto immobilized Ficus religiosa branch powder in a fixed bed column: Breakthrough curves and mathematical modeling

2018 ◽  
Vol 36 (1) ◽  
pp. 48-55
Author(s):  
Madiha Tariq ◽  
Umar Farooq ◽  
Makshoof Athar ◽  
Muhammad Salman ◽  
Muqaddas Tariq
Keyword(s):  
Mathematical Modeling ◽  
Aqueous Solution ◽  
Fixed Bed ◽  
Breakthrough Curves ◽  
Ficus Religiosa ◽  
Fixed Bed Column

scholarly journals Mathematical modeling and experimental breakthrough curves of cephalosporin C adsorption in a fixed-bed column

2011 ◽  
Vol 46 (6) ◽  
pp. 1270-1277 ◽  
Author(s):  
Carlos André V. Burkert ◽  
Geraldo N.O. Barbosa ◽  
Marcio A. Mazutti ◽  
Francisco Maugeri
Keyword(s):  
Mathematical Modeling ◽  
Fixed Bed ◽  
Breakthrough Curves ◽  
Cephalosporin C ◽  
Fixed Bed Column

Continuous biosorption of nickel from aqueous solution using Chrysanthemum indicum derived biochar in a fixed-bed column

2017 ◽  
Vol 76 (7) ◽  
pp. 1895-1906 ◽  
Author(s):  
Sowmya Vilvanathan ◽  
S. Shanthakumar
Keyword(s):  
Aqueous Solution ◽  
Metal Ion ◽  
Fixed Bed ◽  
Breakthrough Curves ◽  
Ion Concentration ◽  
Column Studies ◽  
Nickel Ion ◽  
Fixed Bed Column ◽  
Nickel Ions ◽  
Chrysanthemum Indicum

The biosorption capability of Chrysanthemum indicum to remove nickel ions from aqueous solution in a fixed-bed column was examined in this study. Native C. indicum flower waste was improved for its biosorptive potential by pyrolysis to obtain its biochar form and, thereby, both raw (CIF-R) and biochar (CIF-BC) forms of the flower were used for Ni(II) removal. Fixed bed column studies were conducted to examine the influence of bed height (1.0–3.0 cm), flow rate (1.0–5.0 mL min−1) and initial metal ion concentration (25–75 mg L−1). The breakthrough curves (Cout/Cin vs time) were modelled using different dynamic adsorption models, viz. Adams-Bohart, Thomas and Yoon-Nelson model. Interpretation of the data revealed a favorable correlation with the Thomas model with higher R2 values and closer model-predicted and experimental biosorption capacity values. The equilibrium uptake capacity of CIF-R and CIF-BC for Ni(II) were found to be 14.02 and 29.44 mg g−1, respectively. Further, the column was regenerated using HCl as eluent, to desorb the adsorbed Ni(II) ions. The experimental results implied and affirmed the suitability of the biosorbents for nickel ion biosorption with its nature being favorable, efficient, and environmentally friendly.

Removal of nickel(II) ions from aqueous solution by biosorption in a fixed bed column: Experimental and theoretical breakthrough curves

2006 ◽  
Vol 30 (2) ◽  
pp. 184-191 ◽  
Author(s):  
C.E. Borba ◽  
R. Guirardello ◽  
E.A. Silva ◽  
M.T. Veit ◽  
C.R.G. Tavares
Keyword(s):  
Aqueous Solution ◽  
Fixed Bed ◽  
Breakthrough Curves ◽  
Fixed Bed Column

Investigations on the Fixed-Bed Column Performance of Acid Brown 75 Adsorption by Surface Modified Fly Ash Granules

2014 ◽  
Vol 931-932 ◽  
pp. 241-245
Author(s):  
Chayada Pansuk ◽  
Soydoa Vinitnantharat
Keyword(s):  
Aqueous Solution ◽  
Fly Ash ◽  
Fixed Bed ◽  
Breakthrough Curves ◽  
Characteristic Parameters ◽  
Feed Concentration ◽  
Fixed Bed Column ◽  
Bed Height ◽  
Lignite Fly Ash ◽  
Surface Modified

Adsorption potential of surface modified granule (SM-G) to remove acid brown 75 (AB 75) from aqueous solution was investigated using fixed-bed column mode. To produce SMG, lignite fly ash was agglomerated into porous granules by an extruder at 800°C and surfacemodified with a cationic surfactant, Hexadecyltrimetylammonium Bromide (HDTMABr). The performance of the fixed-bed column was evaluated to assess the effect of various process variables, viz., of bed height, flow rate and initial feed concentration on breakthrough time and adsorption capacity. The bed depth service time (BDST) model was applied to the data for predicting breakthrough curves and to determine the characteristic parameters. The highest experimental and theoretical bed capacities were obtained to be 55.3 mg of AB 75 adsorbed per gram of SM-G. The results indicated that the SM-G is a suitable adsorbent for the removal of AB 75 from aqueous solution.

Biosorption of Congo red in a fixed-bed column from aqueous solution using jujube shell: Experimental and mathematical modeling

2016 ◽  
Vol 4 (4) ◽  
pp. 3848-3855 ◽  
Author(s):  
Noureddine El Messaoudi ◽  
Mohammed El Khomri ◽  
Abdellah Dbik ◽  
Safae Bentahar ◽  
Abdellah Lacherai ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Aqueous Solution ◽  
Congo Red ◽  
Fixed Bed ◽  
Fixed Bed Column

Breakthrough analysis for hexavalent chromium removal from drinking water in a fixed bed column

2009 ◽  
Vol 9 (6) ◽  
pp. 661-670 ◽  
Author(s):  
S. P. Dubey ◽  
K. Gopal
Keyword(s):  
Aqueous Solution ◽  
Hexavalent Chromium ◽  
Fixed Bed ◽  
Entropy Change ◽  
Spectroscopic Technique ◽  
Fixed Bed Column ◽  
Chromium Vi ◽  
Fixed Bed Adsorption ◽  
Optimal Column ◽  
Eucalyptus Bark

The activated carbon of Eucalyptus globulus was tested for their effectiveness in removing hexavalent chromium from aqueous solution using column experiments. Result revealed that adsorption of chromium(VI) on eucalyptus bark carbon was endothermic in nature. Thermodynamic parameters such as the entropy change, enthalpy change and Gibbs free energy change were found to be 1.39 kJ mol−1 K−1, 1.08 kJ mol−1 and −3.85 kJ mol−1, respectively. Different chromium concentrations were used for the fixed bed adsorption studies. The pre- and post-treated adsorbents were characterized using a FTIR spectroscopic technique. It was concluded that Eucalyptus bark carbon column could be used effectively for removal of hexavalent chromium from aqueous solution at optimal column conditions. This study showed that this biological material is potential adsorbent of Cr(VI) from water.

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