Adsorption of phenol on formaldehyde-pretreated Pinus pinaster bark: Equilibrium and kinetics

Vázquez, G.; González‐Álvarez, Julia; García, Agustín Merino; Freire, M. Sonia; Antorrena, G.

doi:10.1016/j.biortech.2006.06.024

Cited by 62 publications

(30 citation statements)

References 19 publications

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“…as a cost-efficient substitute for activated carbon as adsorbent for anthropogenic contaminants, e.g., dye (Leitch et al, 2006), phenol (Vázquez et al, 2007), heavy metal ions (Vázquez et al, 1994) and metolachlor (Grey et al, 1996). Gendrault et al (2005) observed high adsorption of atrazine onto pine bark.…”

Section: Substrate Selectionmentioning

confidence: 96%

Concurrent nitrate and atrazine retention in bioreactors of straw and bark mulch at short hydraulic residence times

Camilo

Matzinger

Litz

et al. 2013

Ecological Engineering

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Section: Substrate Selectionmentioning

confidence: 96%

Concurrent nitrate and atrazine retention in bioreactors of straw and bark mulch at short hydraulic residence times

Camilo

Matzinger

Litz

et al. 2013

Ecological Engineering

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“…Some other researchers have also replaced C S instead of P S , but they used C S as an adjustable parameter and have calculated it by fitting the BET isotherm equation to the experimental data (Edgehill and (Max) Lu 1998;Vazquez et al 2007). In this case, the BET isotherm equation will have three degrees of freedom and contrary to the case of considering C S as a known constant; a good fit of the experimental data will be obtained.…”

Section: Introductionmentioning

confidence: 93%

What is the correct form of BET isotherm for modeling liquid phase adsorption?

2009

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In this work subtleties of application of BET isotherm for liquid phase adsorption is presented. It has been shown that direct use of the classical BET equation (which was developed for gas phase adsorption) to liquid phase adsorption leads to ambiguous and erroneous results. Some cases of misuse of BET equation for liquid phase adsorption have been revisited. By close examination of the development of the classical equation, the causes of misunderstandings were elucidated and the suitable form of the BET equation for liquid phase adsorption was developed. As case studies, the classical form of the BET equation along with the correct form of the equation for liquid phase have been applied for modeling liquid phase adsorption of methyl tertbutyl ether (MTBE) on perfluorooctyl alumina, phenol on activated carbon and pentachlorophenol on carbonized bark. It has been shown that direct application of the classical BET isotherm to liquid phase adsorption results in poor and erroneous estimation of the equation parameters. For example, in aqueous phase adsorption of MTBE on perfluorooctyl alumina, the monolayer adsorption capacity of the adsorbent was calculated as 9.7 mg/g instead of 3.3 mg/g or the saturation concentration of MTBE in water was calculated as 1212 mg/L instead of 42000 mg/L.

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“…The adsorption efficiency is governed by characteristics of adsorbate and adsorbent. Therefore, it is very important to choose the appropriate adsorbent [2,7]. The formaldehyde is not efficiently removed by the conventional activated carbon.…”

Section: Introductionmentioning

confidence: 99%