Biosorption of copper (II) onto immobilized cells of Pycnoporus sanguineus from aqueous solution: Equilibrium and kinetic studies

Yahaya, Yus Azila; Don, Mashitah Mat; Bhatia, S.

doi:10.1016/j.jhazmat.2008.03.104

Cited by 145 publications

(63 citation statements)

References 59 publications

(69 reference statements)

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“…To describe heavy metal biosorption kinetics, pseudo first and second order equations as well as an intraparticle diffusion equation have been commonly applied [18][19][20][21]. However in many studies of bivalent metal ion sorption a second order kinetic model adequately described the experimental data [18][19][20].…”

Section: Resultsmentioning

confidence: 99%

Removal of cadmium and copper ions by Trichosporon cutaneum R57 cells immobilized onto polyvinyl alcohol/tetraethoxysilane hybrid matrices

2010

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Section: Resultsmentioning

confidence: 99%

Removal of cadmium and copper ions by Trichosporon cutaneum R57 cells immobilized onto polyvinyl alcohol/tetraethoxysilane hybrid matrices

2010

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“…Erşan, Bağda and Bağda (2013) obtained similar results in the adsorption process of tetracycline onto cryogels. It is discussed in some reports that the increased adsorbent amount can prevent over adsorption of adsorbates by adsorbents that is known as "screening effect" (Yahaya, Don, & Bhatia 2009;Erşan et al, 2013). The effect of ionic strength by varying the concentration of NaCl in tetracycline solution was also investigated.…”

Section: Optimization Of Adsorption Process By Ptpomentioning

confidence: 99%

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Donut¹,

Çavaş²

2017

Turk. J. Fish. Aquat. Sci.

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Importance of the artificial intelligence in the chemical processes has been increased in the recent studies. Although biosorption is widely studied topic in chemistry, modelling of biosorption data is based on very old equations. However, use of artificial intelligence in the biosorption based studies can give important clues to researchers. For this purpose, the biosorption of tetracycline by using Posidonia oceanica from the Mediterranean Sea was studied in this study. According to classical evaluation, the data were well in line with pseudo-second order kinetic and Langmuir's isotherm. In the artificial neural network modelling, the best back propagation algorithm, optimum number of hidden neuron and optimum training:validation:testing ratio were found as Bayesian Regulation, 16 and 70:10:20, respectively. In conclusion, P. oceanica based marine waste can be used in the development of high performance biosorbents for environmental pollutants. However, it should not be forgotten that P.oceanica is a threatened species; therefore, only dead leaves accumulated in recreational area should be collected and evaluated based on the permissions of governmental authorities. The results also exhibited that artificial neural network can also be used in the modelling of the biosorption data in which it helps scientists to estimate biosorption ratio correctly under various conditions.

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“…The uptake increased with change in initial pH from 3 to 5.3 for both the biosorbents. Sim- Yahaya et al 2009). Experiments were restricted to pH 5.3 as at higher pH copper precipitates out in the form of insoluble copper hydroxide.…”

Section: Effect Of Phmentioning

confidence: 99%

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2012

WATER

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SummaryRemoval of Cu 2+ from aqueous solution by onion skin and garlic skin was studied as a function of various experimental parameters. FTIR analysis and Boehm titration were used to identify and estimate the surface functional groups. Point of zero charge for the onion and garlic skin was between 4.25 to 4.45 and 4.55 to 4.75 respectively. Compared to garlic skin (66.7 mg/g), the maximum adsorption capacity of onion skin (76.9 mg/g) was slightly higher (pH = 5.3, T = 303K). The pseudo second order kinetic model fitted the batch data adequately. The rate constant for onion and garlic scale in the absence of diffusional resistance was estimated to be 0.07 and 0.075 mg/g/min respectively at 303 K. The thermodynamic studies showed that the Cu 2+ adsorption on the onion and garlic skin was spontaneous and endothermic.

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Biosorption of copper (II) onto immobilized cells of Pycnoporus sanguineus from aqueous solution: Equilibrium and kinetic studies

Cited by 145 publications

References 59 publications

Removal of cadmium and copper ions by Trichosporon cutaneum R57 cells immobilized onto polyvinyl alcohol/tetraethoxysilane hybrid matrices

Removal of cadmium and copper ions by Trichosporon cutaneum R57 cells immobilized onto polyvinyl alcohol/tetraethoxysilane hybrid matrices

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