Adsorptive removal of copper(II) from aqueous solutions on activated carbon prepared from Tunisian date stones: Equilibrium, kinetics and thermodynamics

Bouhamed, F.; Elouear, Z.; Bouzid, Jalel

doi:10.1016/j.jtice.2012.02.011

Cited by 211 publications

(93 citation statements)

References 53 publications

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“…From this experiment, it was found that MEA biosorption was quite good and stable even at higher temperature [15,16]. Thermodynamic parameters such as Gibbs free energy change (DG o ), standard enthalpy change (DH o ) and standard entropy change (DS o ) are calculated to understand more about the effect of temperature on the biosorption.…”

Section: Effect Of Temperature and Thermodynamic Studiesmentioning

confidence: 96%

Eco-friendly treatment of textile dye from aqueous solution using encapsulated biosorbent matrix beads: kinetics and breakthrough analysis

et al. 2016

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In this study, Moringa oleifera-encapsulated alginate beads (MEA) were synthesized using Ca-alginate for the removal of anionic blue-FFS (AB-FFS) dye from an aqueous solution. The synthesized beads were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and BrunauerEmmett-Teller (BET) methods. The influences of initial pH, initial dye concentration and temperature were established in batch mode. The equilibrium biosorption obeyed both the Langmuir and Freundlich isotherm models with Q max of MEA of about 76.92 mg/g at 343 K. Based on thermodynamic data, it was found that the biosorption process was endothermic and spontaneous. Fixed bed column studies were conducted using different parameters such as flow rate and bed height of the biosorbent. The data obtained were fitted with well-established models, namely Thomas and Yoon-Nelson. Desorption of beads could be achieved by a minimum of five successive cycles without significant loss of initial dye concentration in the batch mode. Experimental results indicate that MEA appears to be a promising biosorbent material used for treating the textile wastewater.

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Section: Effect Of Temperature and Thermodynamic Studiesmentioning

confidence: 96%

Eco-friendly treatment of textile dye from aqueous solution using encapsulated biosorbent matrix beads: kinetics and breakthrough analysis

et al. 2016

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“…[40] and pseudo secondorder adsorption kinetic [41] (PSOAK) is presented by equations (2) and (3), respectively [17,23] …”

Section: Effect Of Koh Concentration On Adsorption Capacitymentioning

confidence: 99%

“…The LAIM adsorption capacity and constant were 26.67 mg/g and 0.03 L/g, respectively at 27 o C, and becoming 26.95 mg/g and 0.09 L/g, respectively at 60 o C Interesting to note that the maximum Cu(II) ions adsorption capacity by the LAFS-AC (26.95 mg/g) was higher than Cu(II) ions adsorption capacity by activated carbon prepared from biomass gasification (23.1 mg/g) [21], hazelnut husks (6.65 mg/g) [22], Australian pine cone (26.71 mg/g) [25], commercial activated carbon of Filtrasorb 200 (15.47 mg/g) [46], apricot stone (22.8 mg/g) [47] and rubber wood sawdust (qm = 5.72 mg/g) [48]. However, it was still lower than Cu(II) ions adsorption capacity by activated carbon prepared from watermelon (31.02 mg/g) [14], Tunisian date stones (31.25 mg/g) [23] and hazelnut shell (58.27 mg/g) [33]. For further research, bamboo-based activated carbon [49] will be considered to compate for adsorption of Cu(II).…”

Section: Effect Of Koh Concentration On Adsorption Capacitymentioning

confidence: 99%

“…Lignocellulosic materials have been also investigated for raw material of activated carbon to answer the world consumption of approximately 2 billion tons in this year [18]. Among others, pecan shells [19], Cassava peel [20], biomass residue from gasification [21], hazelnut shell and husks [21], [22], Tunisian date stones [23], corn cob [24] and Casuarina equisetifolia cones [25]. Other lignocellulosic solid waste for adsorbent is Limonia acidissima fruit shell (LAFS).…”

Section: Introductionmentioning

confidence: 99%

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Adsorption of Cu(Ii) Ions in Aqueous Solution Onto Limonia Acidissima Shellbased Activated Carbon: Kinetic and Isotherm Studies

Muslim

Said

Hariati

et al. 2018

MST

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Adsorption of Cu(II) ions from aqueous solution using activated carbon prepared from Limonia acidissima fruit shell (LAFS-AC) was conducted in batch mode experiments at pH 5 (±0.15), 100 rpm and 1 atm. The effects of contact time, initial Cu(II) ions concentration, KOH concentration, and adsorption temperature on Cu(II) ions adsorption capacity were investigated. Fourier Transform Infrared Spectroscopy and Scanning Electron Microscopy analyses were performed to investigate the active site and surface morphology of the LAFS-AC, respectively. The Cu(II) ions adsorption was fitted very well (R 2 = 0.94 on average) to the pseudo second-order adsorption kinetic with the adsorption capacity and rate being 25.58 mg/g and 0.07 g/mg.min, respectively at 27 o C by the LAFS AC activated using 0. Abstract Adsorpsi Ion Cu(Ii) di dalam Larutan Berair menggunakan Karbon Aktif Berbasis Kulit BuahLimonia acidissima: Studi Kinetika dan Isotermal. Adsorpsi ion Cu(II) dari larutan berair menggunakan karbon aktif yang dibuat dari kulit buah Limonia acidissima (LAFS-AC) dilakukan pada percobaan dengan sistem batch pada pH 5 (± 0,15), 100 rpm dan 1 atm. Efek waktu kontak, konsentrasi awal ion Cu(II), konsentrasi KOH, dan suhu adsorpsi pada adsorpsi ion Cu (II) diselidiki. Analisis spektroskopi FTIR dan SEM dilakukan untuk menyelidiki morfologi bagian aktif dan permukaan LAFS-AC. Adsorpsi ion Cu(II) memiliki kemiripan (R2 rata-rata = 0,94) terhadap kinetika adsorpsi pseudo orde kedua dengan kapasitas adsorpsi dan laju masing-masing 25,58 mg/g dan 0,07 g/mg.min pada suhu 27 o C pada LAFS-AC aktif menggunakan 0,5 M KOH. Pada suhu 60 o C, nilainya menjadi 26,88 mg/g dan 0,15 g/mg.min. Adsorbsi ion Cu(II) mengikuti model adsorpsi isotherm Langmuir (LAIM) (R2 = 0,98 rata-rata). Kapasitas adsorpsi LAIM dan konstanta masing-masing bernilai 26,67 mg/g dan 0,03 L/g pada suhu 27 o C. Pada suhu 60 o C, nilainya meningkat secara dramatis menjadi 0,09 L/g. Kondisi adsorpsi optimal yang diperoleh adalah 0,5 M KOH pada LAFS-AC aktif, konsentrasi awal Cu(II) 509,81 mg/L dan waktu kontak 120 menit pada suhu 60 o C dengan kapasitas adsorpsi ion Cu(II) sebesar 26,95 mg/g.

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“…As a result of the expensive nature of the use of the conventional methods, in recent years, attention has been focused on the potential of Green Chemistry for removal of copper from aqueous solution using adsorbents derived from low-cost materials. Many researchers have used low-cost materials 17 as a viable biosorbent for copper(II) removal, namely, rice husk 18-20 , sugarcane, banana peel [21][22] , peanut shells 23 , activated sludge 24 , brewery biomass 25 , ipomoea carnea 26 , cassava 27 , tea waste 28 fly ash 29 , tree fern 30 , cashew nut shell 31 , mansonia wood sawdust 32 , mushroom biomass 33 , activated carbon [34][35], pomegranate pulp 36 , leaves of neem 37 , wheat straw [38][39] , sawdust (Dalbargiasissoo) 40 , pine fruit 41 , orange peel 21,42 and pine cone shell 43 .…”

Section: Introductionmentioning

confidence: 99%

Biosorptive Removal of Cu(II) from Aqueous Solutions by Using Carissa carandas and Syzygium aromaticum

Mathew¹,

Lofrano²,

Sharma³

2014

Chem Sci Trans

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Biosorption of copper from aqueous solutions by Carissa carandas and Syzygium aromaticum was investigated in batch mode. Biosorptivity of both of these biosorbents has been correlated with the pH change, agitation time and dose of adsorbent and concentration of metal ions in the solution. Biosorbent Carissa carandas leaf powder showed higher sorption efficiency than that of biosorbent Syzygium arometicum powder under identical experimental conditions. Also, the adsorption of Cu(II) onto Syzygium arometicum was best described by the Langmuir isotherm model. The maximum adsorption capacities estimated from Langmuir isotherm model for Cu(II) were 54.2 mg/g and 76.61 mg/g for Carissa carandas and Syzygium arometicum respectively.

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Adsorptive removal of copper(II) from aqueous solutions on activated carbon prepared from Tunisian date stones: Equilibrium, kinetics and thermodynamics

Cited by 211 publications

References 53 publications

Eco-friendly treatment of textile dye from aqueous solution using encapsulated biosorbent matrix beads: kinetics and breakthrough analysis

Eco-friendly treatment of textile dye from aqueous solution using encapsulated biosorbent matrix beads: kinetics and breakthrough analysis

Adsorption of Cu(Ii) Ions in Aqueous Solution Onto Limonia Acidissima Shellbased Activated Carbon: Kinetic and Isotherm Studies

Biosorptive Removal of Cu(II) from Aqueous Solutions by Using Carissa carandas and Syzygium aromaticum

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