Biosorption of copper (II) from aqueous solutions by wheat shell

Basci, Nurgul; Kocadagistan, Erdem; Kocadagistan, Beyhan

doi:10.1016/s0011-9164(04)00172-9

Cited by 209 publications

(69 citation statements)

References 10 publications

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“…The optimum pH for further adsorption experiments was selected as 6.0. Similar results have been reported by a number of earlier researchers studying Cu metal biosorption on different biomasses [29][30][31][32][33][34][35][36].…”

Section: Resultssupporting

confidence: 90%

“…After this, due to slower diffusion of adsorbate, the rate of adsorption become slow [6]. Similar results have been reported by a number of earlier researchers studying Cu metal biosorption on different adsorbents [29][30][31][35][36] The efficiency of the biosorption process was determined by applying the pseudo-first-order (PFO), pseudo-second- Turk On the other hand, further increase in adsorbent amount from 1.1-2.0 g/ 50 mL, the amount of adsorbed Cu (II) ions decreases from 85% to 72%. This decrease may be due to the overlapping or aggregation of adsorption sites also the time required to reach the equilibrium decreased at higher doses of SB [6].…”

Section: Effect Of Contact Time: Adsorption Kineticssupporting

confidence: 83%

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Biosorption Studies For Removal of Cu (II) ions Onto Saccharum Bengalense an Efficient and Eco-Friendly Biosorbent

Din¹

2014

Turk J Bioch

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Objective: In this research work, a low-cost biosorbent derived from the pulp of Saccharum bengalense (SB) was used as an adsorbent material for the removal of Cu (II) ions from aqueous solution. Methods: A batch adsorption method was experimented for biosorptive removal of copper ions from the aqueous solution. Results: Nearly 90% removal of copper is possible at initial pH 6.0, under the batch test conditions. Langmuir, Freundlich and Dubinin-Radushkevich (D-R) adsorption isotherms have been applied to describe the biosorption of Cu (II) by SB. It was found that biosorption of Cu (II) by SB followed Langmuir and Freundlich model. The monolayer adsorption capacity of SB as obtained from Langmuir isotherm at 40 0 C was found to be 10.42 mg/g at 323K. The Cu (II) adsorption data was analyzed by applying pseudo-first-order and pseudo-second-order kinetic models. The intra-particle diffusion model was applied to investigate the rate-determining step. It was found that the biosorption of Cu (II) ions on SB followed pseudo second-order rate kinetics. Thermodynamic parameters such as free energy change (ΔG°), enthalpy change (ΔH°) and entropy change (ΔS°) have been calculated respectively revealed the spontaneous, feasible and endothermic nature of adsorption process. Conclusion:The results of the present investigation suggested that biosorbent SB can be used as an economically feasible and environmentally friendly biosorbent for the removal of Cu (II) from aqueous solutions. ries of Erlenmeyer flasks of 250 mL capacity, sealed with glass stoppers and para film to prevent contamination. The effect of influencing factors, such as adsorbent dosage, effect of pH, time and temperature were studied. For each experiment, 50 mL solution containing Cu metal ions, of known concentration, was used. For adsorption isotherms, Cu containing solutions of different known concentrations C 0 (mg/L) were agitated with a known amount of adsorbent until equilibrium was achieved. The kinetics of adsorption were determined by analyzing adsorptive uptake (q t mg/g) of the Cu (II) ions from the aqueous solutions at different time intervals. All experiments were performed in triplicate and an average of three values reported. The deviation was found to be 2% of the average value. After the equilibrium period, the suspensions were filtered via filter paper Whatman 42. The concentrations of Cu metal ions were determined by atomic absorption spectrometry. A Perkin-Elmer 2380 Atomic Absorption Spectrophotometer, with air-acetylene flame, was used for the determination of copper concentration.The percentage removal efficiency of adsorbent (%R) for copper metal was calculated as follows:The adsorption capacity of SB for copper metal at equilibrium q e (mg/g) was calculated as follows:The amount of Cu metal adsorbed onto SB biomass at any time t, q t (mg/g) was calculated as follows:Where C 0 is the initial copper ions concentration (mg/L), C e is the concentration of copper ions at equilibrium (mg/L), C t is the concentration of copper meta...

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Section: Resultssupporting

confidence: 90%

Section: Effect Of Contact Time: Adsorption Kineticssupporting

confidence: 83%

Biosorption Studies For Removal of Cu (II) ions Onto Saccharum Bengalense an Efficient and Eco-Friendly Biosorbent

Din¹

2014

Turk J Bioch

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“…At the optimal pH of 6.0, 74% and 62% of Fe +3 and Cu +2 ions were removed by peanut hulls,respectively Similarly, Basci et al, (2004) and Waseem et al, (2014) reported that pH has a significant role on heavy metal ions removal. …”

Section: +3mentioning

confidence: 90%

Removal of Fe+3 and Cu+2 Ions from Aqueous Solutions by Adsorption Using Peanut Hulls

2017

AJAS

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The present study was conducted to evaluate the possibility of using peanut hulls for the removal of Fe +3 and Cu +2 from aqueous solutions.This paper incorporates the effects of dose, concentration and pH.Adsorption of heavy metal on adsorbents was found to increase on decreasing initial concentration, the sorption capacity strongly increased with pH in the range 3-4. The results showed that the removal of heavy metals, such as Fe +3 and Cu +2 from aqueous solution was efficient using peanut hulls as bioadsorbent. The adsorption percentage of Fe +3 and Cu +2 ions by peanut hulls were very high. The Langmuir isotherm model was the best to describe the experimental data. The maximum sorption capacity was found to be 79.28 and 96.58 mg/g for Fe +3 and Cu +2 , respectively. Over all, the present findings suggest that peanut hulls are friendly environmental bioadsorbent, efficient and low cost biosorbent which represents an excellent potential for Fe +3 and Cu +2 removals from aqueous solutions.

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“…The agricultural byproducts such as peat, wood, pine park, banana pith, rice bran, wheat bran, peanut shells, wool, rice milling byproducts (hulls and bran), sunflower and grape stalks wastes, sugar beet pulp, olive mill solid residue, sawdust and leaves have been demonstrated to remove heavy metal ions from wastewater. Many examples are available in the literature concerning the direct or activated use of these materials as adsorbents (Lee and Yang, 1997;Sun and Shi, 1998;Ajmal et al, 1998;Gupta and Ali, 2000;Wartelle and Marshall, 2000;Yu et al, 2000;Pagnanelli et al, 2002;Johnson et al, 2002;Ho, 2003;Basci et al, 2004;Villaescusa et al, 2004;Dronnet et al, 1997;Gerente et al, 2000;Reddad et al, 2002;Kartel et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Biosorptive-flotation of copper(II) from environmental water samples using sugar beet pulp as sorbent and oleic acid as surfactant

Ghazy

Khedr

Youssef

2009

Chemical Speciation & Bioavailability

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Trace elements, especially toxic metals, are considered to be one of the main sources of pollution in the environment, since they have a significant effect on its ecological quality. The present study aims to develop a simple biosorptive-flotation method to remove Cu(II) from aqueous solutions using sugar beet pulp (SBP) as sorbent and oleic acid (HOL) as surfactant. SBP as an agricultural plant waste (which is an effective and inexpensive sorbent) was used as native sugar beet pulp (NSBP), i.e. without treatment, or after treatment with an acid (ASBP) or a base (BSBP). The main parameters (initial pH, sorbent, Cu 2 þ ions and surfactant concentrations, shaking times, temperature, ionic strength and the presence of foreign ions) that influence the flotation process were examined. Under the optimum experimental conditions, at pH 7 and at room temperature ( $ 25 C), about 100% of Cu(II) was removed. The recommended procedure was successfully applied to recover Cu 2 þ ions spiked in aqueous solution and in natural water samples.

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Biosorption of copper (II) from aqueous solutions by wheat shell

Cited by 209 publications

References 10 publications

Biosorption Studies For Removal of Cu (II) ions Onto Saccharum Bengalense an Efficient and Eco-Friendly Biosorbent

Biosorption Studies For Removal of Cu (II) ions Onto Saccharum Bengalense an Efficient and Eco-Friendly Biosorbent

Removal of Fe+3 and Cu+2 Ions from Aqueous Solutions by Adsorption Using Peanut Hulls

Biosorptive-flotation of copper(II) from environmental water samples using sugar beet pulp as sorbent and oleic acid as surfactant

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