Removal of copper(II) ions from aqueous medium by biosorption onto powdered waste sludge

Pamukoğlu, M. Yunus; Kargı, Fikret

doi:10.1016/j.procbio.2005.11.010

Cited by 69 publications

(51 citation statements)

References 17 publications

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“…Heavy metal ions present in some industrial effluents have detrimental effects on the environments such as water and soil [1][2][3][4][5] . Conventional methods for removal of heavy metals from industrial wastewater such as: chemical precipitation, ion-exchange, adsorption, solvent extraction were found to be ineffective or expensive and require high capital and operating costs, also may result large volumes of sludge causing disposal problems [1,[5][6][7][8][9][10] .…”

Section: Introductionmentioning

confidence: 99%

“…Conventional methods for removal of heavy metals from industrial wastewater such as: chemical precipitation, ion-exchange, adsorption, solvent extraction were found to be ineffective or expensive and require high capital and operating costs, also may result large volumes of sludge causing disposal problems [1,[5][6][7][8][9][10] . Therefore, recent researches have been focused on use of nonconventional alternative including different biomaterials such as: waste sludge, algae, yeast and fungal biomass [1,5,6] . Biomaterials are environmentalfriendly, cost-effective, highly selective, high biosorption capacity and high efficiency in detoxifying dilute wastewater [1,5,[7][8][9] .…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, recent researches have been focused on use of nonconventional alternative including different biomaterials such as: waste sludge, algae, yeast and fungal biomass [1,5,6] . Biomaterials are environmentalfriendly, cost-effective, highly selective, high biosorption capacity and high efficiency in detoxifying dilute wastewater [1,5,[7][8][9] . Biosorption of metal ions is the passive binding of heavy metal ions to biopolymers on the cell wall of organisms.…”

Section: Introductionmentioning

confidence: 99%

“…Biosorption of metal ions is the passive binding of heavy metal ions to biopolymers on the cell wall of organisms. On the other hand, passive binding of heavy metal ions was defined as biosorption and active binding on the cell wall of live organisms defined as bioaccumulation [1,5,10] . Dead biomaterial is more applicable than living biomaterial, because living system requires nutrients and maintenance of living biomass is very difficult in high toxicity environment.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, dead biomaterials can be easily regenerated and reuse [7,8,10] . Waste activated sludge as a biomaterial, for removal of heavy metal ions can be used because of low cost and its availability [1,[11][12][13][14][15] . Activated sludge consists of microbial population such as bacteria and protozoa [1] .…”

Section: Introductionmentioning

confidence: 99%

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Investigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated Sludge

Soltani¹,

Jafari²,

Khorramabadi³

2009

American Journal of Environmental Sciences

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Problem statement: Heavy metals have been one of hazardous components in industrial effluents that can be damaged on the environment by discharging uncontrolled wastewater. The aims of this investigation were biosorption of Cd (II) ions onto pretreated dried activated sludge and determination of kinetic and isotherm of biosorption. Approach: Activated sludge was obtained from Tehran municipal wastewater treatment plant. Activated Sludge was dried and used for biosorbtion of Cd (II) ions from aqueous solution. Dried Activated Sluge (DAS) was pretreated with three different solutions (H 2 O 2 , NaOH and ethanol). Biosorption capacity of different types of DAS to remove Cd (II) ions was investigated as a function of Cd (II) concentrations at variable initial Cd (II) concentrations between 10 and 500 mg L −1 with a DAS particle size 0.2-0.3 mm using batch biosorption experiments.Results: Biosorption of Cd (II) by Dried Activated Sludge (DAS) was found to perform better than the others after pretreatment with H 2 O 2 . The maximum biosorption capacity was given 256.41, 217.39, 212.77 and 204.08 mg g −1 for the H 2 O 2 , NaOH; Ethanol pretreated and untreated DAS, respectively. The pseudo-second order kinetic model was found to be more suitable than the pseudo-first order kinetic model to correlate the experimental data for all types of DAS (R 2 >0.9). The Freundlich isotherm was found to fit the experimental data slightly better than the Langmuir isotherm model for all pretreated and untreated DAS (R 2 >0.99). Conclusion: It can be concluded that pretreatment DAS yield higher Cd (II) biosorption capacity, especially DAS that pretreated with H 2 O 2 .

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated Sludge

Soltani¹,

Jafari²,

Khorramabadi³

2009

American Journal of Environmental Sciences

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Biosorption of Cd(II), Ni(II) and Pb(II) from Aqueous Solution by Dried Biomass of Aspergillus niger: Application of Response Surface Methodology to the Optimization of Process Parameters

Amini

Younesi

2009

CLEAN Soil Air Water

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In this study, the biosorption of Cd(II), Ni(II) and Pb(II) on Aspergillus niger in a batch system was investigated, and optimal condition determined by means of central composite design (CCD) under response surface methodology (RSM). Biomass inactivated by heat and pretreated by alkali solution was used in the determination of optimal conditions. The effect of initial solution pH, biomass dose and initial ion concentration on the removal efficiency of metal ions by A. niger was optimized using a design of experiment (DOE) method. Experimental results indicated that the optimal conditions for biosorption were 5.22 g/L, 89.93 mg/L and 6.01 for biomass dose, initial ion concentration and solution pH, respectively. Enhancement of metal biosorption capacity of the dried biomass by pretreatment with sodium hydroxide was observed. Maximal removal efficiencies for Cd(II), Ni(III) and Pb(II) ions of 98, 80 and 99% were achieved, respectively. The biosorption capacity of A. niger biomass obtained for Cd(II), Ni(II) and Pb(II) ions was 2.2, 1.6 and 4.7 mg/g, respectively. According to these observations the fungal biomass of A. niger is a suitable biosorbent for the removal of heavy metals from aqueous solutions. Multiple response optimization was applied to the experimental data to discover the optimal conditions for a set of responses, simultaneously, by using a desirability function.

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Optimization of Lead and Nickel Biosorption by Cystoseira trinodis (Brown Algae) Using Response Surface Methodology

Salehi

Tajabadi

Younesi

et al. 2013

CLEAN Soil Air Water

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Response surface methodology was used to optimize conditions for lead (Pb2+) and nickel (Ni2+) biosorption from aqueous solutions, using Cystoseira trinodis (brown algae). The experiments are carried out in a batch system with 0.2 g of biomass per batch. The variables as pH, initial metal concentration, and contact time were optimized as the critical components. A central composite rotatable design was used for experimental design and analysis of results. The experimental data for the uptake of the metal ions were best described by the quadratic models proposed. Using these models gave a coefficient of determination (R2) value of 0.9998 for Pb2+ and 0.9741 for Ni2+. The factors which showed the greatest influence on the biosorption of both ions were the initial ion concentration and contact time. Under optimum conditions, the biosorption of Pb2+ was found to be 49.08 mg/g, and 14.58 mg/g for Ni2+. These conditions for Pb2+ were a pH of 5.2, initial ion concentration of 200 mg/L and a contact time of 60 min. For Ni2+, they were a pH of 5.8, initial ion concentration of 190 mg/L and a contact time of 53 min.

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Removal of copper(II) ions from aqueous medium by biosorption onto powdered waste sludge

Cited by 69 publications

References 17 publications

Investigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated Sludge

Investigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated Sludge

Biosorption of Cd(II), Ni(II) and Pb(II) from Aqueous Solution by Dried Biomass of Aspergillus niger: Application of Response Surface Methodology to the Optimization of Process Parameters

Optimization of Lead and Nickel Biosorption by Cystoseira trinodis (Brown Algae) Using Response Surface Methodology

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