Sorption of copper (II) from aqueous solution onto<i>Arachis hypogaea</i>husk

Ingle, Pradnya K.; Gadipelly, Chandrakanth; Rathod, Virendra K.

doi:10.1080/19443994.2014.914446

Cited by 8 publications

(3 citation statements)

References 24 publications

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“…At pH values higher than 6, the change in capacity values was decreased for copper and iron. It is known that pH of the solution determines the state of metal ion species and the surface charge state (Ingle et al, 2015). At much higher pH above 5, hydrolysis of copper ion occurs forming the colloidal complex which was difficult to be adsorbed on the sorbent giving lower removal percentage.…”

Section: Effect Of Phmentioning

confidence: 99%

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

El-Maghraby

2019

AJAS

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In this work, potato peel wastes were used as absorbents to remove heavy metals (Cu +2 and Fe +3) from aqueous solutions using adsorption method. Effect of pH, contact time, adsorbent dosage and initial metal pollutants concentration was investigated. Results showed that the adsorption of Cu and Fe ions increased with increasing pH of media and maximum adsorption of both cu and Fe was obtained around pH 5-6. The maximum sorption capacity was found to be 39 and 28 mg/g for Cu +2 and Fe +3 , respectively. Over all, the present findings suggest that potato peels are friendly environmental, efficient and low cost biosorbent which represents an excellent potential for Cu +2 and Fe +3 removals from aqueous solutions.

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Section: Effect Of Phmentioning

confidence: 99%

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

El-Maghraby

2019

AJAS

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“…Copper, one of the metals finds varied application in diverse fields such as electroplating, etching, rinsing, chemical and mechanical polishing, etc. which lead to accumulation of gallons of wastewater contributing to heavy metal pollution (Ingle et al 2014). Moreover, copper being a micronutrient if consumed in the form of inhalation in higher dosage leads to be fatal, hence there is a need to remove copper before it is discharged (Ali et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Copper Removal Using Acid Activated Peanut Husk From Aqueous Solution

Ingle

Karishma

Rathod

2016

Journal of Environmental Engineering and Landscape Management

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Peanut husk, an agricultural waste is a precursor biomass veteran for chemical activation using phosphoric acid. The work deals with activation of peanut husk using phosphoric acid followed by its application. The effect of various parameters such as impregnation ratio, temperature, particle size and agitation speed on copper adsorption were also studied. Physical characterization of the activated adsorbent was done using SEM, BET and FTIR to understand the modifications. The optimum parameter values of chemical activation influencing adsorption were 20% phosphoric acid concentration, 1:8 acid impregnation ratio, 60 °C activation temperature and 350 rpm stirring speed. The copper uptake was 14.3 mg/g for peanut husk whereas by chemical activation it was increased to 17.88 mg/g. Thus adsorption capacity of peanut husk can be successfully improved using phosphoric acid activation.

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“…HCl, NaOH, HNO3, EDTA. 3,29,30 In this paper, HCl has been chosen as the regeneration regent. 0.5 g adsorbents loaded by Cu2+ were soaked in 25 mL of 0.1 M HCl and shaken for 2 h at 250 rpm at 30 _C.…”

Section: Desorption Studiesmentioning

confidence: 99%

Removal of Cu²⁺ from wastewater by modified xanthan gum (XG) with ethylenediamine (EDA)

et al. 2016

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ABSTRACT:Herein, a new adsorbent was synthesized by modifying xanthan gum for the removal of Cu2+ fromwastewater.Xanthan gum was first successfully modified with thionyl chloride followed byethylenediamine. The modified xanthan gum was characterized via Fourier transform infraredspectrometry (FTIR), carbon nuclear magnetic resonance (13C NMR), scanning electron microscopy (SEM),energy dispersion spectroscopy (EDS) and thermogravimetry (TG) for a better understanding of its Cu2+removal efficiency. In addition, the effects of pH, contact time, adsorbent dosage, initial concentration ofCu2+ and coexisting ions on the adsorption of Cu2+ were investigated via batch adsorption studies.Results suggest that the adsorption process of Cu2+ follows a pseudo second order kinetics model withan equilibrium time of 120 min. The experimental data could be fitted with the Langmuir isotherm better than the Freundlich model.The adsorption capacity of Cu2+ by the modified xanthan gum reached up to46.95 (mg g_1). The adsorbent could be easily regenerated by only the addition of 0.1 M HCl. Also, theadsorption effect of other divalent cations by XG-NH2 was preliminarily investigated.

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Sorption of copper (II) from aqueous solution ontoArachis hypogaeahusk

Cited by 8 publications

References 24 publications

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

Copper Removal Using Acid Activated Peanut Husk From Aqueous Solution

Removal of Cu²⁺ from wastewater by modified xanthan gum (XG) with ethylenediamine (EDA)

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Sorption of copper (II) from aqueous solution ontoArachis hypogaeahusk

Cited by 8 publications

References 24 publications

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

Removal of Copper (II) and Ferric (III) Ions from Aqueous Solutions by Adsorption Using Potato Peel

Copper Removal Using Acid Activated Peanut Husk From Aqueous Solution

Removal of Cu2+ from wastewater by modified xanthan gum (XG) with ethylenediamine (EDA)

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Removal of Cu²⁺ from wastewater by modified xanthan gum (XG) with ethylenediamine (EDA)