A green adsorbent derived from banana peel for highly effective removal of heavy metal ions from water

Li, Yingchun; Liu, Jiang; Yuan, Qunhui; Tang, Hui; Ye, Feng; Lv, Xin

doi:10.1039/c6ra07460j

Cited by 115 publications

(36 citation statements)

References 49 publications

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“…37 The increase of the absolute values of DG with the increase of temperature (25-55 C) suggests an increased trend in the degree of spontaneity of the metal ions sorption and high temperature is benecial to adsorption of heavy metals. 38,39 The DH parameter was found to be 0.915 and 7.014 kJ mol À1 for Cd(II) and Pb(II) adsorption, respectively. The positive value of DH indicates the endothermic nature of adsorption and the metal ions removal capacity increased with increasing temperature (see Fig.…”

Section: Effects Of Temperature and Thermodynamic Analysismentioning

confidence: 99%

Removal of Cd(ii) and Pb(ii) ions from natural water using a low-cost synthetic mineral: behavior and mechanisms

Chen

Shi

2017

RSC Adv.

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Section: Effects Of Temperature and Thermodynamic Analysismentioning

confidence: 99%

Removal of Cd(ii) and Pb(ii) ions from natural water using a low-cost synthetic mineral: behavior and mechanisms

Chen

Shi

2017

RSC Adv.

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“…Consequently, besides proposing a sustainable wastewater treatment, the reuse of exhausted, expanded perlite to increase the insulating properties of cement is in accordance with circular economy principles [37] and with the recent trend towards sustainable water treatments [38][39][40].…”

Section: Introductionmentioning

confidence: 94%

Lead Ion Sorption by Perlite and Reuse of the Exhausted Material in the Construction Field

et al. 2018

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This paper deals with the possibility of using perlite as a lead ion sorbent from industrial wastewater. Dynamic (laboratory column) operations were carried-out using beads, which were percolated by metals in a 2–10 mg·L−1 concentration range. To this purpose, lead ion solutions were eluted in columns loaded with different amounts of sorbent (2–4 g) within a 1–2 mm bead size range, at 0.15–0.4 L·h−1 flow-rates. Tests were performed to complete sorbent exhaustion (column breakthrough). The highest retention was obtained at 0.3 L·h−1, with 4 g of perlite and 10 mg·L−1 of influent, lead ion concentration. Film diffusion control was the kinetic step of the process in the Nerst stationary film at the solid/liquid interface. At the end of the sorption, perlite beads were used as lightweight aggregates in the construction field (i.e., for the preparation of cement mortars). Specifically, conglomerates showing different weights and consequently different thermal insulating and mechanical properties were obtained, with potential applications in plaster or panels.

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“…High adsorption capacity at high initial metal concentration can be related to two main factors: (i) the increase in the number of collisions between the metal ions and the adsorption sites of lala clam shell and (ii) high diffusion rate of the metal ions into lala clam shell (Li et al, 2016;Anna et al, 2015). The adsorption capacity of metal ions onto lala clam shell followed the order of Pb(II) > Cd(II) > Cu(II) which is similar to the results obtained for the adsorption of metal ions retained by red marine alga Kappaphycus alvarezii (Praveen & Vijayaraghavan, 2015).…”

Section: Adsorption Studiesmentioning

confidence: 99%

“…Therefore, activated carbon is not regarded as an economical adsorbent, especially in developing countries (Razi et al, 2018). Consequently, low-cost and eco-friendly adsorbents such as rice husk (Raikar, Correa, & Ghorpade, 2015), sugarcane bagasse (Kong, Ren, Wang, & Chen, 2014), coconut husk (Agbozu & Emoruwa, 2014), banana peel (Li et al, 2016) and several other agricultural wastes (Bandela, Babrekar, Jogdand, & Kaushik, 2016) have been preferred to treat metal laden contaminated water.…”

Section: Introductionmentioning

confidence: 99%

Lala clam (Orbicularia orbiculata) shell as an eco-friendly adsorbent for Cd(II), Cu(II) and Pb(II) ions

Eljiedi

Kamari

Sunardi

et al. 2019

Arab Journal of Basic and Applied Sciences

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In this study, the effectiveness of lala clam (Orbicularia orbiculata) shell, a fishery waste, as an adsorbent for removal of Cd(II), Cu(II) and Pb(II) ions from contaminated water was evaluated by characterization and adsorption studies. The characterization study was performed using Field Emission Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray (EDX) Spectroscopy and Fourier Transform Infrared (FTIR) Spectroscopy techniques. The effects of solution pH (pH 1.0 to 6.0), adsorbent dosage (0.125 to 0.750 g) and initial adsorbate concentration (10 to 200 mg/L) on adsorption capacity of lala clam shell were studied. The capability of lala clam shell to remove metal ions from aqueous solution was assessed in both single-and mix-metal systems. The adsorption equilibrium data were fitted to Freundlich and Langmuir isotherm models. At an optimum solution pH of 6.0 and initial metal ion concentration of 200 mg/L, the maximum adsorption capacity (Q max) values of Cd(II), Cu(II) and Pb(II) ions were determined as 66.66, 64.94 and 100.00 mg/g, respectively. The removal performance of lala clam shell (63.80 to 93.79%) for metal ions from battery manufacturing wastewater was comparable to that of three commercial activated carbons derived from olive tree wood (73.01 to 94.83%), coconut shell (68.10 to 95.17%) and bamboo (69.33 to 94.48%), which are commonly used for water treatment in Libya, Malaysia and Indonesia, respectively. The results obtained from this study suggest that lala clam shell exhibits a great potential to be used as an effective alternative to expensive adsorbents for water treatment.

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A green adsorbent derived from banana peel for highly effective removal of heavy metal ions from water

Abstract: A novel carbon foam (CF) was preparedviaphysically activating banana peel and applied for adsorbing various heavy metal ions including Cu2+, Pb2+, Cd2+and Cr6+in aqueous solution.

Cited by 115 publications

References 49 publications

Removal of Cd(ii) and Pb(ii) ions from natural water using a low-cost synthetic mineral: behavior and mechanisms

Removal of Cd(ii) and Pb(ii) ions from natural water using a low-cost synthetic mineral: behavior and mechanisms

Lead Ion Sorption by Perlite and Reuse of the Exhausted Material in the Construction Field

Lala clam (Orbicularia orbiculata) shell as an eco-friendly adsorbent for Cd(II), Cu(II) and Pb(II) ions

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