Banana peel: A green and economical sorbent for the selective removal of Cr(VI) from industrial wastewater

Memon, Jamil R.; Memon, Saima Q.; Bhanger, Muhammad Iqbal; El-Turki, A; Hallam, K; Allen, G. C.

doi:10.1016/j.colsurfb.2008.12.032

Cited by 171 publications

(83 citation statements)

References 23 publications

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“…(Ziagova et al 2007), Staphylococcus aureus biomass (Wang et al 2010), dead fungal biomass of Aspergillus niger (Samarth et al 2012). Furthermore, adsorptive removal of chromium was also reported by a group of investigators on coconut coir pith, coconut shell fibre, plant bark (Acacia arabica, Eucalyptus), pine needles, cactus leaves, neem leaves powder (Dakiky et al 2002;Babel and Kurniawan 2004;Ngah and Hanafiah 2008;Suksabye et al 2008;Miretzkya and Cirelli 2010), beech saw dust and rubber wood saw dust (Shuklaa et al 2002;Acar and Malkoc 2004), raw and treated sugarcane bagasse/dust (Giraldo-Gutiérreza and Moreno-Piraján 2008) and banana peel (Memona et al 2009). Literature survey further indicated that the RH has been investigated as an adsorbent for removal of heavy metals including Cr(VI) besides other pollutants.…”

Section: Introductionmentioning

confidence: 62%

Analysis of Bio-Sorption of Cr(VI) onto Raw Rice Husk by a Hybrid Theoretical Model Using Results of Batch Experiments

Sarkar

Das

Bandyopadhyay

2013

Adsorption Science & Technology

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ABSTRACT:In this study, batch adsorption experiments are conducted for removing Cr(VI) from its aqueous solution using raw rice husk after its characterization by scanning electron microscopy, BET and Fourier transform infrared spectroscopy analyses. The effects of different operating parameters are investigated and optimized. The maximum percentage of removal observed was 99% under optimal operating conditions. Experimental results follow the Langmuir adsorption isotherm reasonably well. A hybrid mathematical model that takes into account the shrinking core approach coupled with the well-known progressive conversion model has been proposed to simulate the dynamic behaviour of the present system using the results obtained from the batch adsorption experiments. The proposed model can also be potentially applicable to any similar other solid-liquid adsorption-diffusion system. Based on the experimental findings and theoretical analyses carried out in this study, several recommendations are holistically put forward for developing the understanding of the adsorptive removal of heavy metals including Cr(VI) and other pollutants.

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Section: Introductionmentioning

confidence: 62%

Analysis of Bio-Sorption of Cr(VI) onto Raw Rice Husk by a Hybrid Theoretical Model Using Results of Batch Experiments

Sarkar

Das

Bandyopadhyay

2013

Adsorption Science & Technology

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“…The concentration of total chromium ions left in the liquid phase is determined spectrophotometrically using the atomic absorption spectroscope (AA-7000; Shimadzu) (Babu and Gupta 2008a;Gupta and Babu 2009a;Memon et al 2009). The amount of Cr(VI) adsorbed by the nanoporous adsorbent is then calculated using the following equation:…”

Section: Analysis Of Chromium Ionsmentioning

confidence: 99%

“…The U.S. Environmental Protection Agency approved 0.1 mg l -1 as the maximum allowable concentration of Cr(VI) in drinking water. To maintain such a low level of Cr(VI) in the effluent streams, the removal of Cr(VI) from industrial wastewater has become a research topic of great interest (Babu and Gupta 2008b;Memon et al 2009;Moreno-Piraján et al 2011;Wan Ngah and Hanafiah 2008).…”

Section: Introductionmentioning

confidence: 99%

Removal of Cr(VI) from Wastewater Using a Natural Nanoporous Adsorbent: Experimental, Kinetic and Optimization Studies

Maheshwari

Gupta

2015

Adsorption Science & Technology

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ABSTRACT:In the present work, a nanoporous adsorbent prepared from lowcost neem bark is used for the removal of chromium (VI) ions from wastewater. The adsorbent is characterized by scanning electron microscopy, energydispersive spectroscopy, BET surface area, infrared analysis and X-ray diffraction analysis. The effect of various parameters such as adsorbent dosage, pH, initial concentration and contact time for the removal of chromium (VI) ions has been studied. The data obtained have been tested with various isotherm and kinetic models. Langmuir model is found to be the best suited isotherm model giving maximum adsorption capacity as 26.95 mg g -1 for the removal of chromium (VI) ions. Effluent from a plating industry was also used to evaluate the performance of the developed adsorbent. Weber and Morris and Boyd models show that both intra-particle and film diffusion are the controlling mechanism for adsorption of chromium (VI) ions on the developed adsorbent. The mathematical model is developed to optimize the adsorption capacity (q) in terms of the influencing parameters with the help of differential evolution (DE) technique.

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“…Apart from being slow, this process needs additional external sources, e.g., carbon, nitrogen, and phosphorous. Memon et al (2009) have reported that banana peel could be a good sorbent for Cr 6? but the optimal sorption was found to be at pH 2, and it was also seen that during the adsorption process, considerable amount of Cr 6?…”

Section: Bioprecipitation Of Metal Ions From Single-ion Solutionsmentioning

confidence: 99%

Application of alkaline phosphatase for heavy metals precipitation using ascorbic acid 2-phosphate as an effective natural substrate

Chaudhuri

Venu-Babu

Dalal

et al. 2015

Int. J. Environ. Sci. Technol.

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Banana peel: A green and economical sorbent for the selective removal of Cr(VI) from industrial wastewater

Cited by 171 publications

References 23 publications

Analysis of Bio-Sorption of Cr(VI) onto Raw Rice Husk by a Hybrid Theoretical Model Using Results of Batch Experiments

Analysis of Bio-Sorption of Cr(VI) onto Raw Rice Husk by a Hybrid Theoretical Model Using Results of Batch Experiments

Removal of Cr(VI) from Wastewater Using a Natural Nanoporous Adsorbent: Experimental, Kinetic and Optimization Studies

Application of alkaline phosphatase for heavy metals precipitation using ascorbic acid 2-phosphate as an effective natural substrate

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