Adsorption and removal of mercury ions from aqueous solution using raw and chemically modified Egyptian mandarin peel

Husein, Dalal Z.

doi:10.1080/19443994.2013.801793

Cited by 52 publications

(32 citation statements)

References 24 publications

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“…The removal of mercury ions by Egyptian mandarin peel was investigated [114]. Three different adsorbents were prepared, the first adsorbent was the raw peel (MP), the second one was pretreated mandarin peel with NaOH (MNa), and the third one was carbonized mandarin peel (MC).…”

Section: Miscellaneous Peels As Adsorbentsmentioning

confidence: 99%

Agricultural waste peels as versatile biomass for water purification – A review

Bhatnagar

Sillanpää

Witek‐Krowiak

2015

Chemical Engineering Journal

626

238

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Section: Miscellaneous Peels As Adsorbentsmentioning

confidence: 99%

Agricultural waste peels as versatile biomass for water purification – A review

Bhatnagar

Sillanpää

Witek‐Krowiak

2015

Chemical Engineering Journal

626

238

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“…Consequently, innovative water purification technologies have been set and applied to remove heavy metals from water. These techniques included ion exchange (Fu and Wang 2011), membrane filtration (Blocher et al 2003), coagulation-flocculation-sedimentation (Rivas et al 2004), and adsorption (Husein 2013;Uddin 2017;Zaki et al 2017). The coagulation-flocculation-sedimentation method is widely used owing to its simplicity and low cost (Rivas et al 2004;Ndabigengesere and Narasiah 2010).…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of kaolinite coated with copper oxide and its effect on the removal of aqueous Lead(II) ions

et al. 2019

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The removal of Lead (Pb 2+) ions from waste water in the aquatic environment by copper oxide-kaolinite composite forms an important step involved in the reduction of Lead ions in the environment. The study investigated the synthesis, characterization, and application of copper oxide-kaolinite composite in the removal of Lead ions from aqueous systems. The synthesis of the composite involved a trimetric process to produce the copper oxide (CuO)-kaolinite composite. The characterization involved the determination of cation exchange capacity, specific surface area, and spectral analysis by sodium saturation method, nitrogen gas adsorption techniques, and scanning electron spectroscopy, respectively. The determination of parameters affecting the reaction mechanism and reaction kinetics involved the use of batch mode techniques. The findings indicated a reaction mechanism that was less than one proton coefficient, higher mass transfer rates when compared with uncoated kaolinite. Here, the intraparticle diffusion was higher than the value for the uncoated kaolinite. The reactions based on Pb 2+ initial concentration indicated that the coated kaolinite gradually became saturated as the concentration was increased. The reactions based on solid concentration (Cp) demonstrated a complex change in the capacity of adsorption over different Pb 2+ concentrations (10-40 mgL −1) and solid concentrations (2-10 gL −1). Here, the reduction in specific surface area, particle size increase, mineral aggregation, and concentration gradient effect controlled the complex changes in adsorption. In conclusion, the copper oxide-kaolinite composite significantly enhanced the adsorption of Pb 2+ ions.

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“…Several studies have been published on removal of heavy metal by agricultural waste materials, almost all were achieved via batch experiments and only few studies have been reported on the removal of Cr 3+ using a column. Some of these works have already been published [5][6][7][8][9][10]. Therefore, the aim of this work was to study the removal efficiencies of raw mandarin peel (Citrus reticulate) and derived activated carbon towards Cr 3+ ion by this method, considering the effect of the concentration, pH and separation time on the removal process.…”

Section: Introductionmentioning

confidence: 99%

Removal of Chromium(III) Ions by Raw and Activated Carbon Derived from Mandarin Peel

Alshabanat¹

2018

Asian J. Chem.

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Removal of chromium(III) ions was investigated using raw mandarin peel and activated carbon derived from it. The percentage removal of Cr 3+ ions was studied as a function of initial concentration of the heavy metal solution, pH and separation time. The results showed that the maximum percentage removal of chromium(III) of 67 % at 0.1 × 10 -3 mg/L by raw mandarin peel sample and 80 % at 0.025 × 10 -3 mg/ L by activated carbon sample, 73 % in alkaline media and 60 % in natural media by activated carbon and raw mandarin peel, respectively; and reached to 67 and 81 % after 30 min of separation time by raw mandarin peel and activated carbon, respectively. Further, the observation also showed an acceptable efficiency for the removal of Cr 3+ ions by the both adsorbents, particularly by activated carbon when compared to raw mandarin peel sample.

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Adsorption and removal of mercury ions from aqueous solution using raw and chemically modified Egyptian mandarin peel

Cited by 52 publications

References 24 publications

Agricultural waste peels as versatile biomass for water purification – A review

Agricultural waste peels as versatile biomass for water purification – A review

Synthesis and characterization of kaolinite coated with copper oxide and its effect on the removal of aqueous Lead(II) ions

Removal of Chromium(III) Ions by Raw and Activated Carbon Derived from Mandarin Peel

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