Biosorption and Chemical Precipitation of Lead Using Biomaterials, Molecular Sieves, and Chlorides, Carbonates, and Sulfates of Na &amp;amp; Ca

Agwaramgbo, Lovell; Nancy, M. P.; Nunez, ShaKayla; Kayla, Mitt

doi:10.4236/jep.2013.411145

Cited by 24 publications

(12 citation statements)

References 24 publications

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“…K F and n can be interpolated form a linear plot of log Qe vs. log Ce. as follows: (7) A high K F is indicative of high adsorption capacity. The LCF of Q. ilex had K F = 7.43 mg .…”

Section: Freundlich Isotherm Modelmentioning

confidence: 99%

Lignocellulosic fraction of the pericarps of the acorns of Quercus suber and Quercus ilex: isolation, characterization, and biosorption studies in the removal of copper from aqueous solutions

Mébarki

Hachem

Harche

2019

Polish Journal of Chemical Technology

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Pericarps of Algerian Quercus ilex (Q. ilex) and Quercus suber (Q. suber) were used as copper adsorbents in artificially contaminated solutions. Exposing accessible lignocellulosic binding sites enhanced adsorption. The lignocellulosic fractions of Q. suber and Q. ilex (36.47±9.1 and 47.66±9.3, respectively) were characterized by FTIR before and after adsorption. The aim was to identify the functional groups adsorbing Cu(II). SEM/EDX determined lignocellulose surface morphology and composition. The amount of adsorbent-bound Cu(II) increased with initial [Cu(II)]. Cu(II) adsorption range was 23.59–48.06 mg.g−1 for Q. Suber and 22.56–38.19 mg.g−1 for Q. ilex when [Cu(II)] was 100–500 mg.L−1. Adsorption isotherms and Langmuir and Freundlich models of the Q. suber and Q. ilex lignocellulosic fractions indicated natural Cu(II)adsorption capacities (Qmax) of 53.76 mg.g−1 and 36.06 mg.g−1 and KF of 5.9 mg.g−1 and 7.43 mg.g−1, respectively.

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“…K F and n can be interpolated form a linear plot of log Qe vs. log Ce. as follows: (7) A high K F is indicative of high adsorption capacity. The LCF of Q. ilex had K F = 7.43 mg .…”

Section: Freundlich Isotherm Modelmentioning

confidence: 99%

Lignocellulosic fraction of the pericarps of the acorns of Quercus suber and Quercus ilex: isolation, characterization, and biosorption studies in the removal of copper from aqueous solutions

Mébarki

Hachem

Harche

2019

Polish Journal of Chemical Technology

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“…The important mining activity for Peru [1] involves the emission of particulate matter (PM) loaded with heavy metals, which are transported by air [2] and deposited in water and soil, then transferred to pastures, causing adverse effects on animals and human health [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Lead Bioaccumulation in Root and Aerial Part of Natural and Cultivated Pastures in Highly Contaminated Soils in Central Andes of Peru

Castro-Bedriñana¹,

Chirinos-Peinado²,

Peñaloza³

2020

Adv. sci. technol. eng. syst. j.

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Lead concentration on surface soil (0-20 cm), root and aerial part of natural and cultivated pastures were evaluated, in the rainy season (March 2018), collected in 20 sites of a rural community located 20 km from the La Oroya metallurgical complex , which has been emitting to the environment particulate material with heavy metals since 1922. Lead concentration was determined by flame atomic absorption spectrometry. The data was statistically processed in SPSS 23. Lead levels in the soil, root and aerial part of the cultivated pastures were 224.75 ± 39.41, 169.13 + 58.79 and 20.73 ± 2.52 mg / kg (p <0.01). In natural pastures values were 210.87a ± 40.37, 184.36b + 52.66 and 19.47c ± 3.12 mg / kg (p <0.01). There are no differences between cultivated and natural pastures. Lead transfer factor from soil to root of cultivated and natural pastures was 0.75 and 0.87. Lead transfer factor value from soil to aerial part of cultivated and natural pastures was 0.092 in both. High lead content in soil and aerial part of the pastures used as food for high Andean cattle is a public health problem; livestock products produced in these soils would not be fit for human consumption.

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“…Thus, researchers became interested in the use of agricultural waste as a potential method to remove heavy metals from contaminated water [6] [7] [8] [9]. We have previously reported the use of inorganic salts to remove lead from contaminated water [10]. However, such salts have not been used for Zinc, Copper, Calcium, and Magnesium removal from contaminated aqueous solutions.…”

Section: Introductionmentioning

confidence: 99%

Comparative Evaluation of Calcium, Magnesium, Copper and Zinc Removal by Wood Ash, Sodium Carbonate and Sodium Hydrogen Phosphate

Agwaramgbo¹,

Doyle²,

Harrison³

et al. 2021

JEP

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Remediation via adsorption process has been proven to be one of the best water treatment technologies globally. Many adsorbents, including agricultural wastes, have been considered for the removal of a variety of pollutants from water. However, most of the studies reported in the literature used metal concentrations below 1000 ppm. It is also known that initial metal concentrations in polluted aqueous solutions, as well as metal and adsorbent type, are some of the factors that affect metal removal. Therefore, this project examined the remediation of water contaminated by 1000 ppm of lead, zinc, copper, magnesium, and calcium ions using wood ash, sodium hydrogen phosphate (dibasic), and sodium carbonate (dibasic). Comparative analysis of the results showed the order of order of metal removal by the adsorbents as: dibasic phosphate (Ca > Cu > Pb > Zn > Mg); dibasic Carbonate (Pb ~ Ca > Zn > Cu > Mg); Wood ash (Mg > Cu > Zn > Pb > Ca). These results suggest that metal and adsorbent type as well as the inherent chemical properties of these metal cations may contribute to the varying binding affinity of the metals to the adsorbent ligand(s) and thus, affect the extent of metal removal. It is equally worthy to note that wood ash more effectively removed hardness metals (Mg and Ca) from water than the inorganic phosphate and carbonate ions.

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Biosorption and Chemical Precipitation of Lead Using Biomaterials, Molecular Sieves, and Chlorides, Carbonates, and Sulfates of Na & Ca

Cited by 24 publications

References 24 publications

Lignocellulosic fraction of the pericarps of the acorns of Quercus suber and Quercus ilex: isolation, characterization, and biosorption studies in the removal of copper from aqueous solutions

Lignocellulosic fraction of the pericarps of the acorns of Quercus suber and Quercus ilex: isolation, characterization, and biosorption studies in the removal of copper from aqueous solutions

Lead Bioaccumulation in Root and Aerial Part of Natural and Cultivated Pastures in Highly Contaminated Soils in Central Andes of Peru

Comparative Evaluation of Calcium, Magnesium, Copper and Zinc Removal by Wood Ash, Sodium Carbonate and Sodium Hydrogen Phosphate

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