cadmium adsorption on manganese modified
Manganesemodified biochar for highly efficient sorption
Manganesemodified biochar for highly efficient sorption of cadmium Article in Environmental Science and Pollution Research · January 2020 with 25 Reads How we measure ''reads''
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Ultrafast sequestration of cadmium and lead from water by
From the adsorption isotherm shown in Fig. 4, both Pb(II) and Cd(II) adsorption by HMOKBC satisfactorily conformed to the Freundlich model with related coefficient R 2 > 0.97, suggesting a heterogeneous chemisorption process. It can be put down to two different adsorption sites (i.e., the impregnated HMO and the host KBC) on HMOKBC.
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Removal of Cadmium and Zinc from Aqueous Solutions Using
Cadmium adsorption on modified chitosancoated bentonite: batch experimental studies. Adsorption of Cd2+ on hydrous manganese dioxide from aqueous solutions. Desalination 2006, 194 (13), 1121. DOI: 10.1016/j.desal.2005.10.023. Modeling of cadmium(II) adsorption on kaolinitebased clays in the absence and presence of humic acid.
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Adsorption of Zinc(II) on diatomite and manganeseoxide
Adsorption of Zinc(II) on diatomite and manganeseoxidemodified diatomite: A kinetic and equilibrium study Article in Journal of hazardous materials 193:2736 · June 2011 with 465 Reads
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ADSORPTION OF CADMIUM AND COPPER BY MANGANESE
Cadmium and copper adsorption by δMnO2 was investigated by potentiometric titration over a range of pH. Adsorption increased with increasing pH because of hydrolysis of metal ions and/or variable charge sites on δMnO2 δMnO2. The surface acidity constant for δMnO2 was determined using the Trip
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Characterization and Properties of Manganese Oxide Coated
Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon. Frontiers of Chemical Science and Engineering 2011, 5 (2), 203208. DOI: 10.1007/s1170501005710. Weihua Zou, Lei Zhao, Runping Han. Adsorption characteristics of uranyl ions by manganese oxide coated sand in batch mode.
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Heavy metal adsorption by hydrous iron and manganese
Manganesemodified natural sand in the remediation of aquatic environment contaminated with heavy metal toxic ions. Cadmium adsorption in freshwaters — a quantitative appraisal of the literature. Science of The Total Environment 1983, 30, 129146. DOI: 10.1016/00489697(83)900074.
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Adsorption of cadmium onto modified nanosized magnetite
AbstractIn this study, adsorptive removal of cadmium(II) from aqueous solutions using sodium dodecyl sulfatemodified magnetite nanoparticles was modeled. To this aim, central composite design as one of the most favorable designs in response surface methodology (RSM) was employed to optimize the removal of Cd(II) from solution under different variables such as adsorbent dosage (0.1–0.55 g
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The Adsorption of Cd(II) on Manganese Oxide Investigated
Manganese (Mn) oxide is a ubiquitous metal oxide in subenvironments. The adsorption of Cd(II) on Mn oxide as function of adsorption time, pH, ionic strength, temperature, and initial Cd(II) concentration was investigated by batch techniques.
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Original Research Sorption of Lead and Cadmium Cations on
Sorption of Lead and Cadmium Cations on Natural and ManganeseModified Zeolite Anna M. Anielak1*, Rafał Schmidt2 1Faculty of Environmental Engineering, Cracow University of Technology, Poland 2Department of Water and Wastewater Technology, Koszalin University of Technology, Śniadeckich 2, 75453 Koszalin, Poland Received: 27 May 2010
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Adsorption behavior and removal mechanism of arsenic on
Iron–manganese binary oxide (FeMnO x) is considered highly effective for arsenic adsorption, however, the agglomeration effect hindered its practical appliion.In this study, graphene has been used as a supporting matrix to disperse FeMnO x due to its huge specific surface area, and the synthesized novel composite adsorbent (FeMnO x /RGO) was employed for arsenic removal.
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Cadmium adsorption on manganese modified bentonite and
The modified surface of granulated activated carbon increased the adsorption capacity for adsorption of Cu 2 + and Cd 2 + greatly (Fan and Anderson, 2005). Puppa performed the adsorption of ions Cd 2 +, Zn 2 + and Cu 2 + on amorphous manganese oxides and synthetic birnessite (MnO 2) at pH 4 and 5.5. The both adsorbents were found to be
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Investigating the sorption behavior of cadmium from
Cd(II) adsorption mechanisms were mainly controlled by interaction with minerals, complexation with oxygencontaining functional groups, and ionπ interaction. The sorption capacity was significantly reduced after a deash treatment of biochar, almost shrunk by 3 and 3.5 times for pristine biochar (PBC) and modified biochar (MBC).
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Cadmium adsorption on manganese modified bentonite and
May 10, 2016 · Read "Cadmium adsorption on manganese modified bentonite and bentonite–quartz sand blend, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at
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Removal of cadmium and humic acid from aqueous solutions
ABSTRACT: The sorption of cadmium and humic acids from aqueous solutions using surfacemodified nanozeolite A has been investigated under various examination conditions. The morphology of untreated and treated nanozeolite was studied under scanning electron microscope and transmission electron microscope. Isotherms of cadmium adsorption onto
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Cd(II) adsorption from aqueous solution by raw and
This study aimed to investigate the adsorption and desorption potential of raw kaolinite (Kaol) and manganese oxide (MnO 2)modified kaolinite (MnOKaol) for the removal of cadmium (Cd(II)) ions from aqueous solution and waste water.The chemical and morphological characterizations of kaol and MnOKaol were carried out by using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared
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Journal of Chemical and Pharmaceutical Research, 2018, 10
The influence of pH on the adsorption of heavy metals cadmium, manganese and cobalt was studied on a chemically modified clay. The isotherms were realized at pH 2 3 4 and 6.5. The heavy metals were applied as nitrates with initial concentrations ranging from 10 to 50 ppm. The adsorption was
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Removal of cadmium ions from aqueous solution using
Removal of cadmium ions from aqueous solution using chemically modified peanut shell Liang Xu and Zhijun Zhuang* Jilin University of Chemical Technology, China _____ ABSTRACT The efficiency of chemically modified peanut shell (CMPS) on adsorbing cadmium ions was evaluated in this paper. The kinetic, isothermal and thermodynamic models were
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Modifiion of Natural Clay Surface with ManganeseOxide
Natural clay (NC) and its surface modified with manganese oxide (MnONC) was assessed for removal of Cd (II) ion by batch adsorptive process. The surface modifiion of NC was chemically prepared with manganese chloride in basic solution by simple procedure, resulting in larger surface area than raw material by about 10times. FTIR spectra and SEM photograph showed the unique characteristic
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Investigating the sorption behavior of cadmium from
Cd(II) adsorption mechanisms were mainly controlled by interaction with minerals, complexation with oxygencontaining functional groups, and ionπ interaction. The sorption capacity was significantly reduced after a deash treatment of biochar, almost shrunk by 3 and 3.5 times for pristine biochar (PBC) and modified biochar (MBC).
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ADSORPTION OF CADMIUM AND COPPER BY MANGANESE
Cadmium and copper adsorption by δMnO2 was investigated by potentiometric titration over a range of pH. Adsorption increased with increasing pH because of hydrolysis of metal ions and/or variable charge sites on δMnO2 δMnO2. The surface acidity constant for δMnO2 was determined using the Trip
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The Adsorption of Cd(II) on Manganese Oxide Investigated
Manganese (Mn) oxide is a ubiquitous metal oxide in subenvironments. The adsorption of Cd(II) on Mn oxide as function of adsorption time, pH, ionic strength, temperature, and initial Cd(II) concentration was investigated by batch techniques.
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ADSORPTION OF CADMIUM AND COPPER BY MANGANESE
Cadmium and copper adsorption by δMnO2 was investigated by potentiometric titration over a range of pH. Adsorption increased with increasing pH because of hydrolysis of metal ions and/or variable charge sites on δMnO2 δMnO2. The surface acidity constant for δMnO2 was determined using the Triple Layer Model to be pKint,a2 = 5.34.
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Sorption of lead ions on diatomite and manganese oxides
Diatomite and manganese oxides modified diatomite are an effective adsorbents for removing lead ions from solution. The sorption capacity of diatomite and modified diatomite were 24 and 99 mg g −1 for lead ions, respectively. The high increase in sorption efficiency of Mndiatomite was attributed to high negative surface charge on the
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Cd(II) adsorption from aqueous solution by raw and
This study aimed to investigate the adsorption and desorption potential of raw kaolinite (Kaol) and manganese oxide (MnO 2)modified kaolinite (MnOKaol) for the removal of cadmium (Cd(II)) ions from aqueous solution and waste water.The chemical and morphological characterizations of kaol and MnOKaol were carried out by using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared
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Adsorption of Zinc(II) on diatomite and manganeseoxide
Adsorption of Zinc(II) on diatomite and manganeseoxidemodified diatomite: A kinetic and equilibrium study Article in Journal of hazardous materials 193:2736 · June 2011 with 465 Reads
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Journal of Chemical and Pharmaceutical Research, 2018, 10
The influence of pH on the adsorption of heavy metals cadmium, manganese and cobalt was studied on a chemically modified clay. The isotherms were realized at pH 2 3 4 and 6.5. The heavy metals were applied as nitrates with initial concentrations ranging from 10 to 50 ppm. The adsorption was
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Sorption of Lead Ions on Diatomite and Manganese Oxides
While modified the diatomite with sixteen alkyl trimethylamine bromide solution, manganese dioxide and calcium carbonate, the effects of diatomite dosage, adsorption time and initial pH value on
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Adsorption of Cadmium(II) Ion from Aqueous Solution onto a
This work was focused on evaluating the potential of bamboo powder modified with manganese oxide (MnOBP) as a lowcost byproduct adsorbent for the adsorption of cadmium(II) ion. A batch method was carried out at room temperature and the optimized conditions. The optimization of adsorption parameters including pH, equilibrium time, dosage and initial Cd(II) concentration was also
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Adsorption of copper, cadmium, lead and zinc onto a
Adsorption of copper, cadmium, lead and zinc onto a synthetic manganese oxide Lo c Della Puppa, Fran˘cois Bordas, Michael Kom arek, JeanClaude Bollinger, Emmanuel Joussein To cite this version: Lo c Della Puppa, Fran˘cois Bordas, Michael Kom arek, JeanClaude Bollinger, Emmanuel Joussein.
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ADSORPTION OF CADMIUM AND COPPER BY MANGANESE
Cadmium and copper adsorption by δMnO2 was investigated by potentiometric titration over a range of pH. Adsorption increased with increasing pH because of hydrolysis of metal ions and/or variable charge sites on δMnO2 δMnO2. The surface acidity constant for δMnO2 was determined using the Trip
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Sorption of Lead and Cadmium Cations on Natural and
Download Citation on ResearchGate Sorption of Lead and Cadmium Cations on Natural and ManganeseModified Zeolite Our work shows that active masses modified with manganese
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Sorption of Lead and Cadmium Cations on Natural and
Download Citation on ResearchGate Sorption of Lead and Cadmium Cations on Natural and ManganeseModified Zeolite Our work shows that active masses modified with manganese
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Adsorption of Cadmium on Bed Sediments of SpringerLink
The adsorption characteristics of cadmium on bed sediments ofriver Hindon in western Uttar Pradesh (India) have been studied.The effect of various operating variables, viz., initial concentration, solution pH, sediment dose, contact time, particlesize and temperature has been studied.
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Investigating the sorption behavior of cadmium from
Abstract. In this work, a KMnO 4modifiedbiocharbased composite material with manganese oxide produced at 600 °C was fabried to investigate the sorption mechanism of Cd(II) and to comprehensively evaluate the effect of the modifiion on biochar properties.Cd(II) adsorption mechanisms were mainly controlled by interaction with minerals, complexation with oxygencontaining
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Comparing the adsorption mechanism of Cd by rice straw
Biochar was considered as an effective and novel sorbent for cadmium (Cd) adsorption from aqueous solution. In this study, the adsorption isotherm investigations were conducted to examine the effect of biochar produced via pyrolysis from rice straw on removing aqueous Cd before and after modifiion by 2 M KOH solution. Langmuir and Freundlich adsorption isotherms can preferably describe the
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Adsorption of Divalent Cadmium (Cd(II)) from Aqueous
Jun 15, 2006 · The XPS data suggests that cadmium was mainly adsorbed as Cd2+ and was attached to the NH2 group. The adsorption data could be fitted to a twosite Langmuir adsorption isotherm. The data obtained at various temperatures provided a single characteristic curve when correlated according to a modified Polanyi''s potential theory.
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Manganesemodified biochar for highly efficient sorption
Manganesemodified biochar for highly efficient sorption of cadmium Article in Environmental Science and Pollution Research · January 2020 with 25 Reads How we measure ''reads''
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Characterization and Properties of Manganese Oxide Coated
Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon. Frontiers of Chemical Science and Engineering 2011, 5 (2), 203208. DOI: 10.1007/s1170501005710. Weihua Zou, Lei Zhao, Runping Han. Adsorption characteristics of uranyl ions by manganese oxide coated sand in batch mode.
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Sorption of lead ions on diatomite and manganese oxides
Diatomite and manganese oxides modified diatomite are an effective adsorbents for removing lead ions from solution. The sorption capacity of diatomite and modified diatomite were 24 and 99 mg g −1 for lead ions, respectively. The high increase in sorption efficiency of Mndiatomite was attributed to high negative surface charge on the
Get Price
Characterization and Properties of Manganese Oxide Coated
Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon. Frontiers of Chemical Science and Engineering 2011, 5 (2), 203208. DOI: 10.1007/s1170501005710. Weihua Zou, Lei Zhao, Runping Han. Adsorption characteristics of uranyl ions by manganese oxide coated sand in batch mode.
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Cadmium adsorption on manganese modified bentonite and
May 10, 2016 · Read "Cadmium adsorption on manganese modified bentonite and bentonite–quartz sand blend, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
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Adsorption of cadmium by Na and Fe modified DeepDyve
Apr 30, 2012 · Read "Adsorption of cadmium by Na and Fe modified zeolitic tuffs and carbonaceous material from pyrolyzed sewage sludge, Journal of Environmental Management" on DeepDyve, the largest online rental service for scholarly research with thousands of
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Sorption of Lead Ions on Diatomite and Manganese Oxides
While modified the diatomite with sixteen alkyl trimethylamine bromide solution, manganese dioxide and calcium carbonate, the effects of diatomite dosage, adsorption time and initial pH value on
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ADSORPTION OF LEAD AND CADMIUM IONS FROM
Adsorption of Lead and Cadmium Ions From Aqueous Solutions by Modified Oil Shale Ash 269 1. Introduction With the global shortage of petroleum and the continuing rise in oil prices, oil shale has become an alternative source of energy and has hence been attracting a lot of attention in recent years [1, 2]. Oil shale is primarily used
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