Cs and Sr removal from solution using potassium nickel hexacyanoferrate impregnated zeolites&lt;/p&gt; &lt;/p&gt;

Kazemian, Hossein; Zakeri, Hamid Reza; Rabbani, Mahboubeh

doi:10.1007/s10967-006-0158-x

Cited by 36 publications

(16 citation statements)

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“…In order to improve their mechanical properties, deposition of insoluble hexacyanoferrates on various solid supports has been suggested as a possible solution. Different composite adsorbents were fabricated by loading nanosized HCFs onto the surface or inside of pores of inert solid supports such as silica gels [4], zeolites [5], zirconium and titanium hydroxides [6], different organic ion exchangers [7,8], etc.…”

Section: Introductionmentioning

confidence: 99%

Development of novel nanocomposite adsorbent based on potassium nickel hexacyanoferrate-loaded polypropylene fabric

Bondar¹,

Kuzenko²,

Han

et al. 2014

Nanoscale Res Lett

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A nanocomposite adsorbent based on potassium nickel hexacyanoferrate-loaded polypropylene fabric was synthesized for selective removal of Cs ions from contaminated waters by a two-stage synthesis: radiation-induced graft polymerization of acrylic acid monomer onto the nonwoven polypropylene fabric surface with subsequent in situ formation of potassium nickel hexacyanoferrate (KNiHCF) nanoparticles within the grafted chains. Data of scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy confirmed the formation of KNiHCF homogeneous phase on the fabric surface, which consisted of crystalline cubic-shaped nanoparticles (70 to 100 nm). The efficiency of the synthesized adsorbent for removal of cesium ions was evaluated under various experimental conditions. It has demonstrated a rapid adsorption process, high adsorption capacity over a wide pH range, and selectivity in Cs ion removal from model solutions with high concentration of sodium ions.

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Section: Introductionmentioning

confidence: 99%

Development of novel nanocomposite adsorbent based on potassium nickel hexacyanoferrate-loaded polypropylene fabric

Bondar¹,

Kuzenko²,

Han

et al. 2014

Nanoscale Res Lett

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“…Various methods can be used for synthesis of ferrocyanides: precipitation of sediments with further granulation by freezing or drying [1,2], precipitation of ferrocyanides onto surfaces of inert supports (glass, silica gel, alumogel, cellulose, polyethylene terephthalate, polypropylene membranes) [3,4], modification of sorption active supports (ion exchange resins, aluminosilicates, hydrated oxides) by ferrocyanides [5][6][7][8][9], synthesis of composition sorbents including ferrocyanides of transition metals and silica gel [10,11], sol-gel method [12]. The detail review of methods of synthesis of sorbents (including ferrocyanides) can be found in the work [13].…”

Section: Introductionmentioning

confidence: 99%

“…The exchange of caesium ions on ferrocyanides with obtaining of Langmuir isotherms is considered as the main sorption chemism in works [9][10][11], but there is no any information about reversibility of sorption. In the work [14] sorption on ferrocyanides is described by Freundlich isotherm.…”

Section: Introductionmentioning

confidence: 99%

Peculiarities of sorption isotherm and sorption chemisms of caesium by mixed nickel–potassium ferrocyanide based on hydrated titanium dioxide

Воронина

Семенищев

Nogovitsyna

et al. 2013

J Radioanal Nucl Chem

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Sorption isotherm of caesium from tap water by mixed nickel-potassium ferrocyanide based on hydrated titanium dioxide is obtained for a wide range of concentrations of caesium. It is shown that there are three types of specificity to caesium sorption sites in this sorbent. Sorption chemisms of caesium are studied, factors conditioned high sorption capacity of the sorbent are revealed. It is shown that occupation of sorption sites I and II is well approximated by Langmuir equilibrium and this process can be described within the bounds of theory of ion exchange. The expected sorption chemism of caesium by sorption sites III at high concentrations of caesium ([50 mg L -1 ) is precipitation of mixed nickel-caesium ferrocyanide in pore space of the sorbent.

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“…The product was reacted with 20.0 mL of 1.0 M, K 4 Fe(CN) 6 solution, and then the functionalized sample was separated, washed with deionized water and acetone and dried at 90°C (Kazemian, et al . ).…”

Section: Methodsmentioning

confidence: 97%

Remediation of pharmaceutical contaminated water by use of magnetic functionalized metal organic framework. Physicochemical study of doxycycline adsorption

Naeimi

Faghihian

2018

Water & Environment J

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The presence of pharmaceutical pollutant, doxycycline (DOC) in water and waste streams has negative impact on the environment. In this research, metal organic framework was synthesized and functionalized by potassium nickel ferrocyanide (KNiFC). After characterisation, the functionalized adsorbent was used for removal of DOC from aqueous solutions. The adsorbent containing 80% of KNiFC exhibited the high adsorption capacity of 100 mg/g. The adsorption process was kinetically fast and the equilibration was established within 30 min. The used adsorbent retained 90% of its initial capacity after regeneration. The magnetic susceptibility of the adsorbent measured by VSM technique was 35 emu/g and sufficient for separation of the used adsorbent by external magnetic field. Isotherm models including Langmuir, Freundlich, Tempkin, Redlich‐Peterson, and Sips were applied to correlate the experimental equilibrium data. To evaluate the fitness of the isotherm equations error analysis methods, residual root mean square error and average relative error were used.

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Cs and Sr removal from solution using potassium nickel hexacyanoferrate impregnated zeolites</p> </p>

Cited by 36 publications

References 0 publications

Development of novel nanocomposite adsorbent based on potassium nickel hexacyanoferrate-loaded polypropylene fabric

Development of novel nanocomposite adsorbent based on potassium nickel hexacyanoferrate-loaded polypropylene fabric

Peculiarities of sorption isotherm and sorption chemisms of caesium by mixed nickel–potassium ferrocyanide based on hydrated titanium dioxide

Remediation of pharmaceutical contaminated water by use of magnetic functionalized metal organic framework. Physicochemical study of doxycycline adsorption

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