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Photocatalytic performance of Agmodified natural zeolite ...

For preparation of Ag+modified zeolite (ZAg), Na form of zeolite was added to a volume of M Ag+ solution (as nitrate salt) corresponding to a solid/liquid ratio of 1/100. The ion exchange process has been conducted under magnetic stirring, at room temperature, for 8 h.

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Surfactant Modified Zeolite from Cyclone Ash as Adsorbent ...

Surfactant Modified Zeolite from Cyclone Ash as Adsorbent for Removal of Reactive Orange 16 from Aqueous Solution. American Journal of Environmental Protection , 1 (1), 19. Fungaro, Denise A., Sueli I. Borrely, and Terezinha Carvalho.

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Removal of Pb ion from water by magnetically modified zeolite

The removal of Pb ion from diluted solutions by sorption onto magnetically modified zeolite (MMZ) and magnetic separation, was studied at laboratory scale.

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Significant Influence of Zn on Activation of the C‐H Bonds ...

ChemPhysChem Volume 9, Issue 17. Article. ... Solidstate nuclear magnetic resonance investigations of the nature, property, and activity of acid sites on solid catalysts, Solid ... 1H and 13C MAS NMR studies of light alkanes activation over MFI zeolite modified by Zn vapour, Solid State Nuclear Magnetic ...

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A simple synthesis of magnetically modified zeolite ...

A composite of zeolite with magnetite was prepared by urethane coating. Formation of magnetic modified zeolite (MMZ) was confirmed by magnetization measurements and Xray diffraction (XRD) pattern analysis. Also, scanning electron microscopic (SEM) analysis reveals the presence of zeolite and magnetite particles.

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USING OF NATURAL ZEOLITES AS A HEAVY METALS …

USING OF NATURAL ZEOLITES AS A HEAVY METALS ABSORBER FOR WASTEWATER REUSE IN IRRIGATION Sayyed Hassan Tabatabaei *and Abdolmajid Liaghat** ... Because of magnetic susceptibility and high cation capacity the modified zeolite …

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Adsorption of Ammonium Ion from Anaerobic Digester ...

Magnetically modified zeolite (MMZ) can be used to solve this problem. Magnetic carrier methods have been widely used in various processes such as the separation of biological cells, the treatment of wastewater and mineral processing [7]. The essence of this method is to combine a discrete magnetic phase with nonmagnetic target

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Fluoride ion adsorption from wastewater using magnesium(II ...

Three types of modified zeolite to be employed as an adsorbent were separately prepared with 20 wt% MgSO 4, 15 wt% Al 2 (SO 4) 3, and 10 wt% Ti(SO 4) 2 at 313 K for 6 h using a magnetic stirrer at 40 rounds per minute (rpm). Before the modification experiments, the natural zeolites were first dipped in mol/L NaOH at 313 K for 2 h.

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Adsorption of cadmium(ii) and copper(ii) from soil and ...

In this study an adsorbent, a magnetic zeolite modified with 2(3,4dihydroxyphenyl)1,3dithiane, was synthesized as an easily separable sorbent for the simultaneous removal of two toxic heavy metals, cadmium and copper, from soil and water samples.

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Magicanglespinning nuclear magnetic resonance and ...

Jacobs et al. (Editors), Zeolite Chemistry and Catalysis 0 1991 Elsevier Science Publishers .Amsterdam 453 Magicanglespinning nuclear magnetic resonance and infrared studies on modified zeolites E. Brunner, D. Freude, M. Hunger, H. Pfeifer and B. Staudte Sektion Physik der Universitat Leipzig, LinnhtraJe 5, 0701 0 Leipzig,

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US20050197245A1 Selective zeolite catalyst modification ...

A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphoruscontaining acid solution, and treating the zeolite catalyst with the dissolved alumina solution. A method of preparing an aromatic product, such as a xylene product, is also achieved by contacting the modified zeolite catalyst with an aromatic hydrocarbon, such as ...

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Structural characteristics of modified natural zeolite ...

Abstract. Natural zeolite of Slovak provenience has been modified with magnetic nanoparticles at selected temperatures of 20, 50 and 85 °C with the aim to enhance its sorption properties.

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US7285511B2 Method of modifying zeolite catalyst ...

Shape selective properties can be obtained in modified zeolite catalysts by modifying zeolite pore opening size, inactivation of the external surface of the zeolite or controlling zeolite acidity. ... The beaker was placed on a hot plate and the zeolite suspension was stirred using a magnetic stir bar. The temperature of the suspension was ...

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Preparation and Characterization of Natural Zeolite ...

The characterization of pristine and modified zeolite was performed by Fourier transform infrared (FTIR), transmission electron microscopy (TEM), and Xray diffraction (XRD). ... Journal of Nanomaterials is a peerreviewed, Open Access journal that aims to bring science and applications together on nanoscale and nanostructured materials with ...

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MAGNETIC ZEOLITE AS ARSENIC SORBENT

zeolite, pure iron oxides (prepared without the presence of zeolite) and magnetic zeolite are given in Table 1. TABLE 1. The characteristics of natural zeolite, pure iron oxides and modified zeolite Properties Natural zeolite Iron oxides Modified zeolite Surface area (m2/g) Total pore volume (cm3/g)

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Synergic Effect of Active Sites in Zinc‐Modified ZSM‐5 ...

Synergic Effect of Active Sites in ZincModified ZSM5 Zeolites as Revealed by HighField SolidState NMR Spectroscopy. ... Dr. Guodong Qi, National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, CAS Key Laboratory of Magnetic Resonance in Biological Systems, Wuhan Institute ...

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Adsorption Behaviour of Modified Zeolite as Novel ...

Adsorption Behaviour of Modified Zeolite as Novel Adsorbents for Fluoride Removal from Drinking Water: Surface Phenomena, Kinetics and Thermodynamics Studies ... magnetic stirrer. After stirring the slurry was filtered and material obtained was washed with DI water for 4 times.

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Surfactant Modified Zeolite from Cyclone Ash as Adsorbent ...

Zeolite synthesized from cyclone ash (ZCA) was modified with various loadings of hexadecyltrimethylammonium bromide (HDTMABr) and was used as adsorbent to remove Reactive Orange 16 (RO16), an azo reactive dye, from aqueous solution. The RO16 adsorption efficiencies for ZCA and surfactantmodified zeolites from cyclone ash (SMZCAs) were compared.

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Synthesis and characterization of magnetic ZSM5 zeolite ...

Synthesis and characterization of magnetic ZSM5 zeolite. Authors; Authors and affiliations ... Guo Juan et al. Binderfree ZSM5 zeolite catalysts modified with framework dealumination[ J]. Acta Chimica Sinica, 2008, 66 ... Liu Xiuwu et al. Synthesis and characterization of magnetic 4A zeolite[J]. Journal of Tianjin University, 2009, 42(2 ...

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Methane Activation over ZnModified MFI Zeolite: NMR ...

Center for Magnetic Tomography and Spectroscopy, Moscow State University. ... Abstract: In relation to the reported methane activation on Znmodified zeolite ZSM5 at room temperature to afford the surface methoxy species by Xu et al. (Chem. , 3, 2932), ...

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Adsorption of Cadmium (II) and Copper (II) onto Magnetic ...

Abstract—In this study, the magnetic bentonite absorbent modified by 2(3,4dihydroxyphenyl)1,3dithiolane, was synthesized for simultaneous removal of two toxic heavy metals of cadmium and copper from soil and water samples. ... zeolite [7] and clay [8], [9] have been reported to help remove heavy metals. In order to

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A simple synthesis of magnetically modified zeolite

A composite of zeolite with magnetite was prepared by urethane coating. Formation of magnetic modified zeolite (MMZ) was confirmed by magnetization …

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A modified ZSM5 zeolite/Fe2O3 composite as a sorbent for ...

A modified ZSM5 zeolite/Fe 2 O 3 composite as a sorbent for magnetic dispersive solidphase microextraction of cadmium, mercury and lead from urine samples prior to inductively coupled plasma optical emission spectrometry

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Detoxing with Zeolites Global Healing Center Health ...

Jul 02, 2014· Detoxing with Zeolites. Email. Print. Share. by Dr. Edward Group DC, NP, DACBN, DCBCN, DABFM ... One natural Zeolite, ... The molecules in Zeolites contain a powerful magnetic energy, which can be used to attract and hold several types of toxins. The idea is that Zeolites pull the metals out of afflicted tissues and into themselves.

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