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Magnetic zeolites: novel nanoreactors through radiofrequency heating† Jaime Garcı´a-Aguilar,‡a Javier Ferna´ndez-Garcı´a,‡b Evgeny V. Rebrov,bc Martin Richard Lees,b Pengzhao Gao,d Diego Cazorla-Amoro´sa and A´ngel Berenguer-Murcia *a Many catalytic applications use conventional heating to increase the temperature to allow the ...
Abstract Magnetic natural zeolite analcime nanoparticles modified by N-Phenylaza-15-Crown-5 were prepared and used as an adsorbent for extraction and preconcentration of cadmium ion through magnetic solid-phase extraction (MSPE) method. After adsorption, these ions were desorbed with nitric acid followed by the determination with electrothermal atomic absorption spectrometry.
Fe3O4/SO3H@zeolite-Y as a novel multi-functional and magnetic nanocatalyst for clean and soft synthesis of imidazole and perimidine derivatives Mehdi Kalhor * and Zohre Zarnegar In this study, SO
Magnetic zeolite is the combination of adsorption properties of zeo-lite with the magnetic properties of magnetic oxides which together forms a novel magnetic adsorbent.
The magnetic component (Fe0), zeolite matrix and iron impregnated into the framework of the zeolite together form the unique novel composite with designed functions.
A high-performance magnetic molecularly imprinted polymer (MIP) coating using zeolite imidazolate framework-8 coated magnetic iron oxide (Fe3O4@ZIF-8) as a carrier was developed for simultaneous automated solid phase microextraction of four estrogens in …
A novel methodology is presented for the preparation of magnetic zeolite-based catalysts, allowing more efficient radiofrequency heating. These nanoreactors are tested in the isomerisation of citronellal with successful results and without any apparent deactivation.
A novel adsorption air conditioner is designed that supplies 8–12 C chilled water for the fan coil in the locomotive operator cabin. Different from other two-bed adsorption cooling systems, this system has two adsorption/desorption chambers. One adsorber, one condenser and one evaporator are housed in one and the same adsorption/desorption ...
Feb 24, 2020· Abstract Proteins have a critical role in life, and their separation and detection are of high importance. In the present study, magnetic hydroxyapatite was reinforced with zeolite to become a novel adsorbent synthesized by microwave-assisted method to separate protein via magnetic solid-phase extraction. The synthesized procedure was optimized through the mass ratio of zeolite to ...
Jul 03, 2018· A novel magnetic zeolite composed of zeolite A and sodalite with good magnetic stability was synthesized from FA after loading of Fe 3 O 4. In the synthesis process, Fe 3 O 4 nanoparticles on the surface of FA were occluded in zeolites or covered under zeolite layer.
In this study, a novel magnetic zeolite nanocomposite (MZNC) was prepared by nanozeolite A and iron oxide. Nanocrystalline zeolite A was synthesized, and then, iron oxide nanocrystals were prepared in the presence of nanozeolite. The prepared nanocomposite was characterized by XRD, XRF, FT-IR, DTG, VSM, and TEM methods.
Feb 09, 2018· Novel Semi Crystalline, Soluble and Magnetic Poly(imide-ether)/Zeolite Nanocomposites: Synthesis, Characterization and Computational Study Download PDF Published: 09 February 2018
Mar 24, 2017· A novel methodology is presented for the preparation of magnetic zeolite-based catalysts, allowing more efficient radiofrequency heating. These nanoreactors are tested in the isomerisation of citronellal with successful results and without any apparent deactivation.
10%· Oct 05, 2017· Magnetic nano-zeolite Y as a novel fluidized bed for air decontamination. R. Zendehdel 1,2, S. Ansari 2, R. Sedghi 3 & M. J. Jafari 2 International Journal of Environmental Science and Technology volume 16, pages 1261–1268 (2019)Cite this article
A novel and simple concept is proposed to synthesize magnetic sorbent of nano silver particles on zeolite for mercury capture from flue gases. The unique feature of magnetic property of the nanocomposite particles makes the subsequent separation of the magnetic sorbents from complex multiphase systems convenient and effective.
The synthesized magnetic Fe 3 O 4 - ZSM-5 nanozeolites have been loaded into the chitosan/PAN nanofibers to increase the performance of nanofibers towa … Fabrication of novel chitosan/PAN/magnetic ZSM-5 zeolite coated sponges for absorption of oil from water surfaces Int J Biol Macromol. 2017 Dec;105 (Pt 1):370-376. doi: 10.1016/j ...
Abstract. As a solid waste, kaolinite type pyrite cinder (KTPC) is a special pyrite cinder, its mineral components include metakaolin and magnetite, and the chemical compositions of these minerals include SiO 2, Al 2 O 3, FeO and Fe 2 O 3.In this study, a novel magnetic 4A zeolite adsorbent was synthesised from KTPC using the hydrothermal method, and the optimum hydrothermal synthesis ...
Nov 27, 2018· The name 'zeolite' originates from the Greek words 'zeo'(to boil) and 'litos' (a stone). The current nomenclature and classification of zeolite materials has been provided by the Structure Commission of the International Zeolite Association that identifies each material based on their framework with a three-letter mnemonic code; for instance, natural zeolite clinoptilolite is ...
Aug 14, 2020· A novel magnetic nano-zeolite (MNZ@MS) is successfully synthesized, characterized and applied to adsorp heavy metals from solution. In the synthesis of MNZ@MS, the fly ash magnetic sphere (MS) and [C 18 H 37 (CH 3) 2-N +-(CH 2) 3-N +-(CH 3) 2 C 18 H 37] Cl 2 is used as carrier and directing agent, respectively. The characterization results of XRD, XRF, XPS and SEM demonstrate …
In the present study, a novel magnetic CdS nanorods (NRs)/NiFe 2 O 4 /NaX zeolite sonocatalyst nanocomposite was successfully synthesized for the first time by a simple ultrasound-assisted solvothermal method. Several techniques, including FTIR, FE-SEM, EDAX, EDAX elemental dot-mapping, TEM, AFM, XRD, VSM, UV-Vis DRS, and N 2-BET, were utilized to characterize the as …
In the present study, magnetic hydroxyapatite was reinforced with zeolite to become a novel adsorbent synthesized by microwave-assisted method to separate protein via magnetic solid-phase extraction.
A novel methodology is presented for the preparation of magnetic zeolite-based catalysts, allowing more efficient radiofrequency heating. These nanoreactors are tested in the isomerisation of citronellal with successful results and without any apparent deactivation.
A novel process for the synthesis of magnetic SrFe 12 O 19 @NaP1 (SFO@NaP1) zeolite using RM industrial waste was proposed. The optimum conditions for RM pretreatment, which consisted of acid leaching (time, temperature, liquid-to-solid ratio, and HCl concentration) and alkali fusion (time, temperature, and acid-leached RM/NaOH mass ratio ...
Jun 10, 2021· This study aimed to prepare an efficient, cost-effective, and separable magnetic zeolite/chitosan composite (MZFA/CS) adsorbent from solid waste to deal with the water pollution of Cr(VI). The MZFA/CS was characterized by X-ray fluorescence (XRF), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and vibrating sample ...
Colloidal particles with controlled structures, morphologies, and functionalities have attracted much attention because of their potential application in column-packing substrates, photonic crystals, drug delivery, chemical sensors, catalysis carriers, and separation of biomacromolecules. In particular, colloidal magnetic microspheres have long been of great interest as hybrid materials ...
Mar 30, 2009· Magnetic zeolite microspheres are synthesized by combining sol-gel synthesis and vapor-phase transport. The microspheres, which have magnetite cores and crystalline zeolite shells (see figure), exhibit super-paramagnetism and a high adsorption capacity for trypsin. Trypsin-adsorbed microspheres digest proteins very efficiently (in only 15 s) in ...
Synthesis, structure, and luminescent and magnetic properties of novel lanthanide metal-organic frameworks with zeolite-like topology Inorg Chem . 2007 Jun 25;46(13):5174-8. doi: 10.1021/ic061666i.
Mar 01, 2013· Highlights A novel magnetic zeolite A nanocomposite was synthesized and characterized. Synthesis was performed through a new two sequential steps method. The nanocomposite was separated efficiently by fast and simple magnetic separation. It showed higher sorption capacity for Cs + and Sr 2+ than microzeolite composite. The adsorption process onto nanocomposite was …
the growth of zeolite crystals on the magnetite particles. In this communication, we report a novel approach to synthesizing core/shell-structured magnetic zeolite micro-spheres (MZMs) with uniform variable diameters (from ca. 600nm to 1mm). The approach combines sol-gel synthesis of a zeolite seed coating and vapor-phase transport (VPT) for ...
Fe 3 O 4 /SO 3 H@zeolite-Y as a novel multi-functional and magnetic nanocatalyst for clean and soft synthesis of imidazole and perimidine derivatives. Mehdi Kalhor * and Zohre Zarnegar Department of Chemistry, University of Payame Noor, P. O. Box 19395-4697, Tehran, Iran. E-mail: [email protected]; Fax: +98 2537179170; Tel: +98 2537179170
Nov 01, 2016· In this study, we report the synthesis of a novel magnetic nanocomposite by embedding magnetite (Fe 3 O 4) nanoparticles in a matrix of zeolite microparticles, then crosslinking the magnetic matrix with glutaraldehyde and finally coating the product with Cs. A comparative evaluation of the adsorption capacities of the nanocomposite against ...
Many catalytic applications use conventional heating to increase the temperature to allow the desired reaction. A novel methodology is presented for the preparation of magnetic zeolite-based catalysts, allowing more efficient radiofrequency heating. These nanoreactors are tested in the isomerisation of citronellal with successful results and without any apparent deactivation.
Synthesis of a novel magnetic zeolite nanocomposite for removal of Cs+ and Sr2+ from aqueous solution: Kinetic, equilibrium, and thermodynamic studies