Results 51 to 60 of about 57,071 (194)

Methodological review of zeolite synthesis from industrial waste and natural clays and the fabrication of hierarchical pore structures

open access: yesNext Materials
Zeolites are one of the crucial materials with versatile industrial applications ranging from water purification to gas separation and heterogeneous catalysis.
Abarasi Hart, Joseph Wood
doaj   +1 more source

Cs+ and Sr2+ adsorption selectivity of zeolites in relation to radioactive decontamination

open access: yesJournal of Asian Ceramic Societies, 2015
Zeolites are used as adsorbents of cationic elements in the radioactive decontamination process of water, soil and others. We determined Cs+ and Sr2+ adsorption selectivity of some zeolites to know effective zeolite species for the decontamination of ...
M.W. Munthali   +3 more
doaj   +1 more source

The Synthesis of Zeolites A, X and HS from Natural Iranian Kaolinite and the Study of the Transformation of Zeolites X to HS and Zeolites Y to P by X-ray diffraction and Scanning Electron Microscopy. [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1989
Zeolites A, X and HS were synthesized from natural Iranian Kaolinite by alkaline fusion,,followed by refluxing the mixture. The transformation of zeolites X to HS and Y to P were studied at different time intervals by X-ray diffraction and Scanning ...
doaj  

Mechanisms of formation of extraframework Al2O3 in zeolites

open access: yes, 1997
Extraframework alumina in zeolites is considered by some authors to play a crucial role in the establishment of their reactivity. Charge transfer molecular dynamics simulations (CTMD) in the microcanonical ensemble of zeolite Y confirmed that ...
Alvarez, LJ   +5 more
core   +1 more source

STUDY ON THE INFLUENCE OF ALUMINOSILICATES USED AS FEED ADDITIVES ON THE QUANTITY AND QUALITY OF MEAT: A BIBLIOGRAPHIC ANALYSIS [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development
Aluminosilicates, including zeolites, have garnered attention in animal husbandry due to their diverse applications for improving meat quality. This review synthesizes research findings on the impact of zeolites on various meat quality parameters ...
Olga DRĂGHICI   +2 more
doaj  

A New Method for Characterization of Natural Zeolites and Organic Nanostructure using Atomic Force Microscopy [PDF]

open access: yes, 2012
In order to study and develop an economic solution to environmental pollution in water, a wide variety of materials were investigated. Natural zeolites emerge from that research as the best in class of this category.
Domenico P. R. O. F. Fuoco
core  

Estudo da adsorção de compostos sulfurados empregando zeólitas contendo zinco Study of adsorption of sulphur compounds employing zeolites containing zinc

open access: yesQuímica Nova, 2009
This paper deals with an adosrption of sulphur compounds employing zeolites containing zinc. The zeolites employed were commercial NaY and Beta. The zinc was incorporated in three levels: 0.5; 1.0 and 5%. The sulphur compounds studied were benzothiophene
Álvaro L. Malvesti   +4 more
doaj   +1 more source

Acidity of Zeolites

open access: yes
Zeolites, known for their crystallinity and porosity, exhibit versatile acid functionalities, making them valuable industrial catalysts. This chapter discusses the acidity of zeolites, including Brønsted and Lewis acids, and their variations. It focuses on the principal methodologies for adjusting zeolite acidity, including isomorphous substitution ...
Shamzhy, Mariya, Gil, Barbara
openaire   +2 more sources

Catalytic ozonation for the removal of anthropogenic organic contaminants in water [PDF]

open access: yes
The ZSM-5 zeolites with varying silica to alumina ratios and with both hydrogen and sodium counter ions (Z1000H:SiO2/Al2O3 = 1000, Z900Na:SiO2/Al2O3 = 900, Z25H:SiO2/Al2O3 = 25 and Z25Na:SiO2/Al2O3 = 25) and γ-alumina have been selected as catalysts. The
Ikhlaq, Amir
core   +2 more sources

Noble Metal Particles Confined in Zeolites: Synthesis, Characterization, and Applications

open access: yesAdvanced Science, 2019
Noble metal nanoparticles or subnanometric particles confined in zeolites, that is, metal@zeolite, represent an important type of functional materials with typical core–shell structure.
Yuchao Chai   +6 more
doaj   +1 more source

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