Results 41 to 50 of about 8,256 (210)

Sorption of Cadmium and Arsenic by goethite and clinoptilolite

open access: yes, 2009
Cadmium (Cd) and arsenic (As) adsorption and desorption by goethite and clinoptilolite were the subjects of this article. Experimental variables were the concentrations of Cd, As, background electrolyte, and the solution pH.
Mitsios, I. K.   +9 more
core   +1 more source

Methanol amination using natural clinoptilolite [PDF]

open access: yes, 2012
M.Tech.Clinoptilolite possesses acid and base properties, and is hydrothermally stable at high temperatures. It can be reactivated by simple oxidation, and is highly selective due to its unique-shape selectivity. It is also not harmful to the environment
Levin, Lance Robin
core   +1 more source

Cement hydration with ultrasound treated clinoptilolite

open access: yes, 2015
There are many cement replacement materials and one of them is zeolites. Zeolites are crystalline solids structures made of silicon, aluminum and oxygen that form a framework with cavities and channels inside where cations, water and/or small molecules ...
Sasnauskas, Vytautas   +4 more
core   +1 more source

Use of a Natural Clinoptilolite Monolith as a Negative Temperature Coefficient Thermistor

open access: yesEngineering Proceedings, 2023
Geomorphic clinoptilolite, a mechanically and thermally stable mineral substance, has very useful electrical properties due to the presence of extra-framework cations in the crystal structure. Indeed, owing to the electrical transport that alkaline earth
Loredana Schiavo, Gianfranco Carotenuto
doaj   +1 more source

(Appendix B) Chemical analysis and formulae of clinoptilolite samples of ODP Hole 127-797B

open access: yes, 1999
(Appendix B) Chemical analysis and formulae of clinoptilolite samples of ODP Hole 127 ...
Bohrmann, Gerhard   +3 more
core   +1 more source

Removal of ammonia by clinoptilolite [PDF]

open access: yesGlobal NEST Journal, 2013
The important advantage of zeolite applied to water treatment is its high porosity when comparing to other minerals. The porosity results in good hydrodynamic properties (the increase in the pressure loss on the zeolite filters is 1.5-2.0 times smaller than in the case of sand filters) and adsorption roperties, and in turn high capacity which allows
openaire   +1 more source

Covalent Organic Frameworks in Smart Food Packaging: Advances, Challenges, and Future Prospects

open access: yesComprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 6, November 2026.
ABSTRACT Food preservation challenges have positioned packaging as a rapidly evolving, innovation‐driven field, with smart packaging offering transformative solutions. Among advanced materials, covalent organic frameworks (COFs) have attracted growing attention due to their permanent porosity, structural tunability, high surface area, and chemical ...
Sara Esteghlal   +3 more
wiley   +1 more source

Hydrothermal transformation of clinoptilolite

open access: yesBulletin of Materials Science, 1985
Procedure for hydrothermal transformation of natural clinoptilolite at 160°C is described. The synthesis is carried out in the system Na2O-Al2O3-SiO2-H2O. Products of 24–168 hr runs are characterized by x-ray diffraction,ir spectroscopy, energy dispersive analysis of x-rays (edax), and electron microscopy.
M S Joshi, V V Joshi
openaire   +2 more sources

Removal of Heavy Metals from Aqueous Solution using Clinoptilolite and Stilbite [PDF]

open access: yes, 2014
Heavy metals are highly toxic and they must be removed from the polluted streams. Аdsorption by zeolites is currently considered to be very suitable for wastewater treatment because of its simplicity and cost effectiveness.
Zendelska, Afrodita   +4 more
core   +1 more source

Waste Loading and Durability of Calcium Aluminosilicate Glasses for Immobilization of Plutonium‐Contaminated Material

open access: yesInternational Journal of Applied Glass Science, Volume 17, Issue 4, October 2026.
ABSTRACT Calcium aluminosilicate (CAS) glass was assessed for its ability to immobilize elements present in Plutonium‐Contaminated Materials (PCM) including metals (Fe and Cr), polyvinyl chloride (PVC), and Pu (investigated using the nonradioactive surrogates Ce and Hf).
D. Parkes   +8 more
wiley   +1 more source

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