Results 1 to 10 of about 9,508 (161)

Cu or Fe-Exchanged Natural Clinoptilolite as Sustainable Light-Assisted Catalyst for Water Disinfection at Near Neutral pH. [PDF]

open access: yesChempluschem
Fe and Cu exchanged natural clinoptilolites are evaluated as heterogeneous photo‐Fenton catalysts for water disinfection under visible light, using E. coli as a model pathogen. Bacterial detection limit is reached in 2 h, with no regrowth observed.
Prieto-Laria P   +9 more
europepmc   +2 more sources

Natural Mordenite from Spain as Pozzolana [PDF]

open access: yesMolecules, 2020
This work deals with anomalous concentrations of natural mordenite in the southeast of Spain. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) studies evidenced that the samples contain mainly monomineral zeolitic phase of mordenite (70% to 74%), usually accompanied by smectite (montmorillonite), the principal component of bentonite ...
Leticia Presa   +3 more
openaire   +6 more sources

Diquaternary Ammonium Compounds in Zeolite Synthesis: Cyclic and Polycyclic N-Heterocycles Connected by Methylene Chains [PDF]

open access: yes, 2009
An additional dimension has been added to our long-standing studies in high silica zeolite synthesis via a guest/host synergism. We have created and studied the impact of making symmetric diquaternary ammonium compounds, by varying the chain length ...
Burton, Allen W.   +3 more
core   +1 more source

Species sensitivity of zeolite minerals for uptake of mercury solutes [PDF]

open access: yes, 2006
The uptake of inorganic Hg2+ and organometallic CH3Hg+ from aqueous solutions by 11 different natural zeolites has been investigated using a batch distribution coefficient (Kd) method and supported by a preliminary voltammetric study.
A. Chimedtsogzol   +13 more
core   +2 more sources

EXAFS Analysis of Size-Constrained Semiconducting Materials [PDF]

open access: yes, 1990
Semiconducting materials such as CdSe, CdS, PbS and GaP are included in crystalline zeolite Y and mordenite and structurally flexible ethylene-methacrylic acid copolymer solid matrices.
Bein, Thomas   +5 more
core   +1 more source

Radicals in carbonaceous residue deposited on mordenite from methanol [PDF]

open access: yes, 2016
It is shown that control of the degree of coking can lead to the observation of hyperfine structures in the carbonaceous residues deposited from methanol over mordenite (H-MOR) at temperatures relevant to the conversion of methanol to hydrocarbons.
Ditzel, Evert J.   +3 more
core   +1 more source

Sorption and activation of hydrocarbons by molecular sieves [PDF]

open access: yes, 1997
Substantial progress has been made recently in the understanding of sorption and activation of alkanes. This progress reflects the emergence of new theoretical and experimental results, leading to a more quantitative picture of the elementary steps ...
Lercher, Johannes A.   +1 more
core   +2 more sources

Dual Chemical Looping/Catalytic Process for Alkylation of Benzene With Ethane and Propane Yielding Ethylbenzene and Cumene Over Copper‐Containing Mordenite

open access: yesAngewandte Chemie, EarlyView.
We report a dual chemical looping/catalytic process coupling alkane dehydrogenation with aromatic alkylation over Cu‐mordenite, yielding up to 25% alkylated aromatics with >95% selectivity per cycle. In situ NMR, FTIR spectroscopy, and DFT show alkylation proceeds via a π‐bound Cu(I)–olefin intermediate and Brønsted acid sites.
Florent J. Dubray   +7 more
wiley   +2 more sources

Conducting polymer wires in mesopore hosts [PDF]

open access: yes, 1994
Nanometer-size conducting structures are of great interest in view of fundamental issues and potential applications. We explore the inclusion chemistry of conjugated polymers and graphite-like materials as a means to create such structures.
Beck   +19 more
core   +1 more source

Krypton retention on solid adsorbents. [Activated alumina; hydrogen mordenite, silver mordenite, sodium mordenite, cerium mordenite-H, cerium mordenite-Na, potassium mordenite-H, potassium mordenite-Na] [PDF]

open access: yes, 1982
An experimental laboratory program was conducted to develop economical solid adsorbents for the retention of krypton from a dissolver off-gas stream. The study indicates that a solid adsorbent system is feasible and competitive with other developing systems which utilize fluorocarbon absorption nd cryogenic distillation.
openaire   +2 more sources

Home - About - Disclaimer - Privacy