Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Josef Kotrla"'
Publikováno v:
Applied Catalysis A: General. 277:191-199
The effect of the structure of large pore zeolites of Mordenite, beta, L and Y types on the activity, selectivity to xylenes and time-on-stream stability was investigated in trimethyl benzene disproportionation. Significant differences in conversion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b241ac1748e41ee470043110d5a68569
https://doi.org/10.1016/j.apcata.2004.09.012
https://doi.org/10.1016/j.apcata.2004.09.012
Publikováno v:
The Journal of Physical Chemistry B. 108:16012-16022
The interaction of pyrrole with alkali metal ion exchanged ZSM-5 (Li+, Na+, K+, Rb+, and Cs+) was studied by the combination of FTIR spectroscopy and the computational hybrid quantum mechanics/interatomic potential function method describing the role
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5c15cf518fd73fbe012c63ba305ab69
https://doi.org/10.1021/jp048768j
https://doi.org/10.1021/jp048768j
Publikováno v:
Collection of Czechoslovak Chemical Communications. 68:1998-2018
The effect of the framework Al content and synthesis procedure on the number of framework Al atoms located on the surface of (Al)MCM-41 channels and the distribution of the Al atoms between single Al atoms and various Al-O-(SiO)1,2-Al species was inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdced661ae44aa4e9eb7139d5d18fde4
https://doi.org/10.1135/cccc20031998
https://doi.org/10.1135/cccc20031998
Publikováno v:
Microporous and Mesoporous Materials. 53:121-133
The influence of the pore architecture of zeolites MCM-22 and MCM-58 on their catalytic activity and selectivity in the gas-phase alkylation of toluene with propylene has been investigated. The results obtained with MCM-22 as catalyst revealed that,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c32f52ce5f81142a39cc6791681b39f
https://doi.org/10.1016/s1387-1811(02)00332-3
https://doi.org/10.1016/s1387-1811(02)00332-3
Publikováno v:
Journal of Catalysis. 200:345-351
Two types of NH+4 cations can be distinguished in the surface layer of NH+4 mordenite by XPS, viz., NH+4 cations coordinated in the side pockets (22%) and in the main channels (78%). Additionally, nonframework SiOx species were observed in the morden
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6143170ea7f8bfa7608dc59e129d0bef
https://doi.org/10.1006/jcat.2001.3220
https://doi.org/10.1006/jcat.2001.3220
Publikováno v:
The Journal of Physical Chemistry B. 102:1437-1443
The adsorption of acetonitrile on H-[Fe]ZSM-5 and H-[Al]ZSM-5 was studied using microcalorimetry, temperature-programmed desorption (TPD), and FTIR in order to characterize the differences between the Bronsted acid sites in these two materials. Each
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ddce3144a0bd870653b889f2cc34ef4
https://doi.org/10.1021/jp9727299
https://doi.org/10.1021/jp9727299
Publikováno v:
The Journal of Physical Chemistry. 99:10285-10293
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1eb4d245749b459bdc5e372b4235123
https://doi.org/10.1021/j100025a033
https://doi.org/10.1021/j100025a033
Publikováno v:
Journal of Molecular Structure. 349:435-438
Vibrational spectroscopy of molecules hydrogen-bonded to bridging hydroxyls in zeolites is suggested as a promising tool for the direct comparison with gas-phase ab initio results. As an illustration, the FT-IR spectra of pyridine adsorbed on H-Y and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2df335f6b3a1c46816c88b5e03e99804
https://doi.org/10.1016/0022-2860(95)08802-3
https://doi.org/10.1016/0022-2860(95)08802-3
Publikováno v:
Collection of Czechoslovak Chemical Communications. 60:393-402
The hydrogen bonding interactions of the pyridinium ion (PyH+) with the deprotonated skeleton of acid zeolites were studied using Fourier transform infrared (FTIR) spectroscopy and quantum chemical ab initio calculations. It was found that the freque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ccf7183cd67ecf4d9b3081b250326ce
https://doi.org/10.1135/cccc19950393
https://doi.org/10.1135/cccc19950393
Alkali metal exchanged zeolites ZSM-5, X and Y were characterized by adsorption of pyrrole and tested in toluene side-chain alkylation with methanol. Adsorption of pyrrole followed by FTIR spectroscopy and gravimetry indicated that there exist at lea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::343be25f7b816581356d44998d54b4cb
https://doi.org/10.1016/s0167-2991(05)80519-1
https://doi.org/10.1016/s0167-2991(05)80519-1
