Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Dušan Mravec"'
Autor:
Blažej Horváth, Dušan Mravec, Enikö Volkovicsová, Magdaléna Štolcová, Lívia Izsák, József Valyon, Alexander Kaszonyi
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 154:661-671
Autor:
Ferenc Lónyi, Adriána Filková, Szabolcs Harnos, Alexander Kaszonyi, Dušan Mravec, Andrej Turan, Natália Mikesková, György Onyestyák, József Valyon, Enikö Volkovicsová
Publikováno v:
Fuel Processing Technology. 159:111-117
Etherification of glycerol with ethanol, both from renewable resources, was studied over heterogeneous catalysts (zeolites of the type BEA, MOR and FAU) and ion-exchange resin Amberlyst 35. The best results were obtained with zeolite H-Beta (CP 814 Q
Publikováno v:
Applied Catalysis A: General. 468:313-321
The aim of this work was to study possibilities of glycerol ethers preparation from glycerol and isobutylene by using industrially common resources. Therefore C4 petrochemical fraction without 1,3-butadiene with different concentration of isobutylene
Autor:
Alexander Kaszonyi, Dušan Mravec, Peter Lehocký, Gabriel Kostrab, Pavol Hudec, Martin Lovič, Martin Bajus, Jan Uhlar, Andrej Turan
Publikováno v:
Catalysis Communications. 18:176-181
tert -Butylation of diphenylamine (DPA) with different tert -butylation agents isobutylene (IB), tert -butanol (TBA), and C 4 -fraction (C4-IB) in the liquid phase was studied over zeolite catalyst H-BEA (H-BEA CP 814E). This zeolite and acidic clay
Publikováno v:
Applied Catalysis A: General. 335:74-81
tert-Butylation of diphenylamine (DPA) with tert-butanol (TBA) in the liquid phase was studied over various zeolite catalysts H-MOR, H-BEA, H-Y and H-ZSM-5 (H-MOR CBV 21A and 90A, H-BEA CP 811E, 814E and 814Q, H-Y CBV 720 and H-ZSM-5 CBV 5020) to eva
Publikováno v:
Applied Catalysis A: General. 328:1-13
The influence of catalyst, solvent and temperature on the etherification of glycerol and ethylene glycol with isobutylene in the liquid phase catalysed by strong acid ion-exchange resins of Amberlyst type (Amberlyst 15 and 35), p-toluenesulfonic acid
Publikováno v:
Applied Catalysis A: General. 323:210-218
tert-Butylation of toluene with isobutylene in the liquid phase was studied over large pore zeolite catalysts (H-MOR CBV 21A with Si/Al = 10.5 and H-BEA CP 814E with Si/Al = 12.5) and over cerium modified parent zeolite H-MOR with 2 wt.% of cerium. T
Autor:
Sung June Cho, Yoshihiro Sugi, Dušan Mravec, Martin Bajus, J.-H. Kim, Gabriel Kostrab, Ivan Janotka
Publikováno v:
Applied Catalysis A: General. 299:122-130
tert -Butylation of toluene with tert -butanol in the liquid phase was studied over large pore mordenite zeolite catalyst (H-MOR CBV 21A with Si/Al = 10.5) and over cerium-modified parent zeolite with 1–6 wt.% of cerium. The catalytic activity and
Publikováno v:
Applied Catalysis A: General. 294:141-147
The etherification of glycerol with isobutylene or tert-butyl alcohol without solvent in the liquid phase catalysed by strong acid ion-exchange resins of Amberlyst type and by two large-pore zeolites H-Y and H-Beta was studied. The swelling of commer
Publikováno v:
Applied Catalysis A: General. 257:49-55
Three large-pore zeolites (H-MOR, H-Y and H-BEA) were studied as catalysts in the liquid-phase tert-butylation of toluene by tert-butanol. The catalytic activity and para-selectivity of zeolite catalysts and the main secondary reactions (isomerizatio