Sulfated zirconia-based strong solid-acid catalysts: recent progress

X Song, A Sayari - Catalysis Reviews, 1996 - Taylor & Francis
This review article deals with recent progress in the preparation of sulfated zirconia (SZ)-
bassed, strong solid-acid catalysts, the characterization of their physicochemical properties …

A solid-state NMR, FT-IR and TPD study on acid properties of sulfated and metal-promoted zirconia: Influence of promoter and sulfation treatment

WH Chen, HH Ko, A Sakthivel, SJ Huang, SH Liu… - catalysis today, 2006 - Elsevier
The acid properties of various sulfated and metal-promoted zirconium oxide (ZrO2) catalysts
have been studied by solid-state 31P MAS NMR, FT-IR and TPD using the adsorbed …

Preparation of a novel catalyst UDCaT-5: enhancement in activity of acid-treated zirconia—effect of treatment with chlorosulfonic acid vis-à-vis sulfuric acid

GD Yadav, AD Murkute - Journal of Catalysis, 2004 - Elsevier
UDCaT-5, a zirconia-based catalyst, with high sulfur content (9% w/w) but preservation of
the tetragonal phase of zirconia was synthesized for the first time, by using chlorosulfonic …

Fatty acid esterification by reactive distillation: Part 2—kinetics-based design for sulphated zirconia catalysts

F Omota, AC Dimian, A Bliek - Chemical Engineering Science, 2003 - Elsevier
In a previous study on the basis of reaction equilibrium, it was demonstrated that the
synthesis of fatty acids esters of heavy alcohols by catalytic reactive distillation (RD) is …

Superacidity and catalytic activity of sulfated zirconia

N Katada, J Endo, K Notsu, N Yasunobu… - The Journal of …, 2000 - ACS Publications
The acidic property of sulfated zirconia, a so-called solid superacid catalyst, was precisely
determined by ammonia temperature-programmed desorption with water vapor treatment …

Promoting Effect of Al on SO2− 4/MxOy (M= Zr, Ti, Fe) Catalysts

W Hua, Y Xia, Y Yue, Z Gao - Journal of Catalysis, 2000 - Elsevier
The promoting effect of Al on various types of sulfated metal oxide catalysts has been
studied. Incorporation of an appropriate amount of Al2O3 into zirconia, titania, and iron oxide …

Incorporation of manganese and iron into the zirconia lattice in promoted sulfated zirconia catalysts

FC Jentoft, A Hahn, J Kröhnert, G Lorenz, RE Jentoft… - Journal of …, 2004 - Elsevier
Two series of Mn-or Fe-promoted zirconia samples were prepared:(i) a series of sulfate-free
reference compounds via co-precipitation of aqueous solutions containing zirconium and …

Metal doped sulfated ZrO2 as catalyst for the selective catalytic reduction (SCR) of NO with propane

J Pasel, V Speer, C Albrecht, F Richter… - Applied Catalysis B …, 2000 - Elsevier
The selective catalytic reduction of nitric oxide with propane was studied using metal oxide
(Pt, Mn, Fe, Ni, Cu, Ga) loaded sulfated zirconia as catalysts under lean conditions at …

Brønsted acid property of alumina-supported niobium oxide calcined at high temperatures: characterization by acid-catalyzed reactions and spectroscopic methods

T Kitano, T Shishido, K Teramura… - The Journal of Physical …, 2012 - ACS Publications
The acidic properties of alumina-supported niobium oxide (Nb2O5/Al2O3) calcined at high
temperatures, with Nb2O5 loadings of 5–30 wt% as Nb2O5, were investigated using acid …

In situ infrared study of pyridine adsorption/desorption dynamics over sulfated zirconia and Pt-promoted sulfated zirconia

RW Stevens Jr, SSC Chuang, BH Davis - Applied Catalysis A: General, 2003 - Elsevier
The dynamic behavior of adsorbed pyridine and the sulfate group has been studied over
sulfated zirconia (SZ) and Pt-promoted sulfated zirconia (Pt/SZ) by in situ infrared (IR) …