A solid-state NMR, FT-IR and TPD study on acid properties of sulfated and metal-promoted zirconia: Influence of promoter and sulfation treatment
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 …
have been studied by solid-state 31P MAS NMR, FT-IR and TPD using the adsorbed …
The influence of aluminium sources on the acidic behaviour as well as on the catalytic activity of mesoporous H-AlMCM-41 molecular sieves
A Sakthivel, SE Dapurkar, NM Gupta… - Microporous and …, 2003 - Elsevier
A series of mesoporous molecular sieves (AlMCM-41) were synthesized with varying silicon-
to-aluminium ratios and using three different aluminium sources, viz., sodium aluminate …
to-aluminium ratios and using three different aluminium sources, viz., sodium aluminate …
Characterization of Co, Al-MCM-41 and its activity in the t-butylation of phenol using isobutanol
Co, Al-MCM-41 catalysts with various nSi/(nCo+ nAl) ratios were synthesized and
extensively characterized by low-angle XRD, TGA/DTG, BET, AAS, DRIFT, UV-Vis DRS and …
extensively characterized by low-angle XRD, TGA/DTG, BET, AAS, DRIFT, UV-Vis DRS and …
Highly active and selective AlSBA-15 catalysts for the vapor phase tert-butylation of phenol
A Vinu, BM Devassy, SB Halligudi, W Böhlmann… - Applied Catalysis A …, 2005 - Elsevier
Hexagonally ordered mesoporous AlSBA-15 catalysts having nSi/nAl ratios from 7 to 215
have been synthesized hydrothermally using a cheap non-ionic block copolymer as the …
have been synthesized hydrothermally using a cheap non-ionic block copolymer as the …
Mesoporous FeAlMCM-41: an improved catalyst for the vapor phase tert-butylation of phenol
A range of iron and aluminum-containing mesoporous molecular sieves FeAlMCM-41 with
different nSi/(nFe+ nAl) ratios have been synthesized hydrothermally and characterized in …
different nSi/(nFe+ nAl) ratios have been synthesized hydrothermally and characterized in …
SBA-15 supported HPW: Effective catalytic performance in the alkylation of phenol
GS Kumar, M Vishnuvarthan, M Palanichamy… - Journal of Molecular …, 2006 - Elsevier
SBA-15 was synthesized using non-ionic surfactant as the structure directing agent at 40° C.
It was then impregnated with different loadings (10, 30, 50 and 70%) of phosphotungstic …
It was then impregnated with different loadings (10, 30, 50 and 70%) of phosphotungstic …
[HTML][HTML] Evaluation of synthesized green carbon catalyst from waste date pits for tertiary butylation of phenol
The present study is intended to adopt a facile method for preparing a sulphonated green
carbon catalyst from date pits biomass. Catalyst synthesis involves in situ carbonization and …
carbon catalyst from date pits biomass. Catalyst synthesis involves in situ carbonization and …
Phenol alkylation with isobutene—influence of heterogeneous Lewis and/or Brønsted acid sites
E Modrogan, MH Valkenberg, WF Hoelderich - Journal of catalysis, 2009 - Elsevier
Acidic solid catalysts with different types of acidity were used to study the liquid-phase
alkylation of phenol with isobutene. A phosphonium ionic liquid immobilized on silica type …
alkylation of phenol with isobutene. A phosphonium ionic liquid immobilized on silica type …
Acidity-activity relationships in the solvent-free tert-butylation of phenol over sulfated metal oxides
Sulfated metal oxides have long been reported to exhibit enhanced acidity properties, which
in turn affect reactivity. In this study, sulfated SnO 2, TiO 2 and ZrO 2 of varying acidic …
in turn affect reactivity. In this study, sulfated SnO 2, TiO 2 and ZrO 2 of varying acidic …
Tertiary butylation of phenol on Cu1− xCoxFe2O4: catalysis and structure–activity correlation
T Mathew, BS Rao, CS Gopinath - Journal of Catalysis, 2004 - Elsevier
A systematic study of catalytic tertiary butylation of phenol was carried out with isobutene as
a function of temperature, feed composition, time on stream, space velocity, and catalyst …
a function of temperature, feed composition, time on stream, space velocity, and catalyst …