Acid catalysis by heteropoly acids

MN Timofeeva - Applied Catalysis A: General, 2003 - Elsevier
The achievements in the field of acid catalysis by heteropoly acids having different structures
HxPW11LO40 (L= ZrIV, TiIV, ThIV), HxZW12O40 (Z= SiIV, PV, BIII, CoIII, GeIV) …

Metal-supported carbon-based materials: opportunities and challenges in the synthesis of valuable products

E Pérez-Mayoral, V Calvino-Casilda… - Catalysis Science & …, 2016 - pubs.rsc.org
Carbon materials such as activated carbons and graphitic materials and nanomaterials have
been used for decades in heterogeneous catalysis as catalyst supports. The physical and …

Direct catalytic conversion of cellulose to liquid straight-chain alkanes

BO de Beeck, M Dusselier, J Geboers… - Energy & …, 2015 - pubs.rsc.org
High yields of liquid straight-chain alkanes were obtained directly from cellulosic feedstock
in a one-pot biphasic catalytic system. The catalytic reaction proceeds at elevated …

Acetylation of glycerol over heteropolyacids supported on activated carbon

P Ferreira, IM Fonseca, AM Ramos, J Vital… - Catalysis …, 2011 - Elsevier
The acetylation of glycerol was carried out over dodecatungstophosphoric acid (PW)
supported on activated carbon, being the monoacetin, diacetin and triacetin the reaction …

Esterification of levulinic acid to n-butyl levulinate over heteropolyacid supported on acid-treated clay

S Dharne, VV Bokade - Journal of Natural Gas Chemistry, 2011 - Elsevier
Levulinic acid has been identified as a promising green, biomass-derived platform chemical.
n-Butyl levulinate is used as an important intermediate having diverse applications. The …

Supported Keggin type heteropolycompounds for ecofriendly reactions

LR Pizzio, PG Vázquez, CV Cáceres… - Applied Catalysis A …, 2003 - Elsevier
New supported Keggin heteropolyacid (HPA) catalysts were prepared in order to make a
contribution to the field of catalyzed acid reactions by means of ecofriendly technologies …

Phosphotungstic acid encapsulated in the mesocages of amine-functionalized metal–organic frameworks for catalytic oxidative desulfurization

XS Wang, YB Huang, ZJ Lin, R Cao - Dalton Transactions, 2014 - pubs.rsc.org
Highly dispersed Keggin-type phosphotungstic acid (H3PW12O40, PTA) encapsulated in
the mesocages of amine-functionalized metal–organic frameworks MIL-101 (Cr)-NH2 has …

Esterification of glycerol with acetic acid over dodecamolybdophosphoric acid encaged in USY zeolite

P Ferreira, IM Fonseca, AM Ramos, J Vital… - Catalysis …, 2009 - Elsevier
The esterification of glycerol with acetic acid was carried out over
dodecamolybdophosphoric acid (PMo) encaged in the USY zeolite. The products of glycerol …

Immobilization of molecular H3PW12O40 heteropolyacid catalyst in alumina-grafted silica-gel and mesostructured SBA-15 silica matrices

PM Rao, A Wolfson, S Kababya, S Vega, MV Landau - Journal of catalysis, 2005 - Elsevier
The effects of grafting the alumina species at the surface of silica support on the
H3PW12O40 (HPW) immobilization capacity and performance of loaded HPW in acid …