
142 Producing Fuels and Fine Chemicals from Biomass Using Nanomaterials
6.2.3 ultrasound-assisted synthesis of the sulfated
zro
2
-tio
2
systeMs (boffito et al., 2013a)
A list of all the Zr/Ti-based catalysts is given in Table 6.3.
/ZrO
4
2
−
(here after
referred to as SZ) was synthesized using a conventional sol–gel method, while
/80ZrO -20TiO
4
2
−
(hereafter referred to as SZT) was synthesized using
both conventional and US-assisted sol–gel techniques. Samples termed USZT
refer to US-obtained sulfated 80%ZrO
2
-20%TiO
2
. The name is followed by
the US power, the length of US pulses and the molar ratio of water over precur-
sors, as reported ...