Rather than that, the hydrophilic-hydrophobic character of Fe/Ti[O.sub.2] facilitate dibenzothiophene oxidation as a phase transfer catalyst
. The coordination of acetic acid and peroxyacetic acid with [Fe.sup.3+] and [Ti.sup.4+] present at the Fe/Ti[O.sub.2] surface which in turn perform a superoxides its surface  (Figure 7).
One of the most important strategies to overcome this limitation of water is using phase transfer catalysts
He also includes ways of conducting reactions that are less harmful, such as making them in aqueous phase, using phase transfer catalysts
, using sonication and microwave technologies, and performing reactions enzymatically and photochemically.
These organic chemicals are mainly used as phase transfer catalysts
in chemical reactions as they are soluble in both water and non-polar liquids.