Photocatalytic bleaching of Trypan blue over zinc oxide - particulate system

Department of Chemistry, Govt. P. G. College, Banswara-327 00 I, Rajasthan, India
E-mail : kotharisharad@ yahoo.co.in
Manuscript received 17 July 2006, revised 7 May 2007, accepted 24 May 2007

Trypan blue (TB) and its mixture with Brilliant crcsyl blue (BCB) were degraded photocatalytically in presencc of zinc oxide. Efforts made to optimize the conditions for photoblcaching of these dyes by various parameters like concentration of TB, pH, amount of
semiconductor, light intensity, etc.