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M. Parthiban and G. Devanand
Fig. 10 Reaction with Titanium-Di-oxide in dark
Fig. 11 Reaction with Titanium-Di-oxide in sunlight
4.4.3 Condition 3 (Under Different pH in Sunlight)
• Catalyst: Titanium-Di-oxide
• Catalyst weight: 0.1 g/100 ml
• Lightness: sunlight
• pH: acidic—4, neutral—7.31
• Duration of reaction: 3 h (Fig. 12).
4.4.4 Condition 4 (in Sunlight)
• Catalyst: RGOT 20%
• Catalyst weight: 0.1 g/100 ml
• Dye concentration: 100 times diluted from raw effluent
• pH: 10.3
• Duration of reaction: 3 h (Fig. 13).