Environmental

CAMBI THERMAL HYDROLYSIS – URBAN UTILITIES OXLEY CREEK BRISBANE AUSTRALIA

oxley

Design

Conventional Digestion Cambi THP Digestion
DS% Feed 4% 8.5%
Digester Volume Required 9,000m3 5,200m3
VS Destruction (15 Days HRT) 13% 50%
DS% Cake 13.5% 30%
Tones of Cake for Benificial Use 39,500 19,700
Potential Green Electricity Generated From Biogas(GWh) 6.2 8.7

Score Card

• Can process 15,300 dst/an
• VS destruction 50% on WAS (up from 13%)
• Digester loading 8.5% (up from <4%)
• Only 30% biogas used to heat boiler.
• 70% biogas for green energy
• Sludge pathogen free, and does not reinfect
• Dewatered to 30% solids (up from 13.5%)
• Reduced 5 tonnes WAS at 13.5% solids to 1 tonne at 30% solids.
• Reduced truck movements by 80%.

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