Occasional Paper 11: Potential energy production from waste water treatment in NZ

Biogas Interest Group, June 2013

Owners of waste water treatment plants (WWTP) could significantly reduce electricity costs through the production of biogas via anaerobic digestion. An estimate of the present and future New Zealand biofuel production potential via treatment of industrial and primary processing byproducts by anaerobic digestion in municipal and industrial anaerobic digesters shows that only about 25 % of the biogas production potential from these materials is currently realized (0.45 PJ biogas /annum).

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