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Ceres

Of the 72 million tons of manure produced each year by the intensive livestock industry in the Netherlands, only 2.5-3% is currently processed into bio-energy. This percentage is so low because the profitability of biogas production from manure is severely compromised by the high disposal costs of the phosphate-rich manure that remains after the production of biogas. Through an adaptation in the biogas production process, the patented CERES approach can recover up to 80% of the phosphate contained in the manure as a concentrated inorganic fertilizer, thereby highly reducing manure disposal costs. At the same time the CERES approach allows for an at least 5 times faster biogas production compared to conventional biogas plants, resulting in a lower investment for the same capacity of manure processing.