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New Technology to Transform Pig Waste to Gas

21 May 2013

AUSTRALIA - New technology has been developed by South Australian scientists in China to turn pig waste into biogas and biochar.

The Adelaide-based Co-operative Research Centre for Contamination Assessment and authorities in China have developed a biodigester at a Chinese piggery, transforming millions of tonnes of waste into natural gas, reports ABC News.

China's pig industry generates 1.4 million tonnes of poo and seven million tonnes of urine per year. Only 10 per cent of that is treated, causing major health and environmental risks.

Professor Ravi Naidu, chief executive of CRC Care, says they have been working on it for over a year.

Currently there are biodigesters already being used by industry, the difference with this new technology is it can operate 12 months of the year because its stored underground and keeps a constant temperature.

Current models are above ground, exposed to changing temperatures, which effects the technology's efficiency.

This technology is now ready to be implemented anywhere in the world with interest coming from India and Australia.

CRC Care is currently working with the Pork CRC at Roseworthy in SA to find a pig producer who would be interested in trialling this new technology.

CEO Roger Campbell says it's a novel idea that could potentially be taken up in Australia, but it has to be competitive with the current technology already used on farm to justify the cost.

ThePigSite News Desk



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