Thursday, 12 May 2016 09:55

‘Out of this world’ effluent system can work on farms

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Farms with barns and feedlots are likely to use the revolutionary zero-waste system. Farms with barns and feedlots are likely to use the revolutionary zero-waste system.

A zero-waste system developed for spacecraft could be cost-effective on dairy farms, says inventor William Mook.

The Zeecol system converts cow effluent into fuel, fertiliser, electricity and high protein feed, he says.

Mook is the founder of the New Zealand company and a Canadian subsidiary; he is based in Christchurch.

A Mid Canterbury dairy farm is said to be committing to a Zeecol system.

Though various system components are in use discretely in other countries, NZ is the first country where a complete system has been run onfarm.

Elements of the system were developed for use in a space station where waste must be contained at all times – no leaks or build-up of harmful substances.

The technology can displace conventional farm treatment and disposal systems, Mook says.

"We have the technology to cost-effectively contain cow waste and increase productivity. There is no odour, no impact on the environment; everything that goes in comes out in a useful form."

Pannetts Dairies in Mid Canterbury is committed to a Zeecol system, Mook says.

"Using barns enables Pannetts to achieve a profitable, humane and sustainable farming environment that is not possible on a grass fed system. Cows are more comfortable in a properly built barn, but won't produce well if they are caged."

He forsees the 'top' 5% of herds as being likely users of the system – chiefly farms with barns or feedlots where a high proportion of effluent can be captured. In barns about 90% of effluent can be contained.

The system is also likely to appeal to farmers struggling to comply in waste management, Mook says.

In a full Zeecol barn system, a farm is supplied with $9000 of equipment per cow – owned, managed and maintained by Zeecol. The farmer is charged for the facility's output at a rate of 80% of the comparative fuel/electricity/fertiliser/feed costs being replaced.

Zeecol says Stanton farms in the US has converted to the gas processing part of the Zeecol system, enabling a capacity increase from 700 cows to 2000 and the feeding of electricity back into the local town grid.

www.zeecol.com

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