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Captured rainwater used in refrigeration system

Foodstuffs Auckland has implemented an innovative water-harvesting project in Auckland, for use in the site’s refrigeration system.

The site has two areas that benefit - a chiller which runs at approximately +2 deg C and a freezer which runs at about -25 deg C.

Chris Wilmoth, operations manager at Foodstuffs Auckland, said: “The rainwater is now used to cool ammonia which circulates throughout the building creating the cool temperatures,”

The rainwater is stored in an 840 cubic metre tank with a heavy duty Aeon PTR liner, measuring 15m x 4.76m and has an effective capacity of 630 cubic metres.

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