Cool heating: High temperature ammonia heat pump for 11 mio liters per week dairy in England

published Oct 13, 2011 - 0 pages

Robert Wiseman Dairies is the largest fresh milk producer in the UK. Recently the company installed an innovative ammonia heat recovery unit. The ammonia heat pump provides 80°C water for the pasteurisation process replacing the need for a gas boiler. This has significantly improved the return on investment for replacing an old HFC system with a central ammonia based refrigeration plant. The installation has resulted in a reduction in gas usage of 52% and a water reduction of 50%. However, t

Robert Wiseman Dairies is the largest fresh milk producer in the UK. Recently the company installed an innovative ammonia heat recovery unit. The ammonia heat pump provides 80°C water for the pasteurisation process replacing the need for a gas boiler. This has significantly improved the return on investment for replacing an old HFC system with a central ammonia based refrigeration plant. The installation has resulted in a reduction in gas usage of 52% and a water reduction of 50%. However, the project has not been without its challenges, such as a lack of government funding.


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