Dale Farm Dairy Effluent Background Dale Farm is Northern Ireland’s leading dairy company and produce a range of products including milk, cream, cheese, yogurt and spreads, available worldwide. They required improved protection for the on site biological effluent treatment plant due to the existing fat trap being inefficient. The Overall Objective The client was experiencing operational difficulties with the site’s activated sludge plant due to excessive fat content in the incoming effluent. This causes problems for two reasons – it places additional loading on to the treatment process, and it affects the characteristics of the activated sludge, which can make separation in the settlement tanks less efficient and therefore puts discharge compliance at risk. Solution SPS conducted a site vi

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