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OptiPress is a newly designed Big Dutchman system for the separation of slurry, biogas digestate (digestate = digested material) and other materials to be separated – as for example water resulting from cleaning cattle trucks.

In cattle and pig management, slurry is a by-product which has to be stored in large storage tanks until spread on the fields. In regions of high animal density, the quantities that may be spread are often limited, because the nutrient requirements of the soil are already satisfied (eg. phosphorus). Moreover, the slurry constantly has to be kept stirred during storage, so that sediment layers cannot build up.

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