DIGESTATE PROCESSING HRS Heat Exchangers compare a biogas production plant that is fitted with an evaporator for digestate processing to one that doesn’t.Scenario 1: Biogas Production Plant without Digestate Processing Let us consider a biogas production plant without digestate processing: Considering the figures shown in the diagram, after the mechanical separation process, we can get up to 391 kg/hour of ‘solid’ material. Assuming this contains 25% solids, this equates to 98 kg/hour of organic matter that can be sold as fertiliser. At the liquid discharge output, we get 2,609 kg/hour of liquid, which contains 2% solids, or another 52 kg/hour of organic matter. This liquid output: Contains 35% of all organic matter of the digestate Corresponds to 87% of total digestate volume May have to

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