Slurry and digestate drying station made by Lizard The slurry and digestate drying station can be used to produce mineral fertilizer. Give in your unused slurry or exhaust the Biogasplant benefits by using the digestate to increase the summary by never in need of buying fertilizer again. Ecological, economic, benefitting...it's easy as that. Price: 50,000 $ Daily maintenance: 50 $ Cost/h: 2 $ I/O Ratio: 2:1 Input: slurry, digestate (21000 l each) Output: mineral fertilizer (30000 l max.)