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The Task at Hand
In this process, various types of organic waste are prepared for liquid fermentation (dry matter <12%m). They can include packaging and contamination. Preshredding, using a Terminator and screen drum or Crambo, prepares the material for subsequent dissolution and contrary separation. The latter is done in 3 steps. Step 1 is pulping, step 2 is a combination of Multistar wet screening with screw press, and step 3 is settling of the fines in a settling tank.
Putting the material through this process before fermentation helps give the fermenter a long life. With shredding and screening, integrating hygienization (<12mm) into the process is no problem. The eccentric screw pump at the outlet of the separation tank forms the interface to the biological process.
Fermentation substrate preparation is an all-in solution, consisting of machines, electrics including visualization, pipelines and all measuring, control and regulation equipment.