What is true for the raw vegetables is also true for the high fiber food waste, but to a larger extent. Raw Lettuce, cauliflower, celery, carrots, beets, broccoli, and other high-fiber product will take days, or even weeks to digest.
When the predominate food waste is high fibers the digestion process takes longer. Add to that factor, is the frequency that food waste is added to the BMD.and when filled every day of the week a buildup will happen. Depending on the % of fiber waste in the waste stream it can be that the client needs a machine that is 4-5 times bigger than according to the total waste amount per day.
When there is still cooked and staple food in the high fiber waste, it helps with the digestion process. The extra moisture in the mix, causes the enzymes to travel to the fiber waste more easily.
It may be necessary to add a shredder unit into the facility – The picture next to this is an explanation of the buildup of the fiber material when filling the BMD machine with 50 kilos of fiber food waste. As you can see, the buildup is significant and you need to recommend a larger capacity BMD to get rid of the fiber food waste. We are working on special enzyme mixes that can handle fiber food waste more quickly. We will keep you posted as we learn more about the new enzyme formulations.
Another option could be to recommend two BMD machines so the waste can be separated into two machines.
Be sure to ask for our support in deciding what machine is needed for the specific client, when there is only fiber waste. A raw vegetable production facility is an example of that. An enzyme mix, special for that waste stream, may be required.