C - Chemistry – Metallurgy – 05 – F
Patent
C - Chemistry, Metallurgy
05
F
C05F 17/02 (2006.01) C05F 9/00 (2006.01) C05F 17/00 (2006.01)
Patent
CA 2098175
A process and an apparatus for biological conversion (composting) of organic waste material, particularly from kitchen and restaurant operations, involving the treatment in at least two separate chambers (7, 8). In the first chamber (7), introduced organic material is treated only until its conversion into biomass to a particular intermediate stage. A portion of this partially converted material is then moved for a final stage of composting into the second chamber (8). New waste organic materials introduced into the first chamber (7) are treated together with the remaining portion of the partially converted material. Due to a constant high volume of active microorganisms in the first chamber (7), the process of conversion of the newly introduced waste material is started immediately. It is preferred that the heat insulated housing (1) containing the chambers (7, 8) be controlled to rotate about a horizontal axis (3) for mixing the material and that grinders (12, 12') be designed for fine comminuting the material. If desired, drying and/or sterilization of the composted material can be done in a third chamber. An engageable container unit (40) receives the material composted in the second chamber (8). The container unit (40) after disengagement from the treatment apparatus can be linked with other similar units into a transportation set for transportation by means of truck. This apparatus allows conversion of waste material of the type mentioned to biomass in a quasi-continuous process in a shortened period of time, for example one to two days.
Bohnensieker Franz
Gowling Lafleur Henderson Llp
LandOfFree
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