An organic and animal waste treatment apparatus (1) comprising a container (10) with substantially torus shaped bio-film media (200) provided primarily by tires (72) formed in multiple layers. A layer proximal the bottom (20) is at least one first layer of bio-film media (70) or at least one first layers of tires (72) having a first layer top (80) and forming a Loose Density Zone (300). A next layer on top of the first layer top (80) is at least one second layer of bio-film media (90) or at least one second layer of tires (92) having a second layer top (100) and forming a Transition Density Zone (320). A next layer on top of the second layer top (100) is at least n subsequent layers (110) or at least n subsequent layers of tires (112) and forming a Compact Density Zone (340). The Loose Density Zone (300) covers between 20% to 40% of the bottom surface area (60). The Transition Density Zone covers between 30% to 50% of the first layer top surface area (85). The Compact Density Zone covers between 40% to 70% of the second layer top surface area (105). Organic and animal waste is received into the container (10) and is circulated with gases (140) released and contained in the container (10) by a top cover (40). Gases (140) are removed for storage or combustion via at least one top cover vent (170).

 
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> Separation of biomass from lactic-acid containing fermentation products by means of flocculation

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