Method of simultaneously composting anaerobic and aerobic...

C - Chemistry – Metallurgy – 05 – F

Patent

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Details

C05F 11/08 (2006.01) C05F 3/00 (2006.01) C05F 17/00 (2006.01) C12M 1/107 (2006.01) C12M 1/38 (2006.01)

Patent

CA 2362983

A method for composting organic waste materials using aerobic and anaerobic decomposition processes simultaneously is disclosed. The method of the present invention is carried out by forming a compost pile (10) of aerobic material and introducing a liquid anaerobic and aerobic materials (14, 16) into the interior to form a saturated internal core. The parameters of the decomposition processes including temperature, water content, aeration, and moisture percolation are monitored to ensure that adequate conditions are met for decomposition processes to proceed simultaneously. After a predetermined time interval has passed, the core (14, 16) is removed forming an upwardly opening cavity (12) that is refilled with aerobic material preparatory to another decomposition cycle. The composting method of the present invention is adaptable to a wide range of composting operations ranging from a single compost pile to commercial scale operations involving a plurality of large compost piles being constructed using heavy equipment and managing the compost operation on a timed schedule.

L'invention concerne un procédé de compostage simultané de matières anaérobies et aérobies faisant appel à la décomposition simultanée aérobie et anaérobie. Ce procédé nécessite une pile de compost (10) à base de matières aérobies et consiste à introduire des matières anaérobie et aérobie (14, 16) liquides pour former un noyau interne saturé. Les paramètres de décomposition, à savoir la température, la teneur en eau, la ventilation et la lixiviation d'humidité sont régulés afin de garantir les conditions adéquates à une décomposition simultanée. Une fois un laps de temps prédéterminé s'est écoulé, le noyau (14, 16) est retiré et forme une cavité d'ouverture (12) vers le haut remplie d'une matière aérobie destinée à un autre cycle de décomposition. Ce procédé de compostage s'adapte à bon nombre d'opérations de compostage de la simple pile de compost aux opérations à grande échelle faisant appel à une pluralité de piles de compost construites par des installations lourdes et permettant la gestion du compostage selon un calendrier défini.

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