Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel

   
   

A soil-based disposal trench that has failed from a biomat slime is recovered by adding a facultative anaerobic bacteria to an effluent that flows into the disposal trench. The facultative anaerobic bacteria consumes the biomat slime and, in one embodiment, supplants a strictly aerobic bacteria in the soil that converts nitrites to nitrates. As a result, the facultative anaerobic bacteria interrupt the conventional process of nitrification, changing the nitrites to nitrogen gas.

Un fossé sol-basé de disposition qui a échoué d'une boue de biomat est récupéré en s'ajoutant les bactéries anaérobies facultatives à un effluent qui coule dans le fossé de disposition. Les bactéries anaérobies facultatives consomme la boue de biomat et, dans une incorporation, supplante les bactéries strictement aérobies dans le sol qui convertit des nitrites en nitrates. En conséquence, les bactéries anaérobies facultatives interrompent le processus conventionnel de la nitrification, changeant les nitrites en gaz d'azote.

 
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