All biological wastewater processes have a need for balanced sources of BOD, nitrogen, and phosphate. In aerobic processes, the correct ratio of BOD:N:P is critical for strong floc formation and good settling. A ratio of 100:7:1 works well in most aerobic processes,...
At Aquafix, our eagerness for fixing every problem in the wide world of wastewater means we encounter some of the strangest situations water can offer. In this new series, Unique Applications, we look at some of our most stand out issues and most inventive solutions....
At Aquafix, our eagerness for fixing every problem in the wide world of wastewater means we encounter some of the strangest situations water can offer. In this new series, Unique Applications, we look at some of our most stand out issues and most inventive solutions....
Microthrix Parvicella es un filamento Gram positivo y Neisser negativo que muchas veces se forma de hilos largos y delgados, agrupados en enredos que parecen a pilas de espaguetis, y sin evidencia de ramificación o septos visibles en las células (1). Cuando se...
Sphaerotilus natans en el fango activado de plantas Sphaerotilus natans, comúnmente llamado S. natans, es una bacteria filamentosa que muchas veces se puede encontrar en las plantas de tratamiento de aguas servidas. A menudo es la causa principal de “bulking” y...
Sphaerotilus natans (S. natans) is a large gram negative filament that causes lots of bulking in wastewater if proper conditions exist. It is usually easy to identify because of its false branching, and large sausage-shaped cells. False branching is when two of the...
en Español In the winter when wastewater temperatures are between 50-65°F (10-18°C), fat, oil, and grease are broken down incompletely to form long chain fatty acids such as Oleic acid. Oleic acid is taken up by the filamentous bacterium Microthrix Parvicella which...
Surfactants are some of the most difficult things to breakdown in wastewater, especially true in the winter months, and are possibly one of the most recurring issues for wastewater plants. Surfactants, or surface activating agents (a fancy name for soap), are...
A: High rates of yeast growth in wastewater cause undesirable effects including bulking due to interfloc bridging, discoloring the effluent, and/or producing malodors. Yeast can be filamentous or budding, which are sometimes seen as tetrads under the microscope. The...
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