Hydrogen Sulfide Toxicity

Hydrogen sulfide (or H2S) is a colorless, toxic and flammable gas. Hydrogen sulfide is considered a broad-spectrum poison, meaning that it can poison several different systems in the body, although the nervous system is most affected. H2S Toxicity Physical Reaction...

Common Wastewater Filaments

En Español Bulking filament bacteria can be difficult to indentify.  Typical contributors include low D.O., nutrient deficiency, and low F:M.  If you experience problems from any of these filaments call us at 1-888-757-9577 or visit our Lab Services page.  We will...

“Bulking” filamentoso

La bacteria filamentosa puede ser difícil de identificar.  Ofrecemos un servicio de apoyo químico en que identificamos los filamentos en el laboratorio y proveemos nuestra pericia, capacitación, y recomendaciones para las plantas de tratamiento de aguas servidas que...
La Nocardia en aguas servidas

La Nocardia en aguas servidas

El problema: Nocardia – se forma en las plantas de barros activados y en los Reactores Discontinuos Secuenciales (RDS) La causa: Una cantidad alta de grasas, aceites, y lubricantes en las plantas de tratamiento de aguas servidas El remedio: Controle Nocardia con...
Microthrix Parvicella

Microthrix Parvicella

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...
Zoogloea “Slime” Bulking

Zoogloea “Slime” Bulking

If filaments aren’t the cause of your bulking, then there is a good chance it is because of the bacterium Zoogloea ramigera. Zoogloea ramigera has cells that are rod shaped, stains Gram negative, and can resemble fingers or branches of a tree. Under normal conditions...

Sphaerotilus natans

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...
“Bulking” de Zoogloea

“Bulking” de Zoogloea

Si los filamentos no son la causa del “bulking” en su planta, es probable que es la bacteria llamada Zoogloea ramigera.  Zoogloea ramigera tiene células con forma de barra y se tiñe como Gram negativo y puede parecerse como dedos o ramas de un árbol.  Bajo condiciones...

Filament Type 0041

Type 0041 is different than other filaments because it has a sheath and can have large amounts of attached growth that can make viewing the actual filament difficult.  It is frequently confused with Type 0675 because of the similarities.  Type 0041 stains...

Filament Type 021N

Filament Type 021N can be tricky to identify, because it can vary in cell shape , length, and width depending on the environment.  Typically it has no sheath or attached growth.  It stains Gram-negative and can be straight, smoothly curved, or coiled.  The cells can...

Filament Type 0675

Filament Type 0675 shares a lot of the same characteristics as Type 0041 and many times may be indistinguishable from Type 0041.  Like Type 0041, it stains Gram-positive or Gram-variable and is straight or smoothly curved with square cells in a sheath.  When observed...

Filament Type 1851

Filament Type 1851 can cause a lot of problems for operators due to the lack of information available in wastewater research.  Type 1851 stains Gram-positive or Gram-variable and is straight or slightly bent with rectangular cells.  Individual filaments can sometimes...

Sulfide Reducing Bacteria (SRB):

Sulfide reducing bacteria (SRB) are obligate anaerobic bacteria that can be broken into two broad nutritional groups (7): Can achieve partial oxidation of a limited range of carbon sources, such as lactate to acetate, Capable of oxidizing a wide range of carbon...
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