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Filamentous Identification Lab Service. One reason to identify filaments is to determine the filaments characteristics and then determine the type present. If the type is found out, a root cause can usually be associated with a particular filament. If the cause is known, then a correction can be made to alleviate problems. Chlorination is only a quick fix. Without process changes, filaments will grow back after chlorination.
Wastewater Biomass Analyses and Cooling Tower Analyses also available
Training is an integral part of any job. Not everyone is at the same level of training. Many people want beginning concepts and basics. Some need technical information or troubleshooting. Some want equipment, technology or process information.
We have developed a full set of Basic training, Advanced training, Filamentous Identification the Easy Way as well as custom training CD's Manuals. We also provide hands-on training classes and soon will have an Online "E-University".
We hope you like the new look of our Filamentous Bacteria Identification Pages
If you would like more information on filaments, you might want to consider purchasing our Filamentous Identification the Easy Way Training materials.
We also have our lab that can perform a Filamentous identification lab analyses of your own MLSS for more information
This filament is very common in low F.M. environments. Don't get overly technical. When trying to determine species, stick to the basics, and focus on the causes and controls of the filaments present. The main point of any filamentous identification is not to get a PhD, but to fix your plant!
Medium length, non-motile filaments (100-300 µm). Straight or bent filaments with no branching. Cells are rectangular (0.8 x 1.5- 2.5 µm) and with a rigid trichome. There are no indentations at the septa. Filaments are found extending from the floc surface forming an open, loose floc structure. Usually are observed as bundles in the bulk solution. The filament staining is Gram negative but can be weakly Gram positive with a beaded effect and Neisser negative. Sparse attached growth. Usually easy to identify due to the attached growth that is perpendicular to the surface of the filament and alternating. No sulfur granules. Sheath is present but sometimes hard to observe.
Type 0675 is similar although is usually smaller and has heavier attached growth and doesn’t grow in bundles.
This filament is usually found in environments where there low F/M with a long MCRT. This can be either a high MLSS concentration or a low BOD loading (<.2 lbs/BOD/lbs MLSS/day).
F/M can be changed by intermittent feeding, increased sludge wasting, changing from complete mix to plug flow. RAS chlorination should be used if in a high growth phase.
Type 1851 is ranked 13th in predominance. Very common in municipalities in low levels.
For more information on Filamentous Identification
More photos to come. . .
If you need more information on our Filamentous Identification the Easy Way Training CD or on Internet training on Filamentous bacteria, causes and controls.
How and why on Wastewater Biomass Analyses