Typ 0803 Lebendpräparat 400X
Typ 0803 Lebendpräparat 1000X
Typ 0803 Gram1000X
Typ 0803 Neisser 1000X
Type 0803/0914
This type occurs in municipal sewage plants and in industrial plants in the textile, pharmaceutical and metal industry sectors.
Morphology:
| Filament position: | projecting out of flake or between flakes |
| Branching: | none |
| Movement: | none |
| Growth habit: | straight / slightly curved |
| Aufwuchs: | absent |
| Constrictions: | none |
| Sheath: | absent |
| Transverse walls: | clearly visible |
| Cell form: | square or rectangular |
| Length of filaments: | variable, mostly < 200 µm (50 – 150 µm) |
| Filament diameter: | 0.7 – 0.8 µm |
| Gram staining: | positive |
| Neisser staining: | negative |
| Special features: | transparent, rectangular cells |
Factors promoting growth:
- high sludge load < 0.2 kg BSB5 / kg TS * d
- old sludge
- high chloride level
Countermeasures:
- ozonisation