Figure 2. Epifluorescence micrographs of filamentous bacteria observed in mixed liquor samples of activated sludge plants. (A) S. natans, bar = 50 µm (B) N. limicola II occurring within the floc, bar = 10 µm (C) Thiothrix nivea and, bar = 20 µm (D) Eikelboom Type 1851, bar = 50 µm

From

In situ Identification of Filamentous Bacteria from Activated Sludge Wastewater Treatment Plants in Ghana

Melvin-Guy Adonadaga, Marion Martienssen

Journal of Applied & Environmental Microbiology. 2015, 3(3), 75-81 doi:10.12691/jaem-3-3-3