Rheology and Microbiology of Sludge from a Thermophilic Aerobic Membrane Reactor

Figure 5

Micrographs (magnification: 1000x) of the flocs under phase contrast and epifluorescence. Comparison of the same floc area. Hybridization target: viable bacteria and Betaproteobacteria. (a) Phase contrast. Identical microscopic fields under fluorescence: (b) detection of all viable bacteria and (c) analysis with a specific probe for Betaproteobacteria.

(a)

(b)

(c)