Wastewater Microbiology: A Handbook for Operators

1000x brightfield 1000x phase contrast activated sludge activated sludge treatment aeration basin algae bacterium Beggiatoa begin to form bulking filaments cause foaming Cell Membrane cell wall ciliate Wet mount clarifier colonial stalked ciliate cover slip crawling ciliates dispersed bacteria dominate effluent environment enzymes F/M ratio false branching Figure Filament type filamentous bacteria flagella flagellates fluid Foaming filaments form floc free-swimming ciliates Gram stain gram-negative gram-positive gram-variable heavy attached growth hydrossis identify Influent lipopolysaccharide low F/M Metazoa Microbiology microorganisms microscope mixed liquor MLVSS motile Neisser stain Neisser-positive nematodes Nocardia Nostocoida limicola operator organic material organic nutrients oxygen particles phase contrast condenser protozoa removed rotifers settle sewage sheathed filaments slide slime layer sludge age sludge treatment system smear soluble nutrients substances sulfur granules suspended solids tank temperatures testate amoeba Thiothrix spp toxic treatment plant treatment process type of protozoa Vorticella waste wastewater treatment wastewater treatment system Waterbear Wet mount