Composition and properties of ctivated sludge Markevich R

Composition and properties of аctivated sludge Markevich R. M. Belarusian State Technological University Minsk, Sverdlov Street, 13 а (+375296933379; marami@tut. by)

Characteristics of activated sludge Compact flocs of activated sludge Activated sludge in conditions of filamentous swelling Replace the title also in the footer line in the master slide Activated sludge in conditions of gel swelling 2

Step-by-step change of populations during biocenosis development of activated sludge Dispersed bacteria Filamentous forms of bacteria Zoogloeas accumulations Colorless flagellates Free floating ciliates Hypotrichida ciliates Rotifer Nematode Fastened ciliates Small naked amoebae Small testate amoebae Large testate amoebae Replace the title also in the footer line in the master slide Oligochaeta and gastrotrich worms Suctoria ciliates and another hunters (water bears, rotifers, fungi) 3

Flagellates Small Bicoeca petiolata Anisonema acinus Replace the title also in the footer line in the master slide Large Peranema pleururum Peranema trichophorum 4

Naked amoeba Astromoeba radiosa Amoeba papillata Amoeba proteus Replace the title also in the footer line in the master slide Thecamoeba sp. 5

Testate amoebae Trinema enchelys Arcella gibbosa Centropyxis aculeata Arcella vulgaris Centropyxis sp. Replace the title also in the footer line in the master slide Euglypha sp. 6

Free-floating ciliates Uronema nigricans Chilodonella unsinata Dexiotricha sp. Lagynophria acuminata Litonotus lamella Prorodon ovum Trachelophyllum pusillum Coleps sp. Replace the title also in the footer line in the master slide 7

Hypotrichida ciliates Aspidisca costata Euplotes patella Replace the title also in the footer line in the master slide Drepanomonas revoluta Aspidisca turrita 8

Rotifers Lepadella rhomboides Keratella cochlearis Rotaria tardigrada Lecane pusilla Lecane bulla Lecane flexilis Replace the title also in the footer line in the master slide Dipleuchlanis propatula 9

Peritricha ciliates Carchesium batorligetiense Epistylis plicatilis Vorticella convallaria Epistylis longicaudatum Replace the title also in the footer line in the master slide Opercularia phryganeae Thuricola similis 10

Suctoria ciliates Staurophria elegans Rhabdophrya sp. Tokophrya quadripartita Replace the title also in the footer line in the master slide Acineta foetida Acineta sp. 11

Worms Gastrotrichs Tobrilus helveticus Chaetonotus sp. Replace the title also in the footer line in the master slide 12

Water bears Water mites Replace the title also in the footer line in the master slide 13

Examples of organisms distribution of activated sludge by main indication groups Free-floating ciliates Peritricha 0, 49% ciliates 15, 14% Rotifers 1% Rotifers 0, 05% Free-floating ciliates 4% Testate amoebae 39% Hypotrichida ciliates 5, 70% Small flagellates 13, 76% Testate amoebae 45, 21% Naked amoebae 19, 66% Replace the title also in the footer line in the master slide Peritricha ciliates 55% Hypotrichida ciliates 1% 14

Examples of organisms distribution of activated sludge by main indication groups Hypotrichid a ciliates 1% Small flagellates 1% Large flagellates 0% Peritricha ciliates 1% Freefloating ciliates 1% Rotifers 1% Worms 0% Testate amoebae 95% Free-floating ciliates 4% Suctoria ciliates 0, 9% Peritricha ciliates 3% Rotifers 1, 3% Testate amoebae 42, 1% Hypotrichida ciliates 4% Small flagellates 44, 2% Replace the title also in the footer line in the master slide 15

Examples of organisms distribution of activated sludge by main indication groups Suctoria Free-floating ciliates Peritricha ciliates 0, 02% Rotifers ciliates 0, 05% 8% 1% Hypotrichid a ciliates 17% Testate amoebae 35, 14% Small flagellates 1, 44% Naked amoebae 37, 05% Replace the title also in the footer line in the master slide Suctoria ciliates 2% Free-floating ciliates 21% Rotifers 1% Worms Testate 1% amoebae 37% Naked amoebae 0% Peritricha ciliates 8% Small flagellates Hypotrichida 2% ciliates 26% Large flagellate 2% 16