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ECW542 Micro-organisms


Major group’s organism in microbiology

The description of figure: 1. Bacteria 2. Fungi 3. Protozoa 4. Algae 5. Virus


• BACTERIA


Gram Positive

Gram Negative


Arrangement of bacterial cells


(a)

(b)

(Bacillus ( rod-shaped) (Coccus (Round-shaped or spherical) (Spiral (Spiral-shaped)

(c)


The shape of bacteria.


• RAW SEWAGE


Rod shape & Cocci shape


Colony 1

Colony 2

Colony 3


Colony 1

Colony 2

Colony 3


• ANOXIC TANK


1st Colonies

2nd Colonies

3rd Colonies

4th Colonies

Colonies 1

2

3

4

Shape

Straight rod

Cocccus

Straight rod

Coccus

Arrangement

Bacilli

Bacilli

Cell Colour

Red

Red

Purple

Black

Gram Reaction

Negative

Negative

Positive

Positive

Bacilli


• AERATION TANK


• CLARIFIER


THANK YOU


ECW542-additionalNotes_wk10L29