Bulletin of the National Research Centre

Table 5 Removal rate for algae after filtration

From: The effect of sedimentation by chemical coagulants and the rapid sand filters on algal removal at drinking water treatment plants in Egypt

Algae type	Algal genera	Removal rate %
Diatoms	Synedra	90–97
	Asterionella	90–98
	Melosira	95–100
	Fragilaria	95–100
Green algae	Chlorella	70–96
	Scenedesmus	65–95
	Pediastrum	92–98
Blue green algae	Oscillatoria	99–100
Blue green algae	Anabaena	99–100

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