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The following chemicals are used as flocculants:
alum , aluminium chlorohydrate , aluminum sulfate , calcium oxide , iron(III) chloride , iron(II) sulfate , sodium aluminate , sodium silicate

The following natural products are used as flocculants:
Moringa oleifera seeds, Papain , A species of Strychnos (seeds),
Isinglass

2007-02-02 06:40:45 · answer #1 · answered by MSK 4 · 0 0

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