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As of now, we are using Alum as our coagulant to facilitate the creation of flocs. Another option
for the choice of coagulant would be PACl (polyaluminium chloride). PACl is currently used as a flocullant
in a several water treatment plants in Honduras. Perhaps slightly higher unit price of PACl might be
balanced by a lower dosage and a shorter flocculation period.

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