Q » How does pH influence ferric chloride coagulation?

John

03 Nov, 2025

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A » pH significantly impacts the effectiveness of ferric chloride coagulation in water purification. Optimal coagulation occurs at a slightly acidic to neutral pH, typically between 5.5 and 7. At this range, ferric ions effectively neutralize negative charges on suspended particles, facilitating their aggregation and removal. Deviations in pH can reduce coagulation efficiency, leading to inadequate treatment and increased turbidity in the treated water.

Michael

03 Nov, 2025

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A »pH significantly influences ferric chloride coagulation. Optimal coagulation occurs at pH 4-6, where ferric ions are most effective. At higher pH, ferric hydroxide precipitates, reducing coagulant effectiveness. Lower pH can lead to incomplete coagulation, while higher pH can cause restabilization of particles, affecting overall water purification efficiency.

David

03 Nov, 2025

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