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Coagulants: Principles and Industrial Applications 1. Определение и основная функция Коагулянтыare chemicals that destabi...
Тип | Примеры | Характеристики |
---|---|---|
Неорганические коагулянты | Aluminum sulfate (Alum), Ferric chloride (FeCl₃), Polyaluminum chloride (PAC) | Low cost, pH-sensitive, generate large flocs. |
Органические полимеры | PolyDADMAC, Polyacrylamide (PAM) | High efficiency, low sludge volume, charge density-dependent. |
Natural Coagulants | Chitosan, Moringa oleifera seeds | Eco-friendly, biodegradable, limited to low-turbidity water. |
Наши преимущества | ограничения |
---|---|
Rapid sedimentation | pH adjustment often required (e.g., Alum works best at pH 6–7). |
Экономически эффективно для крупномасштабного использования | Metal-based coagulants increase sludge volume. |
Adaptable to various contaminants | Polymer overdosing causes re-stabilization. |