Use of NaOH to Control pH for Solubilization of Waste Activated Sludgeby Jih-Gaw Lin,
Document Type: Proceeding Paper
Abstract: Waste activated sludge was collected from the final clarifier of a local municipal wastewater treatment plant. NaOH was used in comparison made of the controlled pH batch experiments with those having no pH control. The sludge without pH control would rapidly increase soluble materials. pH control experiments indicate a stable soluble reaction but reaction styles vary with different pH control values. This finding confirms the importance of selecting a suitable pH. The results of solute analysis are satisfactory at pH value of 10.
Subject Headings: pH | Solubility | Municipal wastes | Activated sludge | Municipal wastewater | Wastewater treatment plants | Waste treatment plants | Clarifiers
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