Sludge Volume and Dewatering

Treatment of acidic wastewater containing hydrochloric or sulfuric acids, with magnesium hydroxide, produces the soluble salts magnesium chloride and sulfate, respectively see Tables 10.3 and 10.4. However, treatment of 

TABLE 10.2 Sludge Volumes Generated by Wastewater Neutralization Using Magnesium Hydroxide Compared with Calcium and Sodium Hydroxides 

Treatment Alkali Solids (%) Filter Cycle Time (h) Sludge density (lb/ft.3) 

TABLE 10.3 Salts Produced During Neutralization Reactions 

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