The study investigated the ability of granular activated carbon (F-400) to remove organic color, TOCk and THM precursors from a highly organic-laden recycled magnesium sludge without reducing the magnesium concentration. This treatment was attempted in order to render the sludge a more effective coagulant for surface water purification. Adsorption effectiveness was assessed through Freundlich isotherms and continuous-flow GAC columns, with both procedures conducted at three pH values. Color and TOC were adsorbed more effectively at lower pH values, while adsorption of THM precursors was inhibited at low pH. Magnesium was not significantly adsorbed by the carbon. The carbon treatment of magnesium sludge did little to improve its coagulation effectiveness.
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Taylor, James S.
Master of Science (M.S.)
College of Engineering
Length of Campus-only Access
Masters Thesis (Open Access)
Gill, Kathleen O., "Selective Removal of Color, TOC, and THM Precursors from a Highly Colored Recycled Magnesium Sludge Using Granular Activated Carbon" (1981). Retrospective Theses and Dissertations. 558.