Keywords

Sewage sludge, Granular activated carbon F-400, Recycled magnesium sludge coagulation, Total organic carbon (TOC) adsorption, Freundlich isotherms and continuous-flow column tests, PH-dependent adsorption of THM precursors

Abstract

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.

Notes

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Graduation Date

Fall 1981

Advisor

Taylor, James S.

Degree

Master of Science (M.S.)

College

College of Engineering

Degree Program

Engineering

Format

PDF

Pages

111 pages

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0013442

Subjects

Carbon, Activated--Absorption and adsorption; Water--Purification--Trihalomethane removal; Water--Purification--Color removal; Water--Purification--Adsorption--Methodology; Water treatment plant residuals--Purification

Accessibility Status

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