Date of Award

Winter 1994

Document Type

Thesis

Degree Name

Master of Science in Civil Engineering - (M.S.)

Department

Civil and Environmental Engineering

First Advisor

Dorairaja Raghu

Second Advisor

Edward G. Dauenheimer

Third Advisor

Hsin Neng Hsieh

Abstract

Due to the stringent environmental regulations, landfilling becomes the most viable option for ultimate disposal of water treatment plant (WTP) residues. At present, most states apply the regulations for municipal solid waste (MSW) landfills to the landfilling of WTP residues. This is too stringent since the WTP residues are not hazardous. Therefore, development of suitable criteria for WTP residual monofills is necessary and urgent.

A set of environmental and geotechnical experiments was conducted to characterize WTP residues. It can be concluded that very little leachate will be produced and migration of leachate is unlikely. Also it was noted that insignificant amounts of biogas were produced in the tests conducted.

Based on the investigations, it was observed that criteria applicable to MSW landfills regarding liners, leachate and groundwater monitoring systems and gas venting systems can be modified suitably for application to WTP monofills.

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