Browsing Faculty of Engineering Sciences and Technology by Author "Okwadha, GDO"

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Biocontainment of PCBs on flat concrete surfaces and coprecipitation of PCBs and metals in boiler chemical cleaning wastewater by microbial carbonate precipitation

Okwadha, GDO (2010)

Some industrial equipment such as electric transformers and capacitors are located in vaults and substations on flat concrete surfaces. Due to accidents, normal routine maintenance or replacements, these equipments may ...
Evaluation of Surface Water Runoff from Fly Ash–Stabilized and Nonstabilized Soil Surfaces

Dombrowski, Frank J; Ramme, Bruce W; Okwadha, GDO; Kollakowsky, Dave (2010)

This study evaluated the constituent make up of simulated rainwater runoff from Class C fly ash–stabilized and nonstabilized clay soil using laboratory test pads to assess the potential for impacts to surface water from ...
Thermal removal of mercury in spent powdered activated carbon from Toxecon process

Okwadha, GDO; Li, Jin; Ramme, Bruce; Michaud, Dave; Kollakowsky, Dave (2009)

This research developed and demonstrated a technology to liberate Hg adsorbed onto powdered activated carbon (PAC) by the TOXECON process using pilot-scale high temperature air slide (HTAS) and bench-scale thermogravimetric ...

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