Now showing items 1-6 of 6
Properties of Waste Resulting from Arsenic Removal Processes in Drinking Water Treatment
(Virginia Tech, 2001-07-13)
The arsenic maximum contaminant level (MCL) for drinking water is likely to be lowered sometime in 2001 or 2002. If the MCL is lowered, it is speculated that there will be stricter limits imposed on the disposal and ...
Biological Treatment of a Synthetic Dye Water and an Industrial Textile Wastewater Containing Azo Dye Compounds
(Virginia Tech, 2001-07-16)
In this research, the ability of anaerobic and aerobic biological sludges to reduce and stabilize azo dye compounds was studied. Synthetic dye solutions and an industrial textile wastewater were both treated using anaerobic ...
Polycyclic Aromatic Hydrocarbons and Redox Parameters in a Creosote-Contaminated Aquifer
(Virginia Tech, 2001-02-05)
A groundwater monitoring study was conducted as part of a comprehensive program to remediate a former wood-preserving site that was contaminated with creosote. Twenty-five multi-level samplers (MLSs) were installed on-site ...
Effect of Calcium on Arsenic Release From Ferric and Alum Sludges and Lagoons
(Virginia Tech, 2001-09-18)
The dewatering of arsenic-containing residuals is a process that has received little study in the past. Arsenic that has been removed from water by sorption to ferric or aluminum hydroxides can accumulate in residuals to ...
Enhanced Biodegradation in Landfills
(Virginia Tech, 2001-05-14)
The objective of this paper is to evaluate the effectiveness of leachate recirculation and bioreactor landfills at enhancing biodegradation, and to optimize the operation of a bioreactor. Waste Management has been examining ...
Nitrification of Landfill Leachate by Biofilm Columns
(Virginia Tech, 2001-05-30)
Landfill leachate characteristics vary depending on the operation type of the landfill and the age of the landfill. At landfills operated as bioreactors, where leachate recirculation is practiced, leachate ammonia nitrogen ...