In the past couple of years in Canada, specially formulated activated carbon (AC) based remedial amendments have effectively contained and treated petroleum hydrocarbon and chlorinated solvent plumes. Three brief case studies are presented in this article showcasing the power of
Activated Carbon – What It Is and How It Works
Charcoal is produced by heating wood or other organic materials in the absence of oxygen at temperatures above 300⁰C. Early methods consisted of constructing earthen kilns over stacked wood. The wood is partially burned to generate heat. Heating continues
The Dirt on Dry Cleaners
Or…Removing a Stain on the Environment For decades tetrachloroethylene (a.k.a. perchloroethylene, PCE or perc) was favoured as a dry cleaning fluid due to its strong degreasing power, relatively gentle action on fabrics, and non-flammable nature. In time, scientists came to
PRB Design and Installation
(or Everything You Always Wanted to Know About PRBs, But Were Afraid to Ask – Part 2) Last month, in honour of innovative Canadian-based research into Permeable Reactive Barriers (PRBs), we presented a brief history and discussion of traditional PRB