When groundwater flows through underground coal mines, metals and sulfate often leach from pyrite-laced coal and bedrock and discharge into a surface water body, becoming acid mine drainage.
- By Michael von Fahnestock, Ph.D.
- September 24, 2008
Emerging Trends
The growing water shortage underscores the need not only for comprehensive conservation plans and re-allocation of water resources but for the development of new technologies and facilities that will convert non-potable water into fresh drinking water.
- By Sheila Harvey, Tom Campbell
- September 23, 2008
Whether used for cooling or processing, raw water drawn from lakes, rivers, and reservoirs must first be strained to remove dirt and debris that can harm critical process systems and equipment.