Pollution and Waste Treatment Solutions for Environmental Professionals

Drinking Water

Remediation Marathon Style
June 1, 2004By Scott D. Wallace
Constructed wetlands are an economical way of cleaning up petroleum-contaminated sites that require treatment over long periods of time
In-situ biological treatment (bioremediation) systems have now gained widespread acceptance for dealing with sites impacted by petroleum hydrocarbons. However, at many remediation sites, the need to pump groundwater to maintain gradient control still generates a stream of contaminated water requiring treatment, even if in-situ technologies are being employed.
Demystifying Membranes - Part II
May 1, 2004By Peter S. Cartwright, P.E.
This overview helps separate the facts from the fallacies related to membrane technologies used in wastewater treatment
This is the second article in a two-part series on membrane elements and treatment systems. "Demystifying Membranes - Part I" was published in Environmental Protection's July-August 2003 issue and is accessible online at no charge under "Archives" at www.eponline.com. The first article compares the advantages and disadvantages of four types of membrane separation technologies. Part II clears up some common misunderstandings about the properties of membrane technologies.

Video

The Cycle

Have you ever wondered what happens to the glass, metal, and plastic you set out for recycling?

RSS Feeds