Airplane deicing requirements have made air travel in winter months safer, but airport managers worldwide are now coping with new regulations as the environmental impacts of the practice are now coming under regulatory scrutiny. Although the glycols typically used for deicing are readily treatable, creating a steady state of predictable flow and concentration for treatment [...]
Using Treatment Wetlands, NWC Designs Remediation Systems for Petroleum Contaminated Sites Petroleum producers faced with the challenge of remediating hydrocarbon contaminated sites regularly turn to Naturally Wallace Consulting (NWC) to solve this difficult challenge. “Utilizing engineered treatment wetlands, what was once an industrial brownfield can be converted to a world-class golf course, a park, and [...]
Wastewater treatment can present challenges to the engineer for numerous reasons: the chemistry may be complex and variable, and flows can change with the addition or subtraction of production facilities. In addition, high capital cost outlays for mechanical wastewater treatment system additions and significant long-term operations and maintenance costs can result in lifecycle cost analysis [...]