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Mississauga, ON, Canada – A fully automated control system to extract gases such as carbon dioxide was installed in a Mississauga, Ontario, underground landfill.
Automated Gas Extraction- 7/2/2009
The system, which uses Rockwell Automation technology, powers the gas extraction process, controls the temperature and allows plant operators to keep the facility operating at maximum output. Integrated Gas Recovery Services (IGRS), a partnership between Comcor Environmental Limited and a Walker Industries’ subsidiary, operates the system.
“We wanted an automated system that could help collect the gases on the landfill for odor control, as well as generate electricity in a sustainable way,” says Matt Dugan, plant engineering manager at Comcor. “To do this, the equipment at the generating plant needs to run as efficiently as possible to maximize the electricity produced, while minimizing the amount of energy consumed by the plant itself.”
“By intelligently controlling the drives and motors, we’ve experienced tremendous energy savings,” Dugan adds. “For example, instead of running both 450Hp gas compressors at full speed, the drives typically run at around 75% of their maximum speed to provide sufficient gas supply to run the engines but minimize parasitic power costs.”
Read the full story at reliableplant.com.
Photo courtesy of Rockwell Automation.