When owners of the Big Stone Plant researched air quality control system technology, they considered all available options and eventually settled on a design that was not in widespread use. Now that ...

Fabric filters, or baghouses, have been used to capture particulate from combustion processes for more than 50 years. They grew popular in the power generation industry in the 1970s after the first ...

The oldest boiler is attached to the newest scrubber, which was installed in 2007, 49 years later. “I think people have a dim view of coal because of its harmful effects,” Nichols said. “We’ve done a ...

When Colorado Springs Utilities inked a deal in 2011 to spend $111.8 million on a scrubber technology project to clean pollutants coming from the coal-fired Martin Drake power plant, officials ...

Exhaust Gas Recirculation (EGR) has firmly shown its ability to comply with Tier III NOx limits, which will enter into force in January 2016. Developed by MAN Diesel & Turbo, the EGR process already ...

Nova Scotia's Northern Pulp mill has been ordered to install air pollution equipment — six years after a scrubber ceased to function. CBC News has learned the Pictou County mill must make the changes ...