Colorado Springs Utilities signed a $73.5 million contract with Neumann Systems Group Inc. to install a 220 MW flue gas desulfurization (FGD) system at CSU’s 254 MW Martin Drake coal-fired power plant to lower sulfur dioxide emissions. The total cost of the project is expected to be $113 million.

Neumann won a $7.2 million contract from the U.S. Department of Energy (DOE) in August to further develop the Neustream technology, which works by rerouting emissions through a liquid composite that absorbs SO2. The liquid is then pumped out of the stack, processed and sent back into circulation to absorb more SO2.

Construction is expected to begin in 2011 and be completed by 2014.

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