Alabama Electric Cooperative Spending $250 Million for Environmental Upgrades

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Researched by Industrial Info Resources (Sugar Land, Texas). Alabama Electric Cooperative, Incorporated (Andalusia, Alabama) is in the process of having some major environmental projects installed at the Charles R Lowman Power Station in Leroy, Alabama. Black & Veatch (Kansas City, Missouri) is providing engineering, procurement and construction management to reduce nitrogen oxide (NOx), sulfur dioxide (SO2), particulate matter (PM), and mercury (Hg) emissions on the 538-megawatt (MW) dry bottom coal units. Unit #1 is a Babcock & Wilcox front-fired (685,000 lbs/hr, 1,250 psi @ 1,000 F) that provides steam to produce steam for a 66 MW turbine/generator and Units #2 and #3 are both Riley Stoker opposed-fired (1.76MM lbs/hr, 1,875 psi @ 1,005 F) to produce steam for two 236 MW steam turbine/generators.

Units #2 and #3 are both being retrofitted with selective catalytic reduction (SCR) units to reduce NOx emissions. An SCR will not be necessary for Unit #1 due to the fact that lower emissions from Units #2 and #3 will lower overall emissions for the plant and bring it into compliance for NOx emissions.

To reduce SO2 emissions Units #1 and #2 are getting a new Chiyoda wet limestone flue gas desulfurization (FGD) scrubber that they will share. SO2 emissions for Unit #3 will be reduced with modifications to the two existing wet Peabody FGD’s that currently service Units #2 and #3, reducing emissions by more that 90%. As a co-benefit, these technologies are also expected to reduce mercury (Hg) and particulate emissions.

Construction of these air quality projects commenced during the spring of 2006. The air quality emission reduction projects will be completed and tie-ins are targeted for the fourth quarter of 2007 through the second quarter of 2008.

For more information on future business trends and project spending in the Power Industry, check out Industrial Info’s 2006 Power Industry Forecast.

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