US power supplier Exelon Power has announced that the planned retirement of two of its aging fossil fuel power generating units is to be delayed, thus permitting two further years of significant caustic calcined magnesia (CCM) use in at least one of the plant’s flue gas desulphurisation (FGD) units.
In December 2009, Exelon had announced that effective 31 May 2011 it was to retire Units 1 and 2 at Cromby Generating Station, and Units 1...