The composition of flue gas desulfurization varies widely, based on scrubber type and coal and limestone used. Coal contributes acidic gases, such as chlorides, fluorides and sulfate. Coal also ...

Evolving environmental regulations have forced many coal power plant operators to re-evaluate how they handle water and ash. Many units have been retrofit with dry handling systems, but there are ...

As much of the nation’s wastewater and sewer infrastructure approaches the 50-100 year mark, it must be rehabilitated to remain in use for a growing population. Yet municipal wastewater treatment ...

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