Download Managing Coal Combustion Residues in Mines by National Research Council, Division on Earth and Life PDF

By National Research Council, Division on Earth and Life Studies, Board on Earth Sciences and Resources, Committee on Mine Placement of Coal Combustion Wastes

Burning coal in electrical software vegetation produces, as well as strength, residues that comprise components that may be destructive to the surroundings. The administration of huge volumes of coal combustion residues (CCRs) is a problem for utilities, simply because they have to both position the CCRs in landfills, floor impoundments, or mines, or locate replacement makes use of for the fabric. This research makes a speciality of the situation of CCRs in lively and deserted coal mines. The committee believes that placement of CCRs in mines as a part of the reclamation approach could be a practicable choice for the disposal of this fabric so long as the situation is correctly deliberate and conducted in a fashion that avoids major antagonistic environmental and healthiness affects. This document discusses quite a few steps which are serious about making plans and dealing with using CCRs as minefills, together with an built-in strategy of CCR characterization and location characterization, administration and engineering layout of placement actions, and layout and implementation of tracking to minimize the danger of illness relocating from the mine website to the ambient setting. Enforceable federal criteria are wanted for the disposal of CCRs in minefills to make sure that states have sufficient, particular authority and they enforce minimal safeguards.

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These processes utilize ammonia reacted with the flue gas to convert it to elemental nitrogen and water (CURC, 2005). These processes may increase the ammonia content of CCRs making them less marketable (Butalia and Wolfe, 2000). 2 Generation of fly ash, bottom ash, boiler slag, and FGD by utilities (19662003). NOTE: This figure does not include the approximately 5 million short tons of CCR produced by independent power producers firing coal refuse. SOURCE: American Coal Ash Association, Aurora, CO, written communication, October 2005.

Chapter 3 examines the behavior of coal combustion residues in the environment. Chapter 4 looks at the potential environmental impacts, considerations for human health, and reasons for concern regarding placement of CCRs in mines (statement of task numbers 2 and 3). Chapter 5 provides an overview of the regulatory framework governing the placement of CCRs in mines (statement of task number 5). Chapter 6 discusses the risk management framework for CCR disposal, as well as material and site characterization and prediction (statement of task number 4).

Mercury Emissions Controls Technology The implementation of the Clean Air Mercury Rule in 2005 (70 FR 28606) is expected to increase the use of mercury control technologies. The Clean Air Mercury Rule is intended to reduce nationwide utility emissions of mercury by creating a market-based cap-and-trade program occurring in two distinct phases. The firstphase cap of 38 tons will likely be achieved by taking advantage of “co-benefit” reductions—mercury reductions achieved by reducing SO2 and NOx emissions under the Clean Air Act Amendments and the Clean Air Interstate Rule.

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