a. Introduction    b. Fly Ash     c. Bottom Ash    d. Fluid Gas Desulpherization (FGD) Products  e. Ash Derived from the Burning of Products from Oil Refining (PET Coke)     f.  Resource Recovered from Ash 

                                                 a. Introduction

 Unlike other sources of energy, coal is consumed in large facilities where the combustion products can be collected, processed and then marketed to add another revenue stream, thereby reducing the negative impact of coal combustion on the environment: reducing CO2 emissions as well as demand for natural resources, energy and landfill. The various coal combustion products are discussed next. 

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