CCP Production & Use Statistics

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What are Coal Combustion Products?

Coal combustion products (CCP) are the materials produced when we burn coal to generate electricity. They include fly ash,bottom ash, boiler slag,flue gas desulfurization gypsum, and other power plant byproducts. The term "product" was coined by the U.S. Environmental Protection Agency to promote recycling these and other industrial byproducts.

Using CCP rather than disposing of them conserves natural resources, reduces greenhouse gas emissions, and saves taxpayers significant costs.

When selecting materials for construction we have the choice of substituting recycled materials for conventional products to achieve sustainable design and drastically reduce a myriad of environmental impacts. In most cases these materials cost less, are available locally, and are technically equivalent or superior to virgin materials.

A multibillion dollar industry has "risen from the ashes" since the 1940s when the U.S. Bureau of Reclamation began using concrete made with fly ash to construct dams. Today, coal combustion products are incorporated into a wide range of building materials as well as engineered composite materials, such as metal alloys and plastics to provide strength without adding weight. Fly ash, bottom ash, FGD gypsum, and boiler slag are known worldwide as coal combustion "products" to emphasize the benefits of recycling over landfilling.

Fly Ash

Bottom Ash

Boiler Slag

Flue Gas Desulfurization Gypsum

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