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Australian producers and marketers of power station ash formed the Ash Development Association of Australia (ADAA) with the objective of investigating and developing market opportunities for the use of these materials in various industry applications such as construction, agriculture and manufacturing.

While the principal output from coal combustion is energy, significant quantities of by-products in the form of coal combustion products (CCPs) are also produced. In life cycle terms, the opportunities to exploit the low energy embodied in CCPs such as fly ash, furnace bottom ash, boiler slags and cenospheres are extensive. 

The combustion of pulverised coal in the furnace of a coal-fired power station boiler results in the production of a number of solid by-products. Internatioanlly we now more accurately classifiy these inert solid by-products as coal combustion products. This term reflects a more positive view and is in keeping with circular economy concepts, being an industrialised approach that seeks to use one industry's by-product output as another industry's material inputs.

We trust you find this website resource helpful, moreover gain a better understanding of coal combustion products which are man-made minerals that can help conserve finite natural resources.    


News Updates

From The Ashes

21-01-2021

Fly ash from coal-fired power stations has become an important raw material for construction. But does the decline of coal power mean there’s no more ash?

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POSTPONED - WOCA

21-01-2021

After close consultation with our partners, meeting planners, Kentucky officials, as well as a lot of you, the American Coal Ash Association and the University of Kentucky Center for Applied Energy Research has made the difficult decision to postpone the World of Coal Ash (WOCA) from 2021 to 2022.

 

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ACAA CCP Production and Use Survey Results

13-01-2021

Fifty-two percent of the coal ash produced during 2019 was recycled – marking the fifth consecutive year that more than half of the coal ash produced in the United States was beneficially used rather than disposed. The volume of fly ash used in concrete increased 1 percent over the previous year, but most other uses saw significant declines, leading to an overall decrease in recycling activity of 31 percent.

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Harvested Fly Ash in Pavement

03-12-2020

A new "Tech Brief" published by the National Concrete Pavement Technology Center at the University of Iowa supports the use of harvested fly ash in highway infrastructure.

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