In the process of making power, coal-fired plants in North America annually produce about 70 million tons of fly ash. This material is an under-utilized resource, with about two-thirds of it relegated ...

Fly ash generated by coal-fired power stations is an environmental headache, creating groundwater and air pollution from vast landfills and ash dams. Some of the waste product can be repurposed into ...

Concrete is the most widely used construction material in the world. One of the key ingredients in concrete is Portland cement. The American Concrete Institute explains that Portland cement is a ...

Coal-fired power plants have done their fair share of damage over the past century. From climate change to acid rain, black lung to heart disease, they’ve generally been on the debit side of the ...

Over the past four decades, the use in concrete of supplementary cementitious materials (SCMs), such as fly ash, slag cement, and silica fume, has improved the properties of fresh concrete, such as ...

Indian Railways' fly ash transport initiative aims to boost freight opportunities while promoting sustainability in construction and industry.

While the industry sees profitable opportunities for fly ash in industrial applications, they find it uneconomical for use in abandoned mining fill sites. The Union Government recently issued a draft ...

RMIT researchers have developed a new type of "green concrete" that incorporates twice as much recycled coal ash as existing low-carbon concretes, halves the amount of cement required, and lasts even ...