Production of the cement used in concrete is a major source of greenhouse gas emissions, which is why some people have tried replacing it with fly ash. A new technique makes that fly ash more ...

Researchers argue that extracting rare earth elements from fly ash is impractical compared to using monazite sand due to low ...

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 ...

Engineers have developed a composite binder made primarily of fly ash, a byproduct of coal-fired power plants, that can replace Portland cement in concrete. Rice University engineers have developed a ...

Concrete production is one of the largest sources of carbon dioxide emissions in the world, after transportation and energy. To make the ubiquitous building material more environmentally friendly, the ...

Scientists develop process to remove toxic heavy metals from coal fly ash, making for greener, stronger concrete. The road to a net-zero future must be paved with greener concrete, and Rice University ...

Humans produce more concrete than any other material on the planet. It is the literal foundation of modern civilization—and for good reason. Concrete is strong, durable, affordable, and available to ...

The Union Government recently issued a draft amendment notification regarding the eco-friendly utilisation of ash (fly ash and bottom ash), which are by-product ...