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 ...

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 ...

Experts say the use of coal fly ash in concrete mixes and land infill is a safe practice ? as long as it?s done right. “We believe that when you stabilize the material, it?s a wonderful thing to use,” ...

On one hand, with the retirement of coal-fired power plants the supply of fly ash has decreased. Fly ash is one of the most popular supplemental cementitious materials (SCM) in the industry, so it’s ...

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 ...

Have you heard about the cobra effect? During the colonial era, Delhi had a major cobra issue. The then-British government announced a bounty for dead cobras to reduce the number of snakes on the ...

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 ...

The use of coal fly ash, which has been linked to well water contamination in Gambrills, may soon be illegal to use in Anne Arundel. County Executive John Leopold is drafting an emergency bill that ...