Volume 87 Issue 10 | pp. 14-15 | Concentrates
Issue Date: March 9, 2009

Joint Venture To Expand Fly Ash Use

Department: Business

Nalco has formed a joint venture with Sonic Technology Solutions to expand the use of fly ash from coal-fired power plants as a cement substitute. The venture, named SonoAsh, will develop a process to precondition waste fly ash and reduce residual carbon. According to Nalco, 65% of North America’s fly ash is low grade, cannot be used by the cement industry, and ends up in landfills. Because cement production contributes an estimated . . .

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