USA: Fly Ash for Concrete Production Thermal Beneficiation Technology Improves Quality of Fly Ash Production

Editor: Alexander Stark

Charah Solutions, a provider of environmental and maintenance services to the power generation industry, has installed its proprietary fly ash beneficiation technology at the company’s Sulphur terminal to improve the quality of fly ash and to increase its supply of marketable fly ash to concrete producers in the USA.

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Charah Solutions MP618 technology in Sulphur, Louisiana.
Charah Solutions MP618 technology in Sulphur, Louisiana.
(Source: Charah Solutions)

Louisville/USA — The company's new MP618 Multi-Process technology reduces loss on ignition (LOI), ammonia, activated carbon and moisture in fly ash. Charles Price, President and CEO of Charah Solutions said that the launch of this facility highlighted the importance of the company's acquisition of SCB International last year, and would be the first of many facilities they expect to install in the US.

The MP618 thermal beneficiation technology provides concrete product producers and builders with a source of high-quality Class F fly ash to meet a growing number of construction projects in the greater Lake Charles / Sulphur region. The Sulphur terminal is the company’s second barge-supplied location in Southern Louisiana. Its La Place, Louisiana, terminal currently serves customers in Louisiana, Mississippi and Alabama.

MP618 technology allows for beneficiation of both wet and dry fly ash. According to the supplier, it has a significantly lower cost profile, an efficient footprint with self-contained environmental controls that can be deployed in months versus years and a modular design that can be scaled up or down to increase production based on market demand. With the functionality to process both wet and dry fly ash, the MP618 technology can be installed at both operating and non-operating power plants, regardless of whether the fly ash is current production or legacy ash stored in ponds or landfills. The technology also allows for the processing of kiln dust to remove mercury for emissions regulations compliance.