Sources: Heidelberg Materials North America, Irving, Texas; CP staff Heidelberg Materials has entered into a definitive purchase agreement to acquire The SEFA Group Inc., the largest U.S. source of harvested fly ash processed to ASTM C 618 performance. Based in Lexington, S.C., SEFA Group supplies ash to 800 concrete plants in 13 states, and spans five business units, five utility…
Read MoreTag: coal ash
Survey confirms coal ash consumption gains in cement and concrete
Sources: American Coal Ash Association, Denver; CP staff The American Coal Ash Association 2022 Production and Use Survey reflects 2021 data from coal-fired power stations, which yielded 77.3 million tons of ASTM C618 Class F or Class C ash and lesser grade coal combustion products (CCP), up from 69.1 million tons the prior year. When measured against 2020 figures, last…
Read MoreCoal ash recycling rate increases in 2020, reversing previous years’ declines
The American Coal Ash Association 2020 Production and Use Survey shows 59 percent, or 40.8 million tons, of the 69.2 million tons of coal ash produced during 2020 was recycled—up from 52 percent in 2019 and marking the sixth consecutive year that more than half of such material produced in the United States was beneficially used rather than disposed. ACAA…
Read MoreLafargeHolcim, CenterPoint enter 6-million ton ash recycling phase
Sources: LafargeHolcim, Chicago; CP staff LafargeHolcim and waste management subsidiary Geocycle have logged the first coal ash shipment in a multi-year initiative with CenterPoint Energy Inc. Delivered by barge via the Mississippi River, the 2,000-ton load will replace natural clay and fine aggregate as raw feeds at the Holcim (US) Ste. Genevieve mill in Missouri, North America’s largest cement operation.…
Read MorePower Institute, Southern Co. open Ash Beneficial Use Center
Sources: Electric Power Research Institute, Palo Alto, Calif.; CP staff The Electric Power Research Institute (EPRI) and Southern Co. have opened the Ash Beneficial Use Center at Plant Bowen, operated by the Atlanta utility’s Georgia Power subsidiary. The facility will test and validate emerging, pilot-scale management methods for coal combustion products (CCPs).
Read MoreCharah sees cement kiln raw feed in 8 million-ton ash contract
Sources: Charah Solutions Inc., Louisville, Ky.; CP staff Charah Solutions has secured a beneficiation and marketing contract involving up to 8.1 million tons of ponded ash at Dominion Energy’s coal-fired Chesterfield Power Station in Chester, Va.
Read MoreUtility weighs 2 million ton fly ash processing project
Sources: Georgia Power, Atlanta; CP staff
Georgia Power is reviewing beneficial reuse prospects for upwards of 2 million tons of coal ash at Plant Mitchell, a retired generating station near Albany, Ga. A forthcoming contract will mark the first time in the state where coal combustion residuals from existing ponds are excavated and converted to ASTM C 618-grade fly ash.
Read MoreCoal Ash group counters EPA’s sprawling definition of beneficial CCR use
Sources: American Coal Ash Association, Farmington Hills, Mich.; CP staff
American Coal Ash Association (ACAA) representatives are preparing to challenge the Environmental Protection Agency’s move to expand the definition of beneficial uses of coal combustion residuals (CCR) during an early-October public hearing in Washington, D.C.
Read MoreCoal ash recycling reaches record rate as production, use patterns shift
Sources: American Coal Ash Association, Farmington Hills, Mich.; CP Staff
Sixty-four percent of the coal ash produced during 2017 was recycled, establishing a new record rate and marking the third consecutive year that more than half of such material produced in the United States was beneficially used rather than disposed.
Read MoreUniform particle size coal ash: Essential for future concrete applications
The decline in coal for energy has reduced available fly ash supply to the concrete industry and generated a significant increase in finished product variability, which has led to a sharp rise in material costs for high profile projects such as One World Trade Center, New York City.
Read More