Sources: Eco Material Technologies, South Jordan, Utah; CP staff Eco Material Technologies will add up to 600,000 tons to its annual concrete-grade fly ash shipments with construction of a facility for processing and beneficiating coal combustion material impounded at Georgia Power’s Plant Branch, a Putnam County, Ga. generating station the Atlanta-based utility retired in 2015. Using its ES EcoSystem Efficient…
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Purebase ramps up calciner for commercial scale metakaolin output
Purebase Corp. anticipates a Q3 start up for a calciner engineered to process reactive, concrete-grade metakaolin from an Ione, Calif. kaolin clay deposit. An ASTM C618-designated natural pozzolan, metakaolin presents a reduced carbon alternative to portland cement, owing to the lower calcination phase heat, < 700°C versus 1,400°C+, required to drive off CO2 from calcium and other minerals. It can…
Read MoreLafarge Canada secures full output of recycled glass pozzolan plant
Sources: Progressive Planet, Kamloops, British Columbia; CP staff Under a new purchase agreement, Lafarge Canada Inc. will assume the entire run of PozGlass 100G ground glass pozzolan—upward of 3,500 metric tons—from a pilot Progressive Planet facility in British Columbia, scheduled for 2024 start up. PozGlass 100G technology centers on a reactor equipped to transform the sodium in finely ground, post-consumer…
Read MoreCR Minerals pozzolan supports GCC Type IP powder offering
Sources: CR Minerals Company LLC, Fort Worth, Texas; CP staff CR Minerals has entered an extended agreement to supply natural pozzolan as a source feed for an ASTM C595 Type IP cement, finished at the GCC Tijeras mill near Albuquerque, N.M. The GCC product has demonstrated capacity to mitigate against chemical attack on concrete, augmenting structures’ service life, and holds…
Read MoreGround glass performance pozzolan enters commercial production
Sources: Urban Mining Northeast, New Rochelle, N.Y.; CP staff Urban Mining CT is approaching large scale processing of Pozzotive, a concrete-grade pozzolan derived from glass raw feeds regardless of color, size, presence of ceramics or cleanliness. A charter facility in Beacon Falls, Conn. is equipped for 50,000 tons’ annual output.
Read MoreCharah, Diversified Minerals team on pozzolan for California market
Charah Solutions Inc. will open a facility using patented grinding technologies to mill supplementary cementitious materials (SCM) at a Diversified Minerals Inc. processing and terminal site in Oxnard, Calif., 60 miles outside Los Angeles.
Read MoreCharah, California’s Diversified Minerals plan pozzolan processing
Sources: Charah Solutions Inc., Louisville, Ky.; CP staff
Charah Solutions will open a facility using patented grinding technologies to mill supplementary cementitious materials (SCM) at a Diversified Minerals Inc. processing and terminal site in Oxnard, Calif., 60 miles outside Los Angeles.
Read MoreNatural pozzolan exhibits potential as fly ash substitute
Sources: Sunrise Resources Plc, Cheshire, U.K.; CP staff
Sunrise Resources reports successful demonstration of a material, mined at the CS Pozzolan-Perlite Project in Nevada, as a substitute for fly ash in concrete. Prior observation of the natural pozzolan entailed mortar specimens, while more recent tests have been conducted on concrete samples and involved a major integrated cement and ready mixed producer.
Read MoreCharah slag, pozzolan finishing technology debuts in the Empire State
Fly ash processor Charah Solutions Inc. has sited its first facility with patented granulated blast furnace slag grinding technology at the Port of Coeymans, 100 miles up the Hudson River from New York City. With barge, rail and truck access, it will finish MultiCem-branded slag cement to be distributed through the company’s MultiSource materials network.
Read MorePozzolan deposit positions Boral to step up Western state ash volume
Sources: Boral Resources, Atlanta; CP staff
Boral Resources has acquired 4.5 million tons of natural pozzolan contained in surface piles at a central Utah mine. “Extensive testing and characterization of the materials shows that they can be blended with several Western fly ash sources to extend the volume of concrete-quality pozzolans available in Western states markets,” says Boral CM Services Vice President, Technology Rafic Minkara, Ph.D., P.E. “This material can deliver enhanced ASR mitigation when blended with some fly ashes. Furthermore, the material’s location at an active and fully permitted site greatly reduces development costs and timelines.”
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