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Displaying items by tag: GBFS

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Boral receives government funding for kiln feed optimisation project at Berrima Cement Works

28 March 2025

Australia: Boral will receive US$15.4m in government funding for a kiln feed optimisation project at its Berrima Cement Works, with CO₂ emissions expected to reduce by up to 100,000t/yr, based on predicted production rates. The Powering the Regions grant will support the producer’s installation of a new specialised grinding circuit and supporting infrastructure, which will raise the use of alternative raw materials in kiln feed to 23% from 9%, lowering the amount of limestone used.

Boral will use steel manufacturing by-products and industrial waste, including granulated blast furnace slag, steel slag, cement fibre board, fly ash and recycled fine concrete aggregates. The project will be operational in 2028.

The head of innovation and sustainability at Boral, Ali Nezhad, said “In terms of the resulting emissions intensity of the manufactured clinker, the project will result in up to 11% reduction in clinker emission intensity, 9% attributable to a reduction in calcination emissions and 2% attributable to thermal efficiency gains.”

Published in Global Cement News
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UK startup Cocoon raises €4.9m to decarbonise cement industry

13 August 2024

UK: UK-based startup Cocoon has raised €4.9m in pre-seed funding to develop technology that repurposes byproducts from electrified steel furnaces into a ‘near-identical replacement’ for blast furnace slag, according to the company. The modular technology integrates into existing steel-making processes without disrupting operations or requiring high capital expenditure, reports UK Tech News. Cocoon targets a 50% replacement of cement in concrete, aiming to reduce emissions for producers. Initial tests are underway at a steel plant in northern England, followed by another in the US.

Cocoon CEO Eliot Brooks said "We’re turning a byproduct with little use into a valuable product that the market badly needs and can be easily integrated into existing supply chains. By repairing a broken link in the circular economy, Cocoon provides steel makers with a new revenue stream while meeting the low-carbon material needs of the concrete industry. For every 1t of Cocoon’s slag-based cementitious material used, 1t of CO₂ can be avoided."

Brooks hopes Cocoon's climate technology will be integrated into a pilot plant by late 2025.

Published in Global Cement News
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ACC and UltraTech Cement secure granulated blast furnace slag supply from Bokaro Steel Plant

25 August 2023

India: Bokaro Steel Plant has won granulated blast furnace slag (GBFS) supply contracts with ACC and UltraTech Cement. Under the contracts, Bokaro Steel Plant expects to supply 1.3Mt of GBFS from its facilities in Jharkhand for use in cement production in the state. The Pioneer newspaper has reported that the contracts will run until August 2026.

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w&p Zement's slag and clinker rail transport removes trucks from the road

27 October 2022

Austria: Rail logistics company ÖBB Rail Cargo Group (RCG) says that its haulage of 80,000t/yr of granulated blast furnace slag (GBFS) and clinker to and from w&p Zement's Wietersdorf cement plant in Carinthia by rail has removed 3200 trucks/yr from the road since its start in 2019. RCG's trains deliver the plant's clinker to the Peggau-Deutschfeistritz railway station in Styria, and return to the plant laden with GBFS from steel producer Voestalpine's nearby Leoben refinery.

RCG said that w&p Zement is currently working to increase its operations' reliance on rail, adding "Further innovative transport solutions are already being worked on."

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Cemex España to import 10,000t/yr of slag for Lloseta cement plant

21 June 2022

Spain: Cemex España has received clearance from the Balearic Islands Environmental Commission (CMAIB) to import up to 10,000t/yr of granulated blast furnace slag (GBFS) to Majorca. Ultima Hora Online News has reported that the producer will substitute some of the limestone used in the company's Lloseta plant's cement production with the material.

Waste management company Tirme previously handled the Lloseta cement plant's slag supply.

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Cemex USA carries out US$8m cement terminal upgrades in Florida

12 October 2021

US: Cemex USA has upgraded two Florida cement terminals, the Pensacola and Palm Beach terminals, at a cost of US$8m. The upgraded terminals will serve to increase Cemex USA’s cement supply to the region through marine shipments from its global operations. The Palm Beach terminal is also involved in the distribution of assorted cementitious materials including granulated blast furnace slag (GBFS) and fly ash for cement production.

USA executive vice president Matthew Wild said “Florida is growing rapidly, and Cemex’s strong network makes our company well-positioned to implement supply chain and operational enhancements to meet the high demand for building materials in Florida and beyond.” He added “On the cement side, increased demand has outpaced supply at times, and we expect our supply chain enhancements to help alleviate that issue.”

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Topkinsky Cement plant begins producing new slag cement

29 January 2020

Russia: Sibirsky Cement Holding (Sibtsem) subsidiary Topkinsky Cement has announced that it has entered commercial production of a new Mita slag Portland cement with granulated blast furnace slag (GBFS) at its 2.7Mt/yr integrated plant in Topki, for which it received a certification of conformity with ‘cement for general construction’ standards on 16 January 2020. Nina Poputnikova, Topkinsky Cement laboratory and quality department head, said that it is producing the cement in response to ‘construction companies’ increased interest in cement for use in reinforced, precast concrete in monolithic structures such as buried and hydraulic structures.’

“In the near future we plan to certify two new cements,” said Topkinsky Cement managing director Alexey Ospelnikov. One will be a low-heat general-purpose cement for large-sized concrete structures and the other a sulphate-resistant Portland cement. “Expanding the assortment will help strengthen the company’s position in the Russian cement market.”

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Chettinad Cement Corp. Pvt. Ltd. orders Gebr. Pfeiffer mill

16 January 2020

India: Gebr. Pfeiffer has announced that it has received an order for one MVR 6000 C-6 roller mill for Chettinad Cement Corp. Pvt. Ltd.’s upcoming 2.0Mt/yr Vishakapatnam granulated blast-furnace slag (GBFS) and slag cement
Grinding plant in Andhra Pradesh. Gebr. Pfeiffer said the mill will grind slag and cement to a fineness of between 3000 and 3800 blaine at a rate of between 235t/hr and 340t/hr. It says the mill improves plant availability by the active redundancy of the grinding rollers, enabling mill operation with reduced rollers in the event of maintenance work or a malfunction.

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JSW eyes 25Mt/yr capacity expansion by 2023

28 November 2019

India: JSW Cement has revised its planned expansion to its 14Mt/yr total installed capacity to 39Mt/yr before 1 January 2023, an increase of 5Mt/yr compared to its initial target of 34Mt/yr by 2020. The figure includes JSW’s 54% subsidiary Shiva Cement’s new 1Mt/yr integrated and 1Mt/yr grinding plant, valued at a total of US$112m. Parth Jindal, JSW Cement managing director, said that the figure had been revised upward because Shiva Cement had become self-sufficient in clinker production, freeing the group’s east Indian cement production from ‘volatile import costs.’

Economic Times has reported that Shiva Cement is set to bring its limestone reserves to 100Mt with the acquisition of the Khatkurbahal mine. The company sources its granulated blast furnace slag from the Odisha steel industry. Production of JSW Cement’s flagship product, JSW Portland Slag Cement (PSC), releases CO2 at a rate of 325kg/Mt compared to between 760kg/Mt and 800kg/Mt for typical Ordinary Portland Cement (OPC).

Published in Global Cement News
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