Cement News tagged under: calcined clay

RSS feed

AVIC International Beijing and Humboldt Wedag to build CIMAF calcined clay plant

17 October 2024, Published under Cement News

AVIC International Beijing, together with Humboldt Wedag GmbH (KHD), has been awarded an order by Ciments de l'Afrique (CIMAF) for a 900tpd state-of-the-art clay calcination plant in Burkina Faso. The turnkey engineering, procurement and construction (EPC) contract includes the supply of equipment, construction, commissioning and site services. CIMAF, a prominent and innovative player in west Africa, awarded this contract as a key component of its strategy to enhance sustainability. KH...

HS2 tunnels could use calcined clay cement

09 October 2024, Published under Cement News

Skanska Costain Strabag joint venture has secured government funding to trial calcined clay as a low-carbon alternative to cement on HS2 London tunnels.The contractor will use the Innovate UK funding to continue developing a replacement for Portland cement with repurposed London clay. Data from a preliminary trial funded by HS2 showed that calcined London clay excavated from tunnels and other construction activities could be a viable alternative to cement in concrete. Although results fro...

Holcim plans new US$44m calcined clay processing line in Czech Republic

01 October 2024, Published under Cement News

Holcim Cesko is set to embark on its largest investment to date with the construction of a new calcined clay processing line at its Cížkovice cement plant, worth CZK1bn (US$44m). This cutting-edge project, expected to be completed by the end of 2026, is part of Holcim’s broader decarbonisation initiative aimed at reducing energy intensity and eliminating reliance on fossil fuels. By incorporating calcined clay, a low-carbon material, the new line will significantly reduce CO 2 emissions a...

MPA study finds waste clay and bricks could reduce embodied carbon of cement by 30%

30 August 2024, Published under Cement News

Using waste clay and bricks in the cement production process could reduce the final product’s embodied carbon by as much as 30 per cent, according to a recent report. Led by the Mineral Products Association (MPA) with funding from Innovate UK, the two-year study found that reclaimed clays and finely-ground brick powder can be used in the manufacture of cement and concrete to lower associated emissions compared with the leading CEM I cement. The report also found that if calcined clays ...

Cimpor starts Kribi calcined clay plant

27 August 2024, Published under Cement News

Cimpor has launched its new plant in Kribi , Cameroon. Equipped with a production line for calcined clay based on the entrained flow process (flash activation), developed and built by thyssenkrupp Polysius, the plant produced its first activated clay in October last year.  With the Polysius ® activated clay technology, CO 2 emissions can be reduced by up to 70 per cent compared to conventional cement clinker production.  Leo Fit, Product Manager for Polysius ® activated clay, emphasi...

Deha Tech to build calcined clay plant in Tema

08 August 2024, Published under Cement News

Deha Tech will undertake the construction and mechanical assembly of the world’s largest newly-built calcined clay facility with a production capacity of 1280tpd located in Tema, Ghana, for Cimpor Global Holding. Cimpor Global is a pioneer of calcined clay production facility investments, which are one of the key strategies of its sustainability and decarbonsation roadmap. This investment will have a significant impact on reducing emissions and the CO 2 footprint resulting from clinker...

Titan receives DoE funding for calcined clay project

25 April 2024, Published under Cement News

Titan America 's  Roanoke plant in Virginia is to receive funding for its first-of-a-kind calcined clay production line. The US$61.7m award has been granted by the US Department of Energy (DoE) to support the innovative technology that aims to substantially reduce CO 2 emissions. According to Titan, the funding underscores the company’s dedication to reducing CO 2 emissions throughout the organisation, aligning closely with its ambitious goal of achieving net-zero concrete by 2050. Th...

Green cement in the US is becoming big business

28 March 2024, Published under Cement News

The US cement market has been playing catch-up with markets such as Asia where the share of the market held by supplementary cementitious materials (SCM) has grown substantially over the last decade. While factory-produced Portland limestone (Type IL) cement is now rapidly expanding its market share in the US, future innovation is seeking to increase clinker replacement by SCMs even further with the production of a new generation of green cements.  SCMs such as fly ash and slag cement cur...

TARA and Promac boost LC3 commercial programme with MoU

26 March 2024, Published under Cement News

Technology and Action for Rural Development (TARA) organised an LC 3 Celebration Day at its Head Office in New Delhi, India, on 19 March 2024. The event, supported by the Swiss Agency for Development and Cooperation, was kick-started by the signing of an MoU with PROMAC engineering. PROMAC engineering will cater to cement companies in India and across the globe to provide them a turnkey solution from ground-to-gate for producing calcined clay cement.   TARA aims to develop the commercia...

thyssenkrupp Polysius wins Schwenk Zement activated clay project

04 March 2024, Published under Cement News

Schwenk Zement GmbH & Co KG has commissioned thyssenkrupp Polysius to build a demonstration plant in Alllmendingen for the production of activated clay without calcination. After the planned commissioning in 2025, the CO 2 emissions resulting from the production of cement containing clay will be significantly reduced. The new plant is based on an all-electric clay activation process jointly developed by thyssenkrupp Polysius and Schwenk Zement without calcination and without fuels. ...