Cement News tagged under: supplementary cementitious materials

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Lehigh Hanson partners with Fortera to reduce carbon emissions

15 March 2021, Published under Cement News

North America's Lehigh Hanson (HeidelbergCement) and Fortera Inc have announced a collaboration project to reduce emissions from Portland cement production. The two companies will work together to construct and operate a small commercial plant at Lehigh's cement facility in northern California. The plant will capture CO 2 from the kiln exhaust and convert it into a cementitious material. This can then be blended with Portland cement and used by ready-mix concrete producers as an SCM or us...

EU calls for greater use of secondary raw materials

26 February 2021, Published under Cement News

The EU Parliament’s own-initiative report adopted this month calls for an upgrading of secondary raw materials. Among other things, it provides for stronger environment-oriented public procurement with mandatory minimum criteria, for example in the construction industry.   For the Euroslag European network and the FEhS Building Materials Institute, this is an important step towards a comprehensive approval of secondary building materials and their conditional prioritisation in public ...

New supplementary cementitious materials

19 August 2019, Published under Cement News

The search for new supplementary cementitious materials (SCMs) is ongoing. A recent review of existing SCMs and the potential for new ones caught the eye of Arthur Harrisson and provided further potential for investigation. A disused slate quarry: a potential SCM? A recent review 1 of the availability of supplementary cementitious materials (SCMs) and the possibility for expanding the choice of those available examined the range of emerging SCM sources and also the means of tes...

Unlocking Dominica’s pozzolans

09 December 2015, Published under Cement News

Quarry operator Carib Sand & Stone is preparing an extensive expansion project at its Pointe-Michel mine on the Caribbean island of Dominica. The expansion is expected to help meet the growing demand for supplementary cementitious materials (SCM) in the Americas market. By Jean-Yves Bonnaire, Carib Sand & Stone Ltd, Dominica. The relatively abundant and accessible natural pozzolan resources offer further opportunities Carib Sand & Stone Ltd is an independent quarry operator, ope...

Cement plants of the future

18 November 2013, Published under Cement News

In the first of a series of articles for ICR, Kline Consulting explores the impact that reducing carbon emissions could have on the design of cement plants of the future. The three traditional CO2 reduction levers – namely energy efficiency (fuel and power), fuel CO2 reduction and clinker substitution – will all be considered in detail, as will the role of carbon capture technologies. In this first article, the author focusses on clinker substitution and the changes that may be required to e...