Cement News tagged under: Blended Cement
Cement mill output11 September 2013, Published under Cement NewsFollowing the Cemtech Asia technical workshop in Jakarta in June, Dr Clark decides that the blended cement workshop needs to be expanded to cover broader topics. Starting by considering the reasons for the current proliferation of mini-cement grinding plants around the world, he then moves onto the technical aspects of how energy consumption and output of a cement grinding system can be predicted. The output of the mill can easily be predicted by knowing the energy consumption of t... |
PPC buys controlling stake in Safika Cement07 August 2013, Published under Cement NewsPPC has entered into an agreement to purchase a controlling equity stake in Safika Cement Holdings, a blended-cement producer in South Africa. The company acquired the stake for a cash consideration of approximately ZAR350m (US$35.3m). Safika owns five blending facilities and one milling operation and produces blended 32.5N cement under three brands: IDM Best Build, Castle and the Spar Build-It house brand. Commenting on its latest acquisition, PPC chief executive officer said: "We are ... |
Clinker C3S paramount18 March 2013, Published under Cement NewsDr Clark explores how process knowledge and particularly the maximisation of C3S content in clinker together with that C3S hydraulic reactivity are the key to a successful blended cement strategy. Supplementary additives such as granulated blastfurnace slag, pulverised coal fly ash, silica fume and natural pozzolans and limestone are popular additions to replace clinker and improve profits while lowering the CO2 footprint During the recent Cemtech Middle East & Africa event i... |
Ternary cements in Iceland20 February 2013, Published under Cement NewsProducing cement in Iceland is a unique experience. The scarcity or even absence of traditional raw materials on this volcanic island requires some inventive thinking. In addition, exposure to water, particularly seawater, heavy winds and cold weather makes special demands on the concrete and hence, the cement used in construction. This led to the development of ternary blended cement, using locally-available pozzolans. Dr Guðmundur Guðmundsson, former manager of the Iceland State Cement Wor... |