Cement News tagged under: slag

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VICEM goes for green

29 April 2022, Published under Cement News

Vietnam Cement Corp (VICEM) has used the COVID-19 period to increase its use of alternative fuels and waste raw materials. ICR highlights Tai Nguyen and Moi Truong's recent report on the projects that have seen the Vietnamese cement company reduce its production costs and its CO2 emissions over the last three years. VICEM started testing the treatment of ordinary industrial waste as an alternative fuel from the end of 2019. Since 2020 the company has treated waste, mainly from the leather...

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 ...

Cemex and Carbon Upcycling to increase industrial waste use

04 November 2020, Published under Cement News

Cemex SAB de CV has signed an agreement with Carbon Upcycling Technologies to improve processing of residue or byproducts from industrial processes and to capture CO 2 to produce nanomaterials and low-CO 2 concretes. Cemex Ventures will work with Carbon Upcycling Technologies  to increase the 3Mta of industrial residue that Cemex uses for cement and concrete additions, and therefore reduce the volumes being sent to landfill. The initiative will increase the reactivity of industria...

Portland cement, lime and alkali-activated binders

15 May 2019, Published under Cement News

Following on from last month’s discussion regarding the production of alternatives to Portland cement clinker, Arthur Harrisson takes a closer look at alkali-activated binders. Fly ash needs to be activated to produce an effective binder In a recent article 1 about the production of alternatives to Portland cement clinker, in the discussion of the preferred options of Gartner and Sui 2 , mention was made of alkali-activated binders, which were considered worthy of a paper of th...

Cement companies purchased 0.3Mt of fly ash from Endesa power station

02 April 2019, Published under Cement News

UK and North American cement companies as well as the nearby LafargeHolcim plant have bought some 0.3Mt of fly ash from the Endesa power station in Carboneras, Spain, in 2018. The fly ash is shipped to overseas customers from the port of Endesa Pucarsa. In addition, Endesa has also sold 30,000t of slag and 60,000t of gypsum from its lime plant.

New slag cement grinding unit to be set up in Houston

28 March 2019, Published under Cement News

Charah ® Solutions Inc has announced that it will use its patented grinding technology in a new facility to grind granulated blast furnace slag (GBFS) for supplementary cementitious materials. The unit will be located at Watco's Greens Port Industrial Terminal (GPIT) on the Houston ship channel and is expected to be operational in the 3Q19. "As one of the leading fly ash sales and marketing companies in the country, we are excited to open this facility that will increase access to high-qu...

Future grinding alternatives

23 July 2018, Published under Cement News

Grinding technology in the cement industry has developed considerably since Loesche’s early days at the start of the 20th century. The past three decades have seen this process only accelerate as cement producers required ever-increasing throughputs in their grinding processes. In an interview with ICR, Loesche’s CEO, Rüdiger Zerbe, tracks the past and charts the future of grinding technology in the cement sector. Rüdiger Zerbe, CEO of Loesche GmbH “First of all, a warm welcome ...

Tata Steel launches branded LD slag product for clinker making

19 January 2018, Published under Cement News

Tata Steel has launched two new products, Tata Aggreto and Tata Nirman, India's first branded Linz-Donawitz (LD) slag products for applications in road, fly ash brick and clinker making. This is the first foray by any domestic steel major in branding processed steel slag. Speaking on the launch of the brands, T V Narendran, CEO & MD, Tata Steel, said: "We at Tata Steel are extremely happy to have launched Tata Aggreto and Tata Nirman, which are designed to create value for customers, end u...

Apeco slag conveyor system is installed at Swedish cement plant

22 November 2017, Published under Cement News

Apeco has successfully completed a slag conveyor system project at the Cementa cement plant in Slite, Gotland, Sweden. The supplied conveyors were installed on a hill with limited bearing points, and are capable of transporting sand or slag at a rate of 600tph. Within the framework of the project, Apeco delivered two belt conveyors with different transshipment chutes and flap-valves to the client. The supplier also carried out a comprehensive rebuilding of the transshipment building. ...

KSI opens slag grinding plant

04 September 2017, Published under Cement News

PT Krakatau Semen Indonesia (KSI), a joint venture between state-owned steel maker PT Krakatau Steel and state-owned cement maker PT Semen Indonesia, has opened a new slag grinding plant. Located on a 4ha plot in Cilegon, Banten, Indonesia, the IDR420bn (US$31.4m) project saw construction start in 2014. The grinding plant has a production capacity of 690,000tpa of ground granulated blastfurnace slag (GGBS) that will be used in cement manufacture. "GGBS is a more stable product that can...