Cement News tagged under: Alternative raw materials

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Vicat enters EUR1.3m ARM venture with Serpol

11 January 2018, Published under Cement News

Vicat and Serpol have entered a EUR1.3m joint venture, Terenvie, to treat oil-polluted soil and turn it to cleaned, mineral-rich land. This source of silica or clay can then be used as “a partial replacement (five per cent) of quarry materials, to save natural resources without impacting the quality of the cement, perfectly standardised,” said Stéphane Rutkowski, manager at Vicat. Earthworks produce around 5Mta of oil-polluted soil at the sites of former service stations, oil depots or ac...

Cementos Argos sets up waste recycling company

11 December 2017, Published under Cement News

Colombian cement producer Cementos Argos announced the creation of Granulados Reciclados de Colombia, a company that will recycle construction waste into aggregates, bases and subbases. The new firm will operate from Argos' Cota plant in Cundinamarca and will process up to 200tph of waste into wood, metal, plastic and stone as well as up to 1Mta of construction waste.

New cement type from olive stone ash and blastfurnace slag

14 November 2017, Published under Cement News

Researchers in Spain and Brazil have developed a new type of cement manufactured from olive stone ash and blastfurnace slag as a more sustainable alternative to currently-produced cements. The new cement has been created by researchers from the Universitat Politècnica de València (UPV) and the Universidade Estadual Paulista (UNESP) of Brazil, according to UPV sources. Dr Jordi Payá, researcher at the Institute of Science and Technology of Concrete (ICITECH) of the UPV, says that this n...

Spain's cement industry in drive to reduce CO2 emissions 80% by 2050

18 October 2017, Published under Cement News

According to a new report by Oficemen, the Spanish cement industry is undertaking steps to reduce its CO2 emissions by 80 per cent by 2050 when compared with 1990 as base year. In its “Roadmap of the Spanish cement industry for the reduction of carbon emissions by 2050”. Conventional means such as increased energy efficiency and co-processing will enable the sector to reduce its CO2 footprint by 35 per cent compared to the base year. The roadmap foresees improvements in thermal efficiency ...

Cemex participates in cross-sector EPOS project

15 September 2017, Published under Cement News

Cemex is participating in the European Union supported EPOS project designed to foster cross-sector industrial symbiosis. The project will highlight case studies exemplifying ways for companies to use wastes from other industries to deliver greater efficiency, save raw materials and contribute to more sustainable processes. Cemex’s South Ferriby cement plant in the UK has already worked with the UK-based INEOS chemical company, to determine how waste from INEOS’s production could be used ...

SPL: lessons learned

26 September 2016, Published under Cement News

Spent pot lining (SPL) generated by the aluminium industry forms an important alternative source of fuel and raw material for the cement industry. However, its use presents certain challenges in terms of the cement production process and final product quality. By Dr Kåre Helge Karstensen, Foundation for Scientific and Industrial Research (SINTEF), Norway. With a worldwide generation of around 1.45Mta, SPL provides a significant resource for the cement industry The worldwide prod...

United States: Sunrise reports progress on Pozz Ash project

16 August 2016, Published under Cement News

Sunrise Resources has said that it has made “positive progress” in the development of its natural pozzolan Pozz Ash cement, Proactive Investors reports. Based on preliminary results from a concrete producer testing the product, Sunrise has concluded that Pozz Ash has good commercial potential providing the cement’s clay content can be reduced. 

The SEACON project

01 June 2016, Published under Cement News

The SEACON project is a new research initiative into the production of an innovative concrete, containing high-chloride constituents (ie, cement, water and aggregates) in combination with non-corrosive reinforcement. This paper shows goals and preliminary results of one of its work packages. By Federica Bertola, Fulvio Canonico and Manuela Bianchi, Buzzi Unicem, Italy, and Antonio Nanni, University of Miami, USA. Figure 1: partners and collaborators of the SEACON project The SEA...

Co-processing – here to stay

16 December 2015, Published under Cement News

Co-processing is a major topic for this edition of ICR and, of course, an increasingly major theme for the world cement industry. One of the roles of the Technical Forum is to explain the technology and terminology deployed in the cement manufacturing industry, so this month we will take co-processing as our topic. Co-processing enables further use of waste products such as tyres, avoiding landfill or dumping What do we mean by ‘co-processing’ in the cement industry? Essentially...

Out of aluminium waste

23 February 2015, Published under Cement News

To reduce natural raw material use, the cement industry is increasingly considering byproducts from other industrial processes such as spent pot liners supplied by the aluminium industry. However, these often need to be refined to adapt them to the demands of the end-product. By Dr Yves C Zimmermann, Regain Services Pty Ltd, Australia. Figure 1: molar alkali-sulphur balance in Portland cement clinker Refined byproducts derived from the primary aluminium industry’s spent pot lini...