Cement News tagged under: environment
LC3: a promising alternative16 July 2018, Published under Cement NewsThe drive for a sustainable construction industry has triggered the development of a range of building materials that serve as sustainable alternatives to Portland cement. The development of limestone calcined clay cements (LC 3 ) offers a glimpse into the future of building materials. By Karen Scrivener, Franco Zunino, François Avet and Wilasinee Hangpongpun, EPFL STI IMX LMC, Switzerland, and Anne Dekeukelaere and Laurent Grimmeissen, Cementis Consulting, Switzerland. Figure 1: SE m... |
Sustainability 205009 July 2018, Published under Cement NewsSince its inception 20 years ago, the Cement Sustainability Initiative (CSI) has proactively identified, analysed and managed the key issues at stake for the sector. By developing global Key Performance Indicators (KPIs), common reporting methodologies and guidance documents, the CSI has enabled the global cement industry to rapidly enhance its sustainability performance. In this report, the CSI presents the revised 2018 technology roadmap setting out an action plan for the industry to 2050.... |
Extending quarry life18 June 2018, Published under Cement NewsAlthough a key part of the cement plant, the quarry has a finite lifetime. Its longevity often depends on which material grades are required and how the faces are worked to quarry such materials. Therefore, a well-designed quarry plan can help extend the life of this valuable asset. By Fabio Coletta, Whitehopleman, UK. Figure 1: as a first step in extending quarry life, a suitable raw mix needs to be defined The life of a cement plant quarry is limited in time but can be extende... |
Hanson surpasses 2020 sustainability targets07 June 2018, Published under Cement NewsHanson UK's latest sustainability report announces that the company has passed its 2020 targets for reducing both mains water use and waste to landfill while CO 2 emissions per tonne of product have fallen by 7.2 per cent to reach the lowest level for five years. The number of lost time injuries remained static at 21, but the frequency rate was down on the prior year and there was a three-month unbroken spell without a lost time injury. A major development during the year was the launc... |
Clinker transport causes pollution in Fiji05 June 2018, Published under Cement NewsPacific Cement Ltd (PCL) has been accused of clinker dust pollution by local residents in the settlement of Kalekana, in Fiji. Clinker is transported daily by truck to its factory and conditions are becoming intolerable for local residents outside Lami. General manager of Pacific Cement Ltd, Sowani Tuidrola confirmed the clinker belonged to PCL, but the transportation of the product was the responsibility of Williams & Gosling Ltd, which itself is contracted by MY Transport Co Ltd. Aiyub... |
Burning used tyres24 May 2018, Published under Cement NewsOne way of reducing the fossil fuel requirement in clinker production is through the use of alternative fuels (AFs). Walter Materials handling, part of the ATS Group, looks at one plant that has invested in the burning of end-of-life tyres to reduce its thermal energy costs, lower its CO 2 emissions and tackle tyre disposal issues. By Basri Ogut, Walter Materials handling, France. LafargeHolcim invested in an end-of-life tyre project at its Martres-Tolosane plant in France ... |
Mercury capture optimisation16 May 2018, Published under Cement NewsActivated carbon injection (ACI) has been an effective approach for reducing mercury emissions in various industries. The US power industry, for example, began implementation of ACI around 2014 with the onset of the Mercury Air Toxic Standards (MATS) which regulate the emissions of mercury and acid gases from coal-fired power plants. The lessons learnt from the power sector provide useful reading for the cement industry. By Erica Gonzaga, Carbonxt Group Ltd, USA. Spray dryer absorber ... |
Actions not words20 April 2018, Published under Cement NewsClimate change is one of the key issues of our time, but the world is far from achieving the objectives of the Paris Agreement. Like every energy and CO2-intensive sector, the global cement industry is at a crossroads. The solution will require mapping out and implementing a tangible plan of action if we are to have any chance of accelerating the pace of decarbonisation. By Bernard Mathieu, World Cement Association, UK. Figure 1: the global risks landscape 2018 According to the ... |
Changing world, changing industry28 March 2018, Published under Cement NewsHow much influence do modern-day global trends such as climate change, shifting economic power and urbanisation exert on the cement sector? This article looks at several key megatrends and their impact on decisions for the cement industry of the future. By Dr Adrian Vaida, independent researcher, Australia. In today’s rapidly-changing world the cement industry must adapt its practices and products to successfully navigate the challenges and opportunities ahead Business in gen... |
Waste to wealth21 March 2018, Published under Cement NewsLafarge Africa’s Ewekoro plant, some 50km north of Lagos, in Ogun state, Nigeria, pioneered the use of alternative fuels in the country. The company charts the milestones and looks at the future challenges in transforming biomass waste to a source of wealth for the company and local communities. By Abdel-Ileh Chouar, Lafarge Africa, Nigeria. A truck delivers biomass to Lafarge Africa’s Ewekoro plant, Nigeria In 1995, one of the projects carried out by Segun Shoyoye, a young, new... |