Cement News tagged under: environment

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Burning used tyres

24 May 2018, Published under Cement News

One 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 optimisation

16 May 2018, Published under Cement News

Activated 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 words

20 April 2018, Published under Cement News

Climate 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 industry

28 March 2018, Published under Cement News

How 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 wealth

21 March 2018, Published under Cement News

Lafarge 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...

Playing its part in Paris

12 March 2018, Published under Cement News

In line with the UN’s Paris Agreement on climate change, HeidelbergCement has published its ‘Sustainability Commitments 2030’, which see the cement producer leading the development of carbon capture, utilisation and sequestration (CCUS) technologies for the cement industry. By Jan Theulen, HeidelbergCement, Germany. Figure 1: test facility for CCS at Brevik, Norway In November 2017 HeidelbergCement published its ‘Sustainability Commitments 2030’, reflecting the company’s environ...

Tanzania Portland Cement given ultimatum over dust emissions

08 March 2018, Published under Cement News

Tanzania Portland Cement Company Ltd (TPCCL) has been issued a two-month ultimatum from the government to improve its dust control or face a ban. The Deputy Minister of State in the Vice President's Office (Union and Environment), Alphaxard Kangi Lugola, said local residents in Dar es Salaam faced health concerns due to the dust emissions from the plant. "Having listened from both sides, I am now convinced that the dust problem is real. I am, therefore giving a two-month ultimatum for the ...

Turkey seeks alternatives

23 February 2018, Published under Cement News

The concept of a circular economy is growing in influence and as a result the cement production process has begun to evolve. As a large-scale cement producer, Turkey shows considerable potential for the adoption of this alternative economy.  Figure 1: the circular economy cycle Turkey has begun to adopt the concept of a circular economy, a waste-to-energy solution that is a high priority for European Union. The circular economy model is based on the principle that natural resour...

RDF production and utilisation in India

07 December 2017, Published under Cement News

The production of refuse-derived fuels (RDFs) from municipal solid waste (MSW) offers one solution to address the growing waste issue in countries with increasing populations such as India. At the same time, these RDFs enable the cement industry to substitute fossil fuels and reduce its CO2 emissions. By Palash Kumar Saha and Dr Kåre Helge Karstensen, SINTEF, Norway, and Kannan Vairavan and Vinoth Balakumar, CII-GBC, India. Input waste quality for RDF and compost production at Ramky E...

Insee Cement wins two green awards

16 November 2017, Published under Cement News

Insee Cement (Siam City Cement group) secured two prizes for fostering green production processes and a culture of environmental sustainability, at the Presidential Environmental Awards 2017. Insee Cement’s Ecocycle received a Bronze award in the solid waste management category and the Puttalam cement plant also was awarded the Bronze in the Chemical Industry Sector. Siam City Cement (Lanka) Ltd CEO, Nandana Ekanayake, said: "We are delighted that Insee has been recognised by the Centra...