Cement News tagged under: environment

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Towards COP21

15 December 2015, Published under Cement News

Under the leadership of the UN Framework Convention for Climate Change (UNFCCC), member countries will negotiate a new international agreement on climate change at the COP21 meeting, to be held from 30 November until 11 December 2015 in Paris, France. For the cement industry, the meeting provides an opportunity to take stock, map the road ahead and prepare further action. Subject to successful negotiations at COP21, the new international agreement on climate change, which begins from...

Tourah’s bag filter switch

04 November 2015, Published under Cement News

The installation of correct dedusting equipment can greatly improve the operation of a cement plant, particularly after a change in production technology. Following a wet- to dry-process conversion at Suez Cement Co’s Tourah cement works in Egypt, the Italcementi group company replaced its ESPs with bag filters, leading to energy savings and longer filter service life. By OYK Consultants, Egypt. Suez Cement Group (Italcementi) replaced its ESP with a new bag filter at the Tourah cemen...

Going the alternative route

14 October 2015, Published under Cement News

Negeri Sembilan Cement Industries Sdn Bhd, part of Cement Industries of Malaysia (CIMA), has installed an alternative fuel system at its Bahau cement works in cooperation with Taiheiyo Engineering Corp. Alternative fuels used at the plant include waste tyres, carbon black and waste from the palm oil extraction industry. To find the optimal alternative fuel mix, two different combinations were tested, and the results have proven to lower coal usage at the Malaysia-based works. By Taiheiyo Eng...

A truly circular economy

14 September 2015, Published under Cement News

With the circular economy as one of the EU’s current political priorities, European cement association Cembureau puts forward its views on the solutions which the cement industry can provide and how policy should be formulated to ensure that Europe encourages the best economic, environmental and social solutions at its disposal. By Cembureau, Belgium. The European Commission is currently working on a ‘new and improved’ circular economy package for Europe. Already in July 2014, the previou...

Harnessing CO2

19 August 2015, Published under Cement News

The worldwide anthropogenic emissions of CO2 in 2013 were estimated at 37Gt, according to the IPCC and IEA, including the cement industry’s contribution of 2-2.5Gta, ie 5.5-6.5 per cent of the world total. Therefore, it is key that the cement industry develops new products and technologies that mitigate its CO2 emissions. Over the last nine years, Lafarge has been leading or participating in this initiative. The need to mitigate CO2 emissions drives the cement industry to develop new ...

India: pollution draws protesters onto streets in Khrew

28 July 2015, Published under Cement News

Demanding an end to pollution from cement factories and illegal mining in the area, hundreds of residents of Khrew in Pulwama district protested and held a strike for a third consecutive day. The residents took to streets and staged a sit-in on the main road near the cement factories. They protested against the factory owners and demanded installation of pollution control devices. They were also demanding end to illegal mining and deforestation near the factories. “There are seven cement...

Composite matters

06 July 2015, Published under Cement News

As a new waste law that prohibits the dumping of glass fibre-reinforced composite waste comes into force in Finland in 2016, waste producers are considering alternative waste disposal options. One solution is to co-process this material in cement kilns. Via its LUMI-project, Ketek of Finland carried out research into the viability of this proposal. By Pekka Erkkilä, Technology Centre Ketek Ltd, Finland. Typical composite waste from boat production Options to recycle glass fibre-...

Challenges and opportunities

29 June 2015, Published under Cement News

With limited fossil fuel reserves suitable for cement production, India is seeking to increase its use of alternative fuels. In this undertaking, the country faces significant and wide-ranging challenges. However, the past few years have seen varied opportunities open up for cement producers to improve their substitution rates. Figure 1: major concentrations of cement plants in India The Indian subcontinent presents its cement producers with a unique combination of challenges. T...

CO2 mineralisation

22 April 2015, Published under Cement News

The mineralisation of carbon dioxide (CO2) can provide significant environmental benefits in a world where climate change is at the top of the agenda. For the cement industry, it is an option to lower that carbon footprint and supply an aggregate replacement to the concrete sector. This article explains the benefits and challenges faced by industry to turn CO2 mineralisation into a viable option. By John & Charles Kline, Kline Consulting LLC, USA. Figure 1: relative abundance of eleme...

Carbon trading – state of play

09 March 2015, Published under Cement News

Low prices and generous free allowances have meant that the cement and lime industry has been relatively unfazed by the European Emissions Trading Scheme (EU ETS). Is this about to change? By Philipp Ruf, ICIS Tschach Solutions, UK. Figure 1: post-2013 carbon price development in terms of EUA price Go around the table at the board meeting of many cement and lime producers, and ask about their strategy for dealing with the European Emissions Trading Scheme (EU ETS). You’ll likely...