Cement News tagged under: environment

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The US AF evolution

09 May 2016, Published under Cement News

While alternative fuel use in the USA has risen at a significantly lower rate than its European counterpart, the increasing awareness and support for circular economy principles and alternative ways of disposing of various types of waste are resulting in an important change. This enables an increased flow of alternative fuels to the cement industry and generates a call for high-quality process engineered fuel. By Evolution Environmental Group, USA. Figure 1: linear vs circular economy...

Colombia: Cementos Argos will process 2.5m tyres at its Bogotá plant

13 April 2016, Published under Cement News

Following an agreement with the local government of Bogotá, Colombian cement manufacturer Cementos Argos will recycle 2.5m used car tyres to fuel its cement production. According to the president of Cementos Argos, Juan Esteban Calle, the company's Planta Rioclaro factory is capable of processing 20,000tpa of tyres, which amounts to 1.5m units. Calle also added that Cementos Argos is willing to handle 65 per cent of this type of waste management in Colombia, which not only provides en...

WHR in island mode

14 March 2016, Published under Cement News

Turkey-based Aslan Çimento AS has commissioned a 7.5MWe waste heat recovery (WHR) project designed to operate in ‘island mode’ to ensure continuous clinker production irrespective of fluctuations in supply from the national grid. By Ilyas Kabayel, Aslan Çimento AS, Turkey. Figure 1: waste heat recovery system in a cement plant New suspension preheater (NSP) kilns include multi-stage preheaters and precalciners to preprocess raw materials before they enter the kiln, as well as an...

Votorantim to invest in Spanish plant

04 February 2016, Published under Cement News

Votorantim Cimentos will invest EUR1.7m in the Toral de los Vados cement plant of its Spanish subsidiary Cementos Cosmos. The investment will fund environmental improvements as well as health and safety initiatives. Last year the Brazilian major invested around EUR1.8m in the modernisation of the facilities despite the works seeing clinker production fall by 10 per cent with further declines expected for this year. Votorantim attributed the 2015 drop due to a decrease in exports. “Our lac...

Particulate matter in the bag

04 January 2016, Published under Cement News

With air emissions regulations becoming stricter in many parts of the world and policy makers considering the adoption of increasingly tighter legislation, cement producers need to re-evaluate their air pollution control systems to ensure compliance. The latest generation baghouses have proven to limit harmful particulate matter (PM) emissions and seek to address such pollution control concerns. By José Miguel Angolemme, Redecam Group, Italy. The latest-generation baghouses contain fi...

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...

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...