Cement News tagged under: environment

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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...

California’s changing climate

23 May 2016, Published under Cement News

The US state of California has long been a frontrunner in the development of legislation to curb CO2 emissions and climate change. This article explains the Golden State’s regulatory approach and gives it a regional and global context. By Stephen J Orava and Clinton R Long, King & Spalding, USA. California has an extensive approach when dealing with GHG gases in the cement industry As the eighth largest economy in the world, the US state of California has emerged as an important...

Sri Lanka: Holcim Lanka inaugurates new transport model

11 May 2016, Published under Cement News

LafargeHolcim subsidiary Holcim Lanka has begun operations of a new ship-to-rail road hybrid model for the transportation of its raw materials. The state railway will transport Holcim cement related raw materials by rail from the Eastern port of Trincomalee to the Mahawa railway station where the company's dedicated trucks will then transport the materials to the Puttalam Cement Works Plant. Holcim Lanka Procurement and Logistics Director, Charith Wijendra, said: "It is critical we pro...

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...