Cement News tagged under: environment

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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...

Tyres: going full circle

09 November 2017, Published under Cement News

Contributing to the circular economy, an innovative tyre-burning initiative at PPC’s De Hoek plant in the Western Cape, South Africa, has successfully demonstrated the viability of burning waste tyres as an alternative to coal in cement production. The project not only reduces coal usage and NOx emissions but also decreases landfill requirements for waste tyres, achieving a positive environmental impact. By Johan Vorster, PPC, South Africa. PPC De Hoek's location and the socio-ec...

The restoration revolution

20 September 2017, Published under Cement News

While current environmental legislation expects the extractive industry to restore its abandoned mining areas back to their former use, it often falls short of detailed steps to achieve this goal. In the last few years, Cemex has been developing a geomorphological approach to ecological restoration at three clay quarries in Spain. By José María Gómez Díaz, Cemex, Spain. Aurora, one of three clay quarries owned by Cemex in Campredó, Tarragona, Spain (October 2015) The days of ext...

A zero waste solution

16 August 2017, Published under Cement News

The development of new alternative fuel (AF) processing and handling technology has enabled cement producers to improve their fuel substitution rates while providing municipal and other authorities with a sustainable, zero-waste option in the disposal of municipal solid wastes (MSWs). By Dirk Lechtenberg, MVW Lechtenberg, Germany. Figure 1: typical process flow for processing MSW into RDF In the early days of alternative fuel (AF) use in the cement industry, well-defined, mainly...

Cooling down refrigerants...in the kiln

21 June 2017, Published under Cement News

The safe disposal of hydrofluorocarbons, present in end-of-service refrigerants, is key in helping to prevent excessive levels of global warming in the future. Cement kilns provide one way of dealing with these harmful substances. Successfully implemented in Japan for over three decades, other Asian countries such as India and Indonesia are now following. By Dr Vincent Aloysius, INSEE Ecocycle Co Ltd, Thailand. Cement kilns provide a safe method to dispose of hydrofluorocarbons ...

Sustainable Primavera

13 June 2017, Published under Cement News

The construction and operation of cement plants carry the potential to have a profound impact on the local environment and communities. However, with a strategic approach that considers a cement producer’s return on social investment, they can be a force for good, bringing mutual benefits for the company and these communities. By Álvaro Lorenz, Votorantim Cimentos, Brazil. In June 2017 Votorantim Cimentos will be celebrating its first year of operation at the 1.2Mta Primavera plant...

Canada's low-hanging fruit

23 May 2017, Published under Cement News

In the run-up to the IEEE-IAS/PCA Cement Industry Technical Conference in Calgary, Canada, Adam Auer discusses the use of low-carbon fuels in the domestic cement industry to meet Canada’s federal and provincial climate change targets. By Adam Auer, Cement Association of Canada, Canada. Over the last decade, Canada’s cement plants have averaged <10 per cent fuel substitution The substitution of traditional fossil fuels – mainly coal and petcoke – with lower carbon alternatives ...

Myanmar’s co-processing potential

15 May 2017, Published under Cement News

With cement demand anticipated to rise over the coming years and production capacity set to soar to more than 20Mta, Myanmar’s cement industry has significant potential for co-processing several types of waste in its kilns. By Dr Kåre Helge Karstensen and Palash Kumar Saha, SINTEF, Norway. Than Taw Myat Group, producers of Double Rhinos cement, recently commissioned its 5000tpd Kyaukse works in Mandalay. The facility is one of Myanmar’s newest dry-process plants One of the fa...

Effective mercury sorbents

12 April 2017, Published under Cement News

Activated carbon sorbent injection has enabled many cement plants to minimise mercury emissions from their operations. To ensure effective mercury control understanding the sorbent properties critical to mercury removal is key. B y John Satterfield, Cabot Norit Activated Carbon, USA. Figure 1: Plant A – fuel Hg content: 25-53ppb R educing mercury emissions by activated carbon sorbent injection (ACI) has been thoroughly demonstrated as a successful strategy at a growing n...

EU: cap on emissions windfall set at 2.2% per year

10 March 2017, Published under Cement News

The European Parliament and the Council (Environment Ministers) agreed on 28 February its negotiating position for the revision of the Emission Trading System (EU ETS), says Cembureau. According to the proposed directive, now due for deliberation in a trilogue of meetings. The cap on emissions will fall by 2.2 per cent a year – the so-called linear reduction factor – until at least 2024. This is expected to push up the cost of allowances and provide an incentive for industries to adopt cle...