International Cement Review articles tagged under : Environment

15 October 2019

Ocean plastic: an opportunity in the circular economy?

Initiatives are under way to address the global issue of plastics litter in the oceans. Norway’s SINTEF highlights the use of co-processing in the Ocean Plastic Turned into an Opportunity in Circular Economy project. By Dr Kåre Helge Karstensen, Palash Kumar Saha, Eirik Vigerust, Anneli Alatalo Paulsen, Dr Christian John Engelsen and Dr Mehdi Ahmadi, Foundation for Scientific and Industrial Re...

14 October 2019

Lowering the temperature

Clinker production is a high-temperature combustion process that generates nitrogen oxides (NO x ), one of the most significant kiln emissions. To reduce these emissions, selective catalytic reduction (SCR) has been ...

11 July 2019

Decarbonisation quick wins

Different world regions present different challenges to the cement industry. While in the fast-growing economies of Asia and Africa building capacity and security of supply are key, cement plant operations in other r...

25 June 2019

Bringing an old quarry to life

Quarry rehabilitation comprises more than just the planting of different varieties of trees on land no longer used. Cimenterie Nationale’s rehabilitation project in Lebanon also includes the country’s first green bel...

Caracolito’s cleaner air 24 June 2019

Caracolito’s cleaner air

The replacement of the electrostatic precipitator with a bag filter at Cemex’s Caracolito plant in Colombia has had a positive impact on the company’s emissions indicators as well as the local environment and neighbo...

11 June 2019

Plugging the plastic leakage

The issue of post-consumer plastic leaking into the ocean with devastating consequences on marine life has existed for some time but only recently the rallying call to solve this issue appears to have been firmly hea...

Leading from the front 21 March 2019

Leading from the front

Following last year’s IPCC report on climate change, there has never been a greater urgency to reduce greenhouse gas emissions across all sectors and geographies to limit global warming to 1.5˚C. Therefore, the built...

25 February 2019

Cementi Rossi’s ORC solution

Organic Rankine Cycle (ORC) technology for waste heat recovery is a widely-proven technology for cement factories. A new tailored, turnkey ORC unit for Italian producer Cementi Rossi will feed about 30 per cent of it...

12 February 2019

The benefits of paper

A comparative study by the Swedish research institute RISE on behalf of the European Paper Sack Research Group (ESG) has found that the carbon footprint of paper cement sacks is 2.5 times lower than the footprint of ...

14 January 2019

Finding a different kind of gold

While coal had been the mainstay of PPC’s energy sources for decades, the company’s current energy policy has called for a steady replacement of the black gold with more sustainable energy sources. This provided the ...

13 December 2018

Durability of composite cements with calcined clay

Composite cements are clinker efficient and play an important role in reducing CO 2 emissions from cement manufacturing. To assure their correct application in concrete, their performance in concrete has to be demon...

27 November 2018

Achieving AF and NOx goals

With reducing fuel costs and sustainability in mind, Brazilian producer Cimento Nacional is persistently striving to implement innovative methods to increase alternative fuels (AF) utilisation while reducing emission...

24 October 2018

Thinking outside the bag

Tailoring its products around its bagging and packaging is just one of the ways in which Cementos Argos is driving innovation in the cement industry, while also focussing on efficiency and the environment. By Cemento...

26 September 2018

From waste to co-processing

The route from the waste collection point to co-processing in a cement kiln is not without its challenges and too often, the thermal potential of waste as an alternative fuel in cement production is insufficiently un...

17 September 2018

Streamlining China’s cement industry

With China’s cement industry due to reduce its energy use and emissions to levels set out in the country’s 13th Five-Year Plan, South Cement’s Vice Chief Engineer, Chen Yourong, looks at the technological options ava...

03 September 2018

Latin America goes low-carbon

Recent months have seen significant progress in the move towards a low-carbon cement industry in Latin America. Building on the Cement Sustainability Initiative’s 2009 Cement Technology Roadmap, the Interamerican Cem...