International Cement Review articles tagged under : Environment
Asia’s plastic potential
With the highest consumption of plastic in the world and representing two-thirds of global cement production, five Asian countries provide the opportunity to address the worldwide issue of non-recyclable plastic waste. By Dr Kåre Helge Karstensen, Palash Kumar Saha, Eirik Vigerust, Anneli Alatalo Paulsen, Dr Christian John Engelsen and Dr Mehdi Ahmadi, SINTEF, Norway. Collection of plas...
Arabian Cement’s positive energy
Following its response to Egypt’s 2014 energy crisis, Suez-based producer Arabian Cement Co (ACC) has become a pioneer in the field of industrial energy efficiency. Having made the switch from natural gas to solid fu...
Shree’s sustainable path
India’s cement industry has introduced several initiatives to place it on a path towards more sustainable cement production. Shree Cement highlights the actions it has taken to integrate sustainability into its cemen...
Streamlining the waste-to-energy chain
How can a cement plant operate more sustainably in ecological and economic terms? As part of its initiative for the green cement plant, thyssenkrupp Industrial Solutions recently launched polysius ® fuel substitutio...
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....
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 ...
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...
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
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...
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
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...
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...
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 ...
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 ...
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...
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...