Cement News tagged under: carbon reduction

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Efficient grinding meets reduced CO2 emissions

12 August 2019, Published under Cement News

While cement plants have made sound progress in terms of reducing CO 2 emissions from fuel consumption, progress relating to such emissions from electricity consumption has been slower. VDZ looks at a key power consumer in the modern cement plant: the grinding section. By Jonas Knappert, Kevin Treiber and Stefan Seemann, VDZ, Germany. Figure 1: electrical energy consumption of the cement manufacturing processes 1 Cement production is energy intensive in terms of fuel and elect...

HeidelbergCement: strong builder of carbon neutrality

15 July 2019, Published under Cement News

HeidelbergCement recently announced its intent to become a carbon-neutral cement producer by 2050. To achieve this ambitious objective, the company has not only developed its Vision 2050 programme but has also formulated a strategy and operational portfolio to match its aspirations. By Jan Theulen, HeidelbergCement, Germany. Figure 1: HeidelbergCement’s Vision 2050 is key to the company’s goal of achieving carbon neutrality by 2050 Society at global, regional and national levels...

thyssenkrupp Group sets carbon neutral target of 2050

04 July 2019, Published under Cement News

thyssenKrupp Group aims to be carbon neutral by 2050, and to have cut emissions from production and outsourced energy by 30 per cent as early as by 2030. This means emissions from thyssenkrupp products have to fall by 16 per cent by 2030. "The threats posed by climate change affect us all. As an industrial company with operations around the globe we are in a particularly god position to reduce greenhouse gas emissions through sustainable products and processes. We take this responsibility v...

Leading from the front

18 March 2019, Published under Cement News

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 environment will need to fast-track to zero carbon. In India, the world’s second-biggest cement producer, three of the country’s major players – Dalmia Cement, Ambuja Cement and UltraTech Cement – are leading from the front. By Jennifer Gerholdt, We Mean Business. Improvi...

Alternative clinkers

11 March 2019, Published under Cement News

The drive to lower the carbon footprint of cement has led to the development of alternative cement clinkers to replace Portland cement clinker. Arthur Harrisson examines the potential of carbon reduction in four alternative clinker types, as proposed by Gartner and Sui. Belite in clinker Some years ago in ICR the possibilities for using alternatives to Portland cement clinker were discussed. 1 The particular cements examined were calcium aluminate cement (CAC), calcium sulphoal...

UltraTech joins EP100 energy-smart companies

11 September 2018, Published under Cement News

UltraTech Cement has joined the EP100, which is a global leadership initiative to bring energy-smart companies together. UltraTech believes that by joining the group it will double its energy productivity and reduce its carbon intensity. UltraTech aims to reduce its carbon emission by 25 per cent by 2021 from its 2005 baseline. Mr K K Maheshwari, managing director, UltraTech Cement Ltd said, "Our membership of EP100, we believe, will play a catalytic role in helping us accelerate towards do...

Ambuja Cement ranks highly in global CDP report

19 April 2018, Published under Cement News

India’s Ambuja Cements Ltd has been ranked as number two in the world in the latest report from the Carbon Disclosure Project (CDP). The report features 13 of the largest publicly-listed companies, which account for 15 per cent of global cement production, and highlights their business readiness for a low-carbon economy transition. "We are delighted with the CDP’s World ranking – and even more as we have topped in the Climate Governance & Strategy. In fact, CO2 emissions’ reduction is one ...

Improving ash quality

01 February 2016, Published under Cement News

As governments consider the reduction of power generation in coal-fired power stations for environmental reasons, this article looks at the impact of this measure on the supply of fly ash to the cement industry. However, in the short- to medium term the availability of fly ash seems to be robust as sufficient stocks appear present, either in landfills or in fly ash lagoons. Coal-fired power stations have long supplied fly ash to cement plants as an addition to Portland cement As...

Unlocking emission reduction potential

11 December 2015, Published under Cement News

As the world waits for the outcome of the COP21 talks in Paris, the cement industry has called for long-term policy certainty to unlock the industry's emissions reduction potential. The Cement Sustainability Initiative (CSI) earlier this week announced its aim to reduce CO2 emissions by clinker producers by 20-25 per cent by 2030, as part of a new plan launched on 8 December at the UN's Climate Change Conference (COP21). The Cement Action Plan forms part of the World Business Council for S...

Industry action on climate change

04 December 2015, Published under Cement News

World leaders gathered in Paris this week for critical talks on global warming at the UN COP21 climate change summit which, if a decisive agreement is reached, could drive climate change actions in the building industry. The COP21 conference, which began on Monday, aims to achieve a new ground-breaking binding international climate agreement with the objective of limiting global warming to below 2°C, believed to be the tipping point that results in catastrophic effects of climate change. T...