Cement News tagged under: environment

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Streamlining China’s cement industry

17 September 2018, Published under Cement News

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 available to the industry to achieve the plan’s targets by 2020. By Chen Yourong, South Cement Co Ltd/CNBM Group, China. China’s policy makers have set ambitious targets to lower the domestic cement industry’s energy intensity and emissions to the atmosphere by 2020 ...

Latin America goes low-carbon

03 September 2018, Published under Cement News

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 Cement Federation (FICEM) has developed a regional roadmap towards a low-carbon economy, “Hoja de Ruta CO 2 ”. By Interamerican Cement Federation – FICEM, Colombia. The control panel of FICEM’s Calculator 2.0 FICEM’s Roadmap “Towards a Low- Carbon Economy” is the result...

Water as a valued resource

22 August 2018, Published under Cement News

While seen as a common and “free” resource, this approach to water often leads to wasteful use of this source of natural wealth. Therefore, quantifying and calculating the cost of its use is the first step to truly valuing it. Cementos Argos explains its approach and the cost savings this enables the company to make. By Cementos Argos, Colombia. Conserving water resources in the area surrounding Cementos Argos’ Toluviejo plant, Colombia Water is an essential resource for human a...

Bringing on the substitutes

18 July 2018, Published under Cement News

As part of its drive to reduce its CO 2 emissions, Votorantim Cimentos is using a range of clinker substitutes to lower its clinker-to-cement ratio. As a result, around 86 per cent of its product portfolio in Brazil has a reduced carbon footprint, lowering its impact on the environment. By Silvia R S S Vieira, Votorantim Cimentos, Brazil. The use of substitute materials such as acidic slags (pictured: maganese slag) and calcined clay is key to reducing a cement plant’s carbon foot...

Vietnamese authorities enforce environmental control

18 July 2018, Published under Cement News

Authorities in Quang Ngai province, Vietnam, have threatened to shut down a plant in Binh Dong Commune if its management does not improve air quality and dust emissions, according to Viet Nam News. The 0.5Mta facility began operations in 2012 and received upgrades in 2015 but is still reportedly affecting local villagers. The provincial chairman, Tran Ngoc Cang, said the province wanted to relocate 427 households living near the plant, but needed VND989bn (US$44m) for the plans. The provinc...

LC3: a promising alternative

16 July 2018, Published under Cement News

The drive for a sustainable construction industry has triggered the development of a range of building materials that serve as sustainable alternatives to Portland cement. The development of limestone calcined clay cements (LC 3 ) offers a glimpse into the future of building materials. By Karen Scrivener, Franco Zunino, François Avet and Wilasinee Hangpongpun, EPFL STI IMX LMC, Switzerland, and Anne Dekeukelaere and Laurent Grimmeissen, Cementis Consulting, Switzerland. Figure 1: SE m...

Sustainability 2050

09 July 2018, Published under Cement News

Since its inception 20 years ago, the Cement Sustainability Initiative (CSI) has proactively identified, analysed and managed the key issues at stake for the sector. By developing global Key Performance Indicators (KPIs), common reporting methodologies and guidance documents, the CSI has enabled the global cement industry to rapidly enhance its sustainability performance. In this report, the CSI presents the revised 2018 technology roadmap setting out an action plan for the industry to 2050....

Extending quarry life

18 June 2018, Published under Cement News

Although a key part of the cement plant, the quarry has a finite lifetime. Its longevity often depends on which material grades are required and how the faces are worked to quarry such materials. Therefore, a well-designed quarry plan can help extend the life of this valuable asset. By Fabio Coletta, Whitehopleman, UK. Figure 1: as a first step in extending quarry life, a suitable raw mix needs to be defined The life of a cement plant quarry is limited in time but can be extende...

Hanson surpasses 2020 sustainability targets

07 June 2018, Published under Cement News

Hanson UK's latest sustainability report announces that the company has passed its 2020 targets for reducing both mains water use and waste to landfill while CO 2 emissions per tonne of product have fallen by 7.2 per cent to reach the lowest level for five years. The number of lost time injuries remained static at 21, but the frequency rate was down on the prior year and there was a three-month unbroken spell without a lost time injury. A major development during the year was the launc...

Clinker transport causes pollution in Fiji

05 June 2018, Published under Cement News

Pacific Cement Ltd (PCL) has been accused of clinker dust pollution by local residents in the settlement of Kalekana, in Fiji. Clinker is transported daily by truck to its factory and conditions are becoming intolerable for local residents outside Lami. General manager of Pacific Cement Ltd, Sowani Tuidrola confirmed the clinker belonged to PCL, but the transportation of the product was the responsibility of Williams & Gosling Ltd, which itself is contracted by MY Transport Co Ltd. Aiyub...