Quarry efficiency Premium
The quarry is often an undervalued and overlooked aspect of cement manufacture. However, the quarry is where it all begins as the quality of the cement starts here. With the rig...
Quarry
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Supporting the load Premium
Operating in Georgia since 2007, HeidelbergCement has seen its cement and concrete operations expand and work volumes grow. To help keep pace with its 24/7 production schedule a...
Deuna Zement signs agreement on Duen quarry
Contrary to the original plans, Germany-based producer Deuna Zement will now not quarry limestone from the 100m-wide strip of woods in Duen. This compromise and further concessi...
Dealing with natural variation Premium
The variability in deposition environment and the depth of its location in the quarry mean that limestones show significant variation at different places. For the cement produce...
UK: Cemex quarry expansion gets go-ahead despite opposition
Cemex UK faces opposition to its plans to extend its Hyndford Quarry into a zone surrounding New Lanark, near the picturesque Falls of Clyde, Scotland. Campaigners opposed to pl...
ACC: ready for the upturn Premium
As the housing market continues to exercise drag on Florida’s economy, the state’s cement market continues to lag the rest of the US. However, with pent-up demand continuing to ...
Optimising Sila Sanon's quarry Premium
Quarry owner Busitarnuntakul of Thailand employs a primary cone crusher together with Sandvik’s QI340 tracked impact crusher to process its limestone into accurate-sized materia...
Protecting biodiversity Premium
Quarrying limestone for cement can result in global extinctions of little-known biodiversity if appropriate surveys are not undertaken prior to the quarry opening and if impact ...
The different guises of quality Premium
The quarry needs to meet the demands for high-quality material, taking into account the requirements of various plant personnel What does a cement plant want from a quarry? The ...
Rock solid support Premium
Dr Clark ponders the reasons for renewed interest in the quarry chemistry control and decision support system first presented in the February 2002 edition of International Cemen...