Case

Cutting emissions and reducing energy and water use pays off for English limestone quarry

In 2004, FLSmidth built a turnkey production line for Buxton Lime Industries, in Derbyshire, England. Thanks to the new line, the Tunstead plant was immediately able to cut their energy consumption by 40%, their particulate emissions by 90%, sulphur oxides by 70% and nitrogen oxides by 10% – even though the new production line was a full 3 times larger than the original plant. The 2,300 tonnes-per-day plant even managed to dramatically reduce its cooling water requirements.

At every stage of their development, an improved environmental profile has gone hand in hand with an improved economic profile.

The recent installation of a next-generation Duoflex G2 burner, which combines simplified maintenance and even greater alternative fuel flexibility, is the Buxton plant’s latest initiative. According to Simon Buxton, with the new Duoflex G2 burner installed, Buxton Lime Industries can burn up to 22,000 tonnes of tyre chips and 22,000 tonnes of bone and meat meal per year, which not only reduces their consumption of fossil fuels, but also keeps these potentially hazardous waste products out of landfills.

Buxton Lime Industries are also focused on protecting their close relationship with area residents. That’s why they host a quarry liaison meeting every six months, fund stone wall building programmes (the walls are used to parcel land for sheep), and contribute funding for the refurbishment of village halls. They also host open days, the last one attracting more than 1,700 local people.

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FLSmidth & Co.
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