Sustainable Construction


Secondary Liquid Fuel (SLF) is made from industrial liquid wastes that can’t be recycled, such as paint thinners, inks and varnishes.

These are blended to a strict specification producing a smell similar to paint and a look similar to engine oil.

Every year the UK generates large volumes of industrial liquid wastes that are non-recyclable and disposed of in specialist landfills or incinerated without energy recovery. By using SLF CEMEX recovers energy from waste that would otherwise be lost to landfill.

The use of SLF does not affect emissions or air quality and has been tried and tested in cement kilns in the UK, Austria, Belgium, France, Greece, Italy, Sweden, Switzerland, Chile and the US.  SLF also helps CEMEX tackle rising energy costs, lowers greenhouse gas emissions and make fossil fuels last longer to benefit future generations.

SLF has been used successfully at CEMEX’s cement plant in South Ferriby since 2002, where it has reduced emissions of sulphur dioxide and oxides of nitrogen by 15% compared to using fossil fuels alone.

Alternative Fuels and CEMEX

The use of alternative fuels to replace traditional fossil fuels is a key pillar of our carbon strategy as it contributes to significantly reduce our overall CO2 emissions.  View

Building a better Future

There's more to us than meets the eye.  View

CEMEX - Building a sustainable future

At CEMEX we have developed a sustainability model that is embedded in our business strategy and day-to-day operations. Learn more and see examples of how we lead our industry by building a sustainable future, today.  View

Sublime Nature

CEMEX Nature Book Series: “Sublime Nature: Photographs that Awe and Inspire”  View

Building the Future
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