Cemex has announced the results of investing in equipment and processes for the use of alternative fuels at its cement plants. Since 2005, US$175 million has been invested in using alternative fuels to feed cement kilns, resulting in an alternative fuel substitution rate of 25% in 2011. As a result, Cemex was able to cut CO2 emissions by 1.8 million t and avoid using 2 million t of coal in its plants. The company aims to achieve a 35% fuel substitution rate by 2015 and is currently on target to reach this goal.
There is no shortage of challenges when it comes to any cement silo cleanout project. Mole•Master Services Corporation was contracted to resolve a number of issues at a large cement producer in northeastern Missouri, US.