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Comment Environment, Health, Safety & Security

Cold asphalting

By Chemical Engineering |

Researchers from the Physics of Fluids and Biocolloids group at the University of Granada (Spain; edlinks.chemengonline.com/6516-549) are developing a system in which bitumen emulsifies at room temperature, which facilitates transport and allows cold application. Because the bitumen does not need to be heated, cold asphalting saves energy, reduces pollution and improves working conditions, says physics professor Roque Hidalgo. The researchers, with support from Repsol YPF (Madrid, Spain), have developed technology to measure and control how long the emulsion is stable.  
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