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dc.contributor.authorQuerol Solà, Núria
dc.contributor.authorBarreneche Güerisoli, Camila
dc.contributor.authorCabeza, Luisa F.
dc.description.abstractAs a way to make pavements more economic, less polluting, and with lower energy consumption bitumen emulsions can be used. The formulation of bitumen emulsions is a complex task and they are usually produced using colloid mills. This method presents several limitations; the maximum bitumen concentration of the dispersed phase, 69%, being the most significant. The HIPR (High Internal Phase Ratio) method must be used for higher bitumen concentrations. With this second method, apart from it being possible to obtain concentrated emulsions, with a volume fraction higher than 70%, it is possible to control the distribution and average droplet diameter of the emulsion. This control is achieved by changing variables such as the volume fraction, the concentration and type of surfactant and the temperature of the dispersed phase, the type of bitumen used, and mechanical variables such as the rotational speed and time employed. The current study aims to review the state-of-the-art of the manufacture of bitumen in water emulsions, with a special emphasis on the concentrated bitumen emulsions manufactured following the HIPR method.
dc.description.sponsorshipThe authors would like to thank the Catalan Government for the quality accreditation given to their research group GREiA and DIOPMA (2017 SGR 1537 and 2017 SGR 118, respectively). GREA is certified agent TECNIO in the category of technology developers from the Government of Catalonia. Dr. Camila Barreneche would like to thank ACCIO for her Grant TecnioSpring Plus TECSPR17-1-0071. Núria Querol would like to specially thank Sorigue Company for giving her the opportunity to develop this research in the company.
dc.relation.isformatofVersió postprint del document publicat a:
dc.relation.ispartofConstruction and Building Materials, 2019, vol. 212, p. 19-26
dc.rightscc-by-nc-nd (c) Elsevier, 2019
dc.subjectBitumen emulsion
dc.subjectConventional method
dc.subjectHIPR method
dc.titleAsphalt emulsion formulation: State of the art of formulation, properties and results of HIPR emulsions

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cc-by-nc-nd (c) Elsevier, 2019
Except where otherwise noted, this item's license is described as cc-by-nc-nd (c) Elsevier, 2019