Helena Passos

Ionic liquid solutions as extractive solvents for value-added compounds from biomass

Helena Passos, Mara G. Freire, João A. P. Coutinho · Green Chemistry · 2014 · 412 citations

Natural Sciences, Biochemistry, Chemistry +17

Are Aqueous Biphasic Systems Composed of Deep Eutectic Solvents Ternary or Quaternary Systems?

Helena Passos, Daniel J. P. Tavares, Ana M. Ferreira et al. · ACS Sustainable Chemistry & Engineering · 2016 · 222 citations · Full text

Natural Sciences, Chemical Engineering, Chemistry +17

Thermophysical Properties of Five Acetate-Based Ionic Liquids

Hugo F. D. Almeida, Helena Passos, José A. Lopes‐da‐Silva et al. · Journal of Chemical & Engineering Data · 2012 · 163 citations

Natural Sciences, Chemical Engineering, Chemistry +14

Ionic liquids as additives to enhance the extraction of antioxidants in aqueous two-phase systems

Mafalda R. Almeida, Helena Passos, Matheus M. Pereira et al. · Separation and Purification Technology · 2014 · 132 citations

Engineering, Chemical Engineering, Chemistry +14

Recovery of metals from waste electrical and electronic equipment (WEEE) using unconventional solvents based on ionic liquids

Nicolas Schaeffer, Helena Passos, Isabelle Billard et al. · Critical Reviews in Environmental Science and Technology · 2018 · 107 citations · Full text

Engineering, Chemical Engineering, Environmental Engineering +14