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Microfluidic Study of Synergic Liquid-Liquid Extraction of Rare Earth Elements

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Academic year: 2021

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Figure 2: 3D sketch of microfluidic extraction circuit card  with: PTFE membrane; four  tightening  bolts  for  mechanical  stability;  PMMA  block  milled  with  microfluidic  serpentine  channels;  input/output  stainless  steel  tubes
Figure 3:  Location of the relative chemical potentials of the electrolyte during liquid- liquid-liquid extraction: reference chemical potentials µ 0  are indicated explicitly
Figure 4: Skeletal formulas of HDEHP and DMDOHEMA.
Figure 6: Free energies of transfer ΔG (kJ/mole) explored around the Winsor II-Winsor III  re-entrant phase limit versus the DMDOHEMA molar fraction for three different HNO 3
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