. Shanghai-metals and . Market, Rare Earth Price Chart, issue.14, 2018.

R. V. Horrigan, Rare earth polishing compounds, Industrial Applications of Rare Earth Elements, vol.164, pp.95-100, 1981.

T. S. Formiga and C. A. Morais, Cerium separation from light rare earth concentrate by liquid-liquid extraction, World J. Eng. Technol, vol.4, pp.129-137, 2016.

S. Abilash, M. K. Sinha, B. D. Sinha, and . Pandey, Extraction of lanthanum and cerium from Indian red mud, Int. J. Miner. Process, vol.127, pp.70-73, 2014.

,

Y. Lu, Z. Zhang, Y. Li, and W. Liao, Extraction and recovery of cerium (IV) and Thorium (IV) from sulphate medium by an ?-aminophosphonate extractant, J. Rare Earths, vol.35, issue.16, pp.60170-60179, 2017.

W. Duan, L. Zhu, Y. Zhu, and J. Xu, Dissolution extraction of uranium oxides and cerium oxide with TBP-HNO3 complex in supercritical CO2, Procedia Chem, vol.7, pp.184-190, 2012.

,

W. Duan, P. Cao, and Y. Zhu, Extraction of rare earth elements from their oxides using organophosphorus reagent complexes with HNO 3 and H 2 O in supercritical CO 2, J. Rare Earths, vol.28, pp.221-226, 2010.

R. Shimizu, K. Sawada, K. Sawada, Y. Enokida, and I. Yamamoto, Supercritical fluid extraction of rare earth elements from luminescent material in waste fluorescent lamps, J. Supercrit. Fluids, vol.33, pp.235-241, 2005.

L. K. Sinclair, D. L. Baek, J. Thompson, J. W. Tester, and R. V. Fox, Rare earth element extraction from pretreated bastnäsite in supercritical carbon dioxide, J. Supercrit. Fluids, vol.124, pp.20-29, 2017.

K. E. Laintz and E. Tachikawa, Extraction of lanthanides from acidic solution using tributyl phosphate modified supercritical carbon dioxide, Anal. Chem, vol.66, pp.2190-2193, 1994.

R. Turgis, A. Leydier, G. Arrachart, F. Burdet, S. Dourdain et al.,

S. Miguirditchian and . Pelet-rostaing, Uranium extraction from phosphoric acid using bifunctional amido-phosphonic acid ligands, Solvent Extr. Ion Exc, vol.32, pp.478-491, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01999434

,

A. Charlot, T. Dumas, P. L. Solari, F. Cuer, and A. Grandjean, A spectroscopic study of uranium and molybdenum complexation within the pore channels of hybrid mesoporous silica, Eur. J. Inorg. Chem, vol.3, pp.563-573, 2017.

D. K. Dandge, J. P. Heller, and K. V. Wilson, Structure solubility correlations -organic compounds and dense carbon-dioxide binary-systems, Ind. Eng. Chem. Prod. Res. Dev, vol.24, pp.162-166, 1985.

R. B. Gupta and J. Shim, Solubility in supercritical carbon dioxide, 2006.

W. J. Schimtt and R. C. Reid, The solubility of paraffinic hydrocarbons and their derivatives in supercritical carbon dioxide, Chem. Eng. Com, vol.64, pp.155-176, 1988.

,

B. F. Graham, A. F. Lagalante, T. J. Bruno, J. M. Harrowfield, and R. D. Trengove, Solubitlity of p-t-butylcalixarene in supercritical carbon dioxide: a comparison of static and dynamic measurement techniques, Fluid Ph. Equilibria, vol.150, pp.829-838, 1998.

, , p.363

K. Chylinski and J. Gregorowicz, Solubilities of 1-propanol and 1,2-propanediol in supercritical carbon dioxide. New analytical procedure and measurements

, Equilibria, vol.143, pp.290-292, 1998.

J. A. Dzielawa, A. V. Rubas, C. Lubbers, D. C. Stepinski, A. M. Scurto et al.,

M. L. Jr, A. W. Dietz, J. F. Herlinger, and . Brennecke, Carbon dioxide solubility enhancement through silicone functionalization, Sep. Sci. Technol, vol.43, pp.2520-2536, 2008.

,

A. Mohamed, M. Sagisaka, M. Hollamby, S. E. Rogers, R. K. Heenan et al.,

. Eastoe, Hybrid CO2-philic surfactants with low fluorine content, Langmuir, vol.28, pp.6299-6306, 2012.

J. D. Glennon, S. Hutchinson, S. J. Harris, A. Walker, M. A. Mckervey et al.,

. Mcsweeney, Molecular baskets in supercritical CO 2, Anal. Chem, vol.69, pp.2207-2212, 1997.

,

M. Sagisaka, T. Narumi, M. Niwase, S. Narita, A. Ohata et al.,

T. Givenchy, F. Guittard, S. Alexander, and J. Eastoe, Hyperbranched hydrocarbon surfactants give fluorocarbon-like low surface energies, Langmuir, vol.30, pp.6057-6063, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00992364

,

T. Suzuki, N. Tsuge, and K. Nagahama, Solubilities of ethanol, 1-propanol, 2-propanol and 1-butanol in supercritical carbon dioxide at 313 K and 333 K, Fluid Ph, Equilibria, vol.67, pp.213-226, 1991.

K. C. Pitchaiah, N. Lamba, J. Deepitha, P. K. Mohapatra, G. Madras et al., Experimental measurements and correlation of the solubility of N, N-dialkylamides in supercritical carbon dioxide, J. Supercrit. Fluids, vol.143, pp.162-170, 2019.

,

R. Turgis, A. Leydier, G. Arrachart, F. Burdet, S. Dourdain et al.,

S. Miguirditchian and . Pellet-rostaing, Carbamoylalkylphosphonates for dramatic enhancement of uranium extraction from phosphates ores, Solvent Extr. Ion Exc, vol.32, pp.685-702, 2014.

,

A. Dartiguelongue, A. Leybros, and A. Grandjean, Solubility of perfluoropentanoic acid in supercritical carbon dioxide: measurements and modeling, J. Chem. Eng. Data, vol.61, pp.3902-3907, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01463189

A. Dartiguelongue, A. Leybros, and A. Grandjean, Solubility and solution enthalpy of cesium-selective calixarene in supercritical carbon dioxide, J. Supercrit. Fluids, vol.125, pp.42-49, 2017.
URL : https://hal.archives-ouvertes.fr/cea-02380589

L. Hung, A. Hertz, D. Hartmann, F. Charton, and O. Boutin, Supercritical CO 2 extraction of molybdenum-ligand complexes from sulfuric solutions, J. Supercrit. Fluids, vol.111, pp.97-103, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01297659

P. Yu, S. A. Hayes, T. J. O'keefe, M. J. O'keefe, and J. O. Stoffer, The phase stability of cerium species in aqueous systems II. The Ce(III/IV)-H 2 O-H 2 O 2 /O 2 systems. Equilibrium considerations and Pourbaix diagram calculations, J. Electrochem. Soc, vol.153, pp.74-79, 2006.

N. The and . Webbook, , 2018.

F. Dehghani, T. Wells, N. J. Cotton, and N. R. Foster, Extraction and separation of lanthanides using dense gas CO 2 modified wth tributyl phosphate and di(2-ethyl hexyl)phosphoric acid, J. Supercrit. Fluids, vol.9, pp.263-272, 1996.

Y. , M. , S. Iso, T. Sasaki, and Z. Yoshida, Solubility of organophosphorus metal extractants in supercritical carbon dioxide, Anal. Chem, vol.70, pp.774-779, 1998.

,

N. R. Foster, G. S. Gurdial, J. S. Yun, K. K. Liong, K. D. Tilly et al.,

J. H. Singh and . Lee, Significance of the crossover pressure in solid-supercritical fluid phase equilibria, Ind. Eng. Chem. Res, vol.3, pp.1955-1964, 1991.