A Liquid Phosphine Oxide: Solvent Extraction of Phenol, Acetic Acid and Ethanol

Watson, EJ; Rickelton, W.A.; Robertson, A.; Brown, Timothy J.

doi:10.1080/07366298808917932

Cited by 29 publications

(32 citation statements)

References 5 publications

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“…Values of the individual mass-transfer coefficients (k F and k M ) obtained by fitting of eqns (4)- (7) to experimental data are given in Fig 11 as is the same order as for the distribution coefficient D. This effect is justified by the presence of the distribution coefficient in the considered model, ie in eqns (4) and (5). The value of the individual masstransfer coefficient in the membrane boundary layers changed in the opposite direction.…”

Section: Pertraction Of Phenol Through a Bulk Liquid Membranementioning

confidence: 97%

Extraction and pertraction of phenol through bulk liquid membranes

Cichy

Schlosser

Szymanowski

2004

J of Chemical Tech & Biotech

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The extraction and pertraction of phenol through a bulk liquid membrane (BLM) with Cyanex  923, Amberlite LA-2 and trioctylamine (TOA) as carriers were studied. Cyanex  923 was selected as the best carrier for pertraction. The distribution coefficient of phenol for solvents with carrier and pure n-alkanes, the individual mass-transfer coefficient at the extraction interface and the initial flux of phenol through the extraction interface (J Fo ) decreased in the order: Cyanex  923 > Amberlite  LA-2 > TOA >> pure n-alkanes. The opposite order was observed for the value of the mass-transfer coefficient in BLM and the maximum flux of phenol through the stripping interface (J Rmax ). At constant driving forces the maximum fluxes through the extraction and stripping interfaces were similar when amine carriers were used. However, J Rmax was lower than J Fo for Cyanex  923. Although the kinetics of stripping was the rate-determining step, the flux of phenol was significantly higher than in pertraction with amine carriers. The adsorption of the carrier at aqueous phase/membrane interfaces was probably responsible for the rapid and slow transfer of phenol through the extraction and stripping interface, respectively.

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Section: Pertraction Of Phenol Through a Bulk Liquid Membranementioning

confidence: 97%

Extraction and pertraction of phenol through bulk liquid membranes

Cichy

Schlosser

Szymanowski

2004

J of Chemical Tech & Biotech

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“…[32][33][34][35][36] and as an extractant 37 for metal ions and organic acids [38][39][40][41] and phenolic compounds. [42][43][44] However, an issue with TOPO is its relatively low solubility in hydrocarbon solvents that are the choice for aqueous-organic liquid-liquid extraction processes. One approach to address this is the use of alternative phosphine oxide formulations, such as Cyanex 923.…”

Section: Introductionmentioning

confidence: 99%

Hydrophobic Deep Eutectic Solvents Incorporating Trioctylphosphine Oxide: Advanced Liquid Extractants

Gilmore

McCourt

Connolly

et al. 2018

ACS Sustainable Chem. Eng.

116

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A low viscosity, hydrophobic eutectic solvent based on trioctylphosphine oxide (TOPO) has been developed and characterized, and its use as an extractant demonstrated for liquid−liquid separation of uranyl nitrate from aqueous acid. This strategy of liquefying the active extracting agent as a eutectic liquid produced liquids that contain an intrinsically high concentration of TOPO (ca. 80 wt %, 1.875 mol L −1 at χ TOPO = 0.50) and renders the use of an organic (hydrocarbon) diluent redundant.

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“…Particularly, TBP effectively works for extraction of phenol [19,26]. Since TBP is highly hydrophobic, it can be used as the extracting organic solvent due to its prompt settling in the mixture with an aqueous phase.…”

Section: Introductionmentioning

confidence: 99%

“…In this study, we attempted to immobilize tributyl phosphate (TBP) which is used in various industrial applications [19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%