Measurement of activity coefficient at infinite dilution for some bio-oil components in water and mass transfer study of bubbles in the dilutor

Muhammad Saad Qureshi; Petri Uusi-Kyyny; Dominique Richon; Kaj Nikiforow; Ville Alopaeus

doi:10.1016/j.fluid.2015.01.010

Measurement of activity coefficient at infinite dilution for some bio-oil components in water and mass transfer study of bubbles in the dilutor

Muhammad Saad Qureshi^*
, Petri Uusi-Kyyny
, Dominique Richon
, Kaj Nikiforow
, Ville Alopaeus

^*Corresponding author for this work

Not published at VTT

Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

5 Citations (Scopus)

Abstract

Activity coefficients at infinite dilution (γ^∞) values are of great importance when designing separation processes like distillation, liquid-liquid extraction and gas stripping. In this study the γ^∞ values were determined for four compounds in water that are present in bio-oil. Henry's law constants (H₁₂), Partial molar excess enthalpies at infinite dilution (H-iE,∞) and air-water partition coefficients (K_aw) are also reported. The measurements were performed using inert gas stripping equipment (dilutor) in the 298-340K temperature range. Mass transfer study was also performed to investigate the equilibrium between the solution and the gas leaving the cell.

Original language	English
Pages (from-to)	1-11
Number of pages	11
Journal	Fluid Phase Equilibria
Volume	392
DOIs	https://doi.org/10.1016/j.fluid.2015.01.010
Publication status	Published - 5 Apr 2015
MoE publication type	A1 Journal article-refereed

Funding

Muhammad Saad Qureshi, Petri Uusi-Kyyny and Ville Alopaeus acknowledge TEKES and Finnish Academy for financial support.

Keywords

Bio-oil
Dilutor
Henry's law constant
Inert gas stripping
Infinite dilution

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10.1016/j.fluid.2015.01.010

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title = "Measurement of activity coefficient at infinite dilution for some bio-oil components in water and mass transfer study of bubbles in the dilutor",

abstract = "Activity coefficients at infinite dilution (γ∞) values are of great importance when designing separation processes like distillation, liquid-liquid extraction and gas stripping. In this study the γ∞ values were determined for four compounds in water that are present in bio-oil. Henry's law constants (H12), Partial molar excess enthalpies at infinite dilution (H-iE,∞) and air-water partition coefficients (Kaw) are also reported. The measurements were performed using inert gas stripping equipment (dilutor) in the 298-340K temperature range. Mass transfer study was also performed to investigate the equilibrium between the solution and the gas leaving the cell.",

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AU - Qureshi, Muhammad Saad

AU - Uusi-Kyyny, Petri

AU - Richon, Dominique

AU - Nikiforow, Kaj

AU - Alopaeus, Ville

PY - 2015/4/5

Y1 - 2015/4/5

N2 - Activity coefficients at infinite dilution (γ∞) values are of great importance when designing separation processes like distillation, liquid-liquid extraction and gas stripping. In this study the γ∞ values were determined for four compounds in water that are present in bio-oil. Henry's law constants (H12), Partial molar excess enthalpies at infinite dilution (H-iE,∞) and air-water partition coefficients (Kaw) are also reported. The measurements were performed using inert gas stripping equipment (dilutor) in the 298-340K temperature range. Mass transfer study was also performed to investigate the equilibrium between the solution and the gas leaving the cell.

AB - Activity coefficients at infinite dilution (γ∞) values are of great importance when designing separation processes like distillation, liquid-liquid extraction and gas stripping. In this study the γ∞ values were determined for four compounds in water that are present in bio-oil. Henry's law constants (H12), Partial molar excess enthalpies at infinite dilution (H-iE,∞) and air-water partition coefficients (Kaw) are also reported. The measurements were performed using inert gas stripping equipment (dilutor) in the 298-340K temperature range. Mass transfer study was also performed to investigate the equilibrium between the solution and the gas leaving the cell.

KW - Bio-oil

KW - Dilutor

KW - Henry's law constant

KW - Inert gas stripping

KW - Infinite dilution

UR - https://www.scopus.com/pages/publications/84923025539

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DO - 10.1016/j.fluid.2015.01.010

M3 - Article

AN - SCOPUS:84923025539

SN - 0378-3812

VL - 392

SP - 1

EP - 11

JO - Fluid Phase Equilibria

JF - Fluid Phase Equilibria

ER -

Measurement of activity coefficient at infinite dilution for some bio-oil components in water and mass transfer study of bubbles in the dilutor

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