Physical properties of aqueous blends of sodium glycinate (SG) and piperazine (PZ) as a solvent for CO2 capture

M. S. Shaikh, A. M. Shariff, M. A. Bustam, Ghulam Murshid

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15 Citations (Scopus)

Abstract

The physical properties including the density, viscosity, and refractive index of aqueous blends of sodium glycinate (SG) and piperazine (PZ) as a solvent for CO2 absorption were measured under the wide temperature range (298.15 to 343.15) K. Different concentrations (mole fraction) of sodium glycinate and piperazine (SG + PZ) blends were (0.0348/0.0089, 0.0263/0.0177, 0.0177/0.0263, and 0.0089/0.0348), respectively. From the observations, it was found that the densities of the aqueous blends decrease when the piperazine concentration in the blend increases. It was noticed that the viscosity of the blend decreases initially by increasing the concentration of piperazine from 0.0089 to 0.0177 mole fraction; however, on further increasing the piperazine and decreasing the sodium glycinate concentration in the blend, the viscosity tends to increase. The refractive indices of the aqueous blend of sodium glycinate and piperazine decrease with increasing the concentration of piperazine in the blend. The density, viscosity, and refractive index of an aqueous blend of (SG + PZ) decreases with increasing temperature. The measured values of density, viscosity, and refractive index were correlated as a function of temperature by using standard equations of the least-squares method. All of the correlation parameters were reported together with the standard deviation.

Original languageEnglish
Pages (from-to)634-638
Number of pages5
JournalJournal of Chemical and Engineering Data
Volume58
Issue number3
DOIs
Publication statusPublished - Mar 14 2013

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Physical properties
Sodium
Viscosity
Refractive index
Temperature
piperazine

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Physical properties of aqueous blends of sodium glycinate (SG) and piperazine (PZ) as a solvent for CO2 capture. / Shaikh, M. S.; Shariff, A. M.; Bustam, M. A.; Murshid, Ghulam.

In: Journal of Chemical and Engineering Data, Vol. 58, No. 3, 14.03.2013, p. 634-638.

Research output: Contribution to journalArticle

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