Ion pair and solvation dynamics of [Bmim][BF4 ] + water system

2017 ◽  
Vol 56 (2) ◽  
pp. 127-139 ◽  
Author(s):  
João Cascão ◽  
Wagner Silva ◽  
Ana S.D. Ferreira ◽  
Eurico J. Cabrita
Keyword(s):  
Water System ◽  
Ion Pair ◽  
Solvation Dynamics

Sea-water solubility phase diagram. Application to an extractive process

2002 ◽  
Vol 74 (10) ◽  
pp. 1811-1821 ◽  
Author(s):  
R. Cohen-Adad ◽  
Chr. Balarew ◽  
S. Tepavitcharova ◽  
D. Rabadjieva
Keyword(s):  
Phase Diagram ◽  
Sodium Chloride ◽  
Black Sea ◽  
Water Solubility ◽  
Graphical Representation ◽  
Sea Water ◽  
Water System ◽  
Ion Pair ◽  
Crystallization Sequence ◽  
Isothermal Evaporation

The main goal of this presentation is to tentatively forecast or improve an extractive process. The sea-water system is described using a graphical representation of the quinary ion-pair system Na+, K+, Mg2+/Cl−, SO42-//H2O. The operations required by extraction or purification of a sea-water component are simulated by a path through the solubility diagram.The procedure is applied to isothermal evaporation of Black Sea water at 25 °C, and the balance of the crystallization sequence is determined. In the same way, the cooling of residual brine, after precipitation of pure sodium chloride, is studied.

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