Enthalpy-Concentration Diagram for System Ferrous Sulfate Water

Kobe, Kenneth A.; Couch, Earl J.

doi:10.1021/ie50530a048

Cited by 8 publications

(2 citation statements)

References 7 publications

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“…The ethylene used in this study was Matheson CP grade with a minimum purity of 99% and was identical with that used in 0021-9568/79/1724-0O96S01.00/0 the previous study (5). The cyclohexane used was an Eastman…”

Section: Methodsmentioning

confidence: 99%

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Heat capacity and enthalpy of the ternary system ferrous sulfate heptahydrate, sulfuric acid, and water

Bhattacharyya¹,

Bhattacharyya²

1979

J. Chem. Eng. Data

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nd2o *nh2o Figure 1. LOST as a function of D20 composition.of hydrate compounds in which the amine is surrounded by a hydrogen bonded water cage. Analogous transient structures might be expected to exist in solution as well. If this view of the solution is adopted, then it can be argued that there is a "structural" contribution to ASa which is negative and which results from the greater ordering imposed upon water molecules when they are "diluted" by TEA and become incorporated into these cagelike frameworks. Because of the greater strength of the D-O-D bond as compared with H-O-H (see ref 1 for a discussion of this subject), the entropy of dilution would be more negative in the D20/TEA system, for this reason alone. Again, this would lead to the expectation of a lower LCST for D20/TEA. Literature Cited(1) E.

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Section: Methodsmentioning

confidence: 99%

“…required percentage could readily be obtained. AHs on the other hand, could be calculated from the relation AHs = ms(Af) + (TC)At-m7s7(trt J (5)…”

Section: Enthalpy Calculationsmentioning

confidence: 99%