Abstract

Golay in 1964 posed the paradox that it should theoretically be possible to conduct an operation of single-component chromatography with linear isotherm and high column loading in such a way that the entropy of the system is decreased. The paradox is resolved by showing that the concentration dependence of the flow-rate, invoked by Golay, renders the system non-linear despite the linear isotherm. The result of the non-linearity is that one of the concentration variations spreads, instead of remaining sharp as it would in linear chromatography and as was assumed by Golay, This spreading negates the entropy decrease.

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