For more than thirty years, D. Richon has designed many experimental devices for measuring thermodynamic and transport properties. The covered pressure range goes from 0 to 100 MPa and the temperature range from 200 to + 600 °C. Many types of products can be studied: viscous, toxic, corrosive, etc. The studied quantities include: "vapor-liquid", "liquid-liquid", "vapour-liquid-liquid", "solid-liquid" phase equilibria etc, volumetric and transport properties (viscosity and rheology), absorption kinetics, activity coefficients and Henry's constants, surface tensions under pressure, etc.

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Among the published patents, one of them is particularly useful. It concerns the ROLSI ™ (Rapid One Line Sampling Injector) who is an extremely good tool to take samples, of very small sizes, under very high temperatures and very high pressures.

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The produced experimental devices have been and are of interest for various industries: oil and gas, pharmaceutical, chemical, industrial gases, refrigeration, etc, etc.

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The ongoing activity in the field of hydrocarbons was rewarded by the prestigious "Katz Award" delivered in 2001 by the "Gas Processors Association", Tulsa, Ok, USA. See:

https://www.gpaglobal.org/awards/katz/