Main applications
- Measuring the dew and bubble points of hydrocarbon systems by pressure search methods.
- Investigating water-hydrocarbon phase equilibria.
Operating conditions
Pressure:up to 6,000 psia (40 MPa)
Temperature: -20 ºC to 80 ºC
Description
The rig comprises of a variable volume (maximum 150cc) high pressure piston cell, surrounded by a coolant jacket. Cell pressure is measured by a Quartzdyne pressure transducer and temperature by a PRT. The accuracy of the pressure measurement is 0.007MPa and the temperature measurement 0.1 ºC. The cell is fitted with high-pressure electric feed-throughs which are connected to a QCM mounted inside the cell. The resonant frequency of the QCM is monitored using an impedance/gain-phase analyser. The pressure, temperature and resonant frequency of the QCM are recorded by a PC.