However, can the capabilities of Coriolis surprise anyone anymore?
An alternate way to sense the interface between hydrocarbons and water is to measure the density of the fluid at any point. When the density drops, you have found the interface. One of the reasons engineering has not used the method is the difficulty of obtaining a timely, accurate density measurement. Density measurement is an area where these Coriolis meters shine. A Coriolis meter works by oscillating a flow tube rapidly. By measuring the time it takes to complete one oscillation (the “tube period”), it is possible to determine the accuracy of a fluid’s density with great precision. In fact, the density measurement is determined directly-the meter does not infer the density from other measurements. By installing a Coriolis meter in-line, underneath the tank, we can detect the interface reliably even when there is a rag layer present. The wastewater passes directly through the meter. As soon as the tube begins oscillating more quickly, that is the interface. Immediately a signal can
