3D MDA Tank with eDP
Various measurement technologies have been used over the years to measure interface in a separation vessel. Interfaces vary from clean and well-defined, to a small rag layer or a large emulsion band, right through to multiple interfaces of oil, emulsion, water, solids and associated build-up. Different technologies have shown varying degrees of success, but rarely cope with all of the conditions that can occur. Doug Anderson of VEGA Controls Ltd asks how can this measurement be made more reliable?