Common separator performance issues are: too much liquid in the separated gas, inadequate slug/surge capacity, and too much gas in the separated liquid. Troubleshooting Methodology Unfortunately, once the equipment has been selected and installed, it is very costly to replace if the separator was not specified properly. very low liquid content), and the flow variability is moderately low, scrubbers and gas polishers would be the appropriate equipment selection depending upon the gas quality requirement for the treated stream.įigure 2. For applications where there is a high gas-liquid ratio (i.e. As the flow variability increases with low to moderate gas-liquid ratios, the separator selection will move from a conventional separator to a slug catcher. The type of separator required for an application depends largely on the gas-liquid ratio of the stream to be treated, and the flow variability of the process, as shown in Figure 1. the correct type of equipment was selected, but the sizing methodology was inadequate. the wrong type of equipment was selected for the application, or 2. Underperforming separators generally result from either: 1. The most common types of gas-liquid separators are: One of the most common problems in Oil and Gas Processing facilities is underperforming vapor / liquid separators.
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