Abstract
De-oiling hydrocyclones are a promising choice for produced-water treatment in the oil and gas industry. The compact nature of hydrocylones makes them suitable for offshore and subsea installations...
Highlights
Produced water is a common waste product in oil and gas production
The Norwegian continental shelf comes under the regulation of the OSPAR commission, which has set a limit of 30 mg/L of oil in produced water discharged to the sea.[1]
There are no experimental results to validate the dynamic model in the literature because most of the available data is based on pressure difference ratio (PDR) control and not giving the outlet purity βU, o
Summary
Produced water is a common waste product in oil and gas production. The amount of produced water typically increases. Oil droplets that enter the reverse-flow zone are considered to be separated from the water, see the green trajectory, which represents a 50 μm droplet. The oil droplets entering the reverse-flow zone (marked by the red color in Figure 10a−d) get separated and move toward the oilrich volume. This excess flow of oil (QEx, o) (back-flow) enters the water-rich volume and comes in the underflow. From eqs 31−34, we can choose the pair 41−42 or the pair 43−44 as model equations
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