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Primary Treatment & Bulk Removal

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Static Plate Separators (SPS)

Provides economical and effective removal of oil and solids from produced water by gravity separations. This technology’s proven design has no moving parts and provides effective operating results from a simple and consistent separation efficiency. Using the natural principles of buoyancy, this technology manipulates oil particle size to achieve a greater rate of rise of the oil particles. An added bonus is this technology’s ability to effectively remove solids.

Corrugated Plate Interceptors (CPI)

Oily water enters the CPS unit to the influent receiving compartment. Here the velocity is slowed, and the flow is directed into the quiescent zone above the CPI pack(s). Gross, free oil droplets rise, and the flow containing residual small free droplets and solids particles enters the CPI in a laminar flow condition.

The CPI pack is uniquely designed to increase the separation surface area by utilizing a series of parallel plates. These plates are arranged to allow small, free oil droplets to coalesce and separate from the carrier fluid. Separation is based on the differences in the specific gravities of the fluids and the liquid temperature.

Separated oil rises to the peaks of the corrugations in the parallel plates, then moves upward along these peaks to the top of the pack. As the separated oil is diverted to the top of the separator, it is protected from the flow entering the CPI by a gutter. At the top of the unit, the separated oil forms a layer and is skimmed by an adjustable trough or weir. The clean effluent flows upward through the clear effluent compartment, then over the adjustable effluent weir and out of the separation unit.

Separated solids in the CPI pack flow down the valleys of the corrugations to the bottom of the CPI pack. A different gutter shields them from the flow leaving the plate pack compartment. The use of a down-flow pack configuration ensures the entire water phase passes through the plate pack. Because the pack is positioned at a 45° incline, separation is enhanced and the risk of plugging the media is minimized.

Skimmers

Skimmers have been an effective technology in the process of treating produced water for many years. Mostly used as a pre-treatment option, skimmers are effective in the reduction of oil and solids prior to reaching the flotation technology. Generally, skimmers are designed to remove upwards of 2,000 ppm of oil at an efficiency rate of 85%. Skimmers are generally designed to ASME standards but can be designed for atmospheric conditions as well. There are multiple options that can be added to the Skimmer design to enhance efficiency. These include a packing section, solids removing cyclones, and flotation. These can be new builds as well as reconditioned packages which are less expensive and can be delivered quicker.

Degasser

Offer traditional device to remove dissolved and entrained gases from a liquid in upstream process and for produced water treatment prior to disposal or reuse.