b'LT ENGINEERINGCATALOGSYSTEM COMPONENTS DESIGN CONSIDERATIONSThe ParkUSA Sand-Oil Separator presents the mainFor general commercial applications, the standard Oil/components showed below: Water CMP Separators are recommended. The parameters used in designing these gravity flow units are: ambient fluid Sensors: Indicate water level inside unit. temperatures (40-60F), standard atmospheric conditions,oil/water specific gravity differential of 0.15, pH of 6-8Control Panel: The Control System consists of and an influent oil concentration of 400 ppm or less. The a panel that receives signal from the high-level sensor, resultant effluent oil concentration of the wastewater should it is programed for easy use for the end-user. be less than 15 ppm which conforms to EPA regulations.Containment Vault: The shell of the unit can beThe oil/water separator should be located so as to intercept constructed from Precast Concrete, Fiberglass, or Steel.the building sewer. The separator should be installed soModel names and configurations vary by material. that it will be easily accessible for inspection, cleaning,and removal of separated waste products. There should be Coalescing Media Pack: Engineered media designed an adequate number of separator access openings to permit for oil retention. cleaning and/or removal of the coalescing plate packs. Wastewater SystemsAll access manholes should extend to grade. The separator OPERATION should be located near the source of the wastewater for maximum protection of the piping system. The inlet and The function of the Sand-Oil CMP Separator is to interceptoutlet piping shall be a minimum of 4 inches or the size of free oils/solids and retain them for periodic removal. the building sewer, whichever is greater. Most jurisdictions The wastewater is treated by the separator in two stages. require a sampling well on the discharging side of the The initial stage of treatment occurs as the inflow strikes separator so that an inspector can verify proper treatmenta corrugated diffusion plate. This process is known as or maintenance.the Buffalo-Morse Principle. Solids and oil are separated through velocity reduction and sinusoidal flow patterns. Heavy solids settle and 100 percent oil slugs rise immediatelyMAINTENANCEto the surface. The frequency of cleaning at any given installation will vary depending on use. The Sand Oil Separator should be The second stage of treatment occurs as the wastewaterinspected at least bi-annually. The High Oil Alarm systemflows through the Coalescing Media Pack (CMP). Bothwill notify of immediate servicing requirements. the smaller oil droplets and fine solids are progressively separated. Downstream, the oil dam prevents collected When necessary, the separator should be pumped outoil from entering the outlet piping. by a licensed pumping company familiar with regulations regarding proper disposal.The Coalescing Media Pack consists of closely spaced corrugated plates manufactured with an oleophilic(oil attracting) material. The patented plates are an enhanced version of the plates utilizing the Royal Dutch Shell Principle. The corrugated pattern induces a sinusoidal laminar flow of the oily water mixture. Under laminar flow conditions, buoyancy forces cause oil droplets to rise until they adhere themselves to the oleophilic plates. Small oil droplets tendto coalesce into sheets of oil on the underside surfaces of the corrugated plates. The sinusoidal flow path also promotes a high incidence of droplet collision as the fluid flow constantly changes direction from a downward path to a vertical path. The coalescing oil rises to the surface in large globules through weep holes or gutters in the coalescing plate pack.INFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 315'