Extraordinary Design
Advantages

The Mercer Advantage

For over 50 years there has been “tension” in the design of mainstream oil/water separator coalescer equipment. Traditionally, coalescers that were tightly packed to get the best efficiency fouled very quickly. Conversely, those designed to require less cleaning mainentance were unable to meet mandatory effluent requirements . Mercer International has designed a solution that combines the highest possible efficiency with the lowest practical maintenance.

At the heart of this solution is Mercer’s Multi-Pack™ removable plate coalescer, a patented system utilizing flat parallel-plate coalescer modules with removable and adjustable plates. The most important evolution in the oil water separation arena came when Mercer created dedicated zero turbulence chambers "Chimney Zones™" for solids removal and oil extraction. Along with several important design innovations, Mercer’s ability to remove solids from the process flow, has led to Mercer International's reputation for being the highest performance oil/water separator on the market.

	Flat Plate Herring-Bone Design (55 degree angle) The Multi-Pack™ coalescer utilizes time-honored flat parallel plates set at a steep 55 degree angle. The smooth flat plates and cross-flow design help make this the most non-plugging design that industry has to offer. Utilizing this "Short Plate Width" design concept, coalescer plate gaps can be tighter with less plugging than traditional coalescer plate designs. Read More Watch Video
	Chimney Zones™ The *Multi-Pack* design offers an independent collection chamber within the coalescer for both oil and solids. As solids fall off the top of the impingement plates (or as oil droplets coalesce and rise up and out of the coalescer plates) they enter a “zero velocity” baffled *Chimney Zone*. Keeping solids and oils separator reduces sludge and pre-mature fouling. Read More Watch Video
	Oil Water Separator Inlet/Outlet Flow Distribution Baffles Mercer is one of the very few separator manufacturers that continues to provide efficient, two-stage distribution baffles. Our two-stage distribution baffle system is designed to assure evenly dispersed flow over the entire entry area of the coalescer — offering superior results within the coalescer. Read More Watch Video
	Field Adjustable Removable Plates Plates within the coalescer are completely removable from the coalescer frame and the plate spacing is therefore able to be adjusted to multiple plate-gap settings on site. This patented feature lets the operator easily field adjust the coalescer to obtain optimal results. Read More Watch Video
	Hopper Bottom Design Angles of incidence are set at a steep 55° angle from the horizontal axis. In an aqueous environment, this is an excellent angle for most solids to overcome friction-forces in a liquid carrier, and effectively move solids down to the bottom, without binding on the hopper walls. By simple geometry, for a given tank width, the steeper the angle of incidence the larger the solids-holding capacity. Read More
	Sturdy Tank Design and Paint System Mercer supplies a sturdy tank shell to house the internal components. Our separators built in the mid-range size (400-600 gpm) have exterior shell walls from 5/16” to 3/8”, with 3/4” base plates and substantial structural reinforcing. We utilize schedule 80 carbon steel or stainless steel sludge fittings where blasting and painting is the most difficult and the effects of corrosion will be the most prominent. Read More
	Ease of Cleaning A coalescer that processes oils and solids out of the pack will inherently extend the time between cleaning significantly. Mercer's flat-plate herring-bone design is simply the industry's easiest coalescer to clean. Read More Watch Video
	Full Width Weir Plate Design The overflow weir plate is designed to run the full width of the separator. This helps suppress unwanted surges within the unit. This is important with the use of gravity oil skim pipes. If the skim pipes cannot be set properly because of excessive surging, either no oil will enter the oil holding tank, or too much water will enter the compartment. Adjustable weir plates add system versatility. Read More
	Accessories Mercer has a number of standard and custom accessories available. Typical accessories include: automatic oil skimmer, level alarm/control systems, electric heaters for freeze protection, insulation, oil-stop valves, early warning oil spill systems, automated solids removal valves, sludge capture systems, and more. Read More
	Materials of Construction As the specifications have moved to 30+ year operational lives in oil water separator market, it's increasingly important to explore the material options that will stand up better to the test of time. Read More