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MSR -11 P Installation And Operating Manual

Oil-water separator
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INSTALLATION AND OPERATING MANUAL
MOHR SEPARATIONS RESEARCH
MODEL: MSR-11 P OIL-WATER SEPARATOR
BACKGROUND AND INTRODUCTION
The MSR Model MSR-11 P Oil-Water Separator is a passive gravity operated
system for the separation of oil from oil-water mixtures. The design utilizes the
difference in specific gravities between oil and water (buoyancy force), enhanced
by the use of Mohr Separations Research Inc. modular coalescing system. The
separator is designed to receive oily water in pumped flow at a relatively low
(less than 15 US GPM maximum) flow rate. Please see the process flow
simulation in the appendix. The separator vessel is constructed of heavy duty ½"
thick polypropylene, utilizing all welded construction. The coalescing plates are
manufactured of an oleophilic ("oil-loving") polypropylene.
For purposes of this manual, please see the attached drawing. Information from
the manufacturers of the accessories (if any) is provided in the appendix.
The oil in this mixture is usually in the form of droplets of various sizes. As the oil-
water mixture flows through the plates, the oil droplets rise within the water, due
to their buoyancy. As the droplets rise, they come in contact with the underside of
the plates and coalesce, forming a thin film of oil on the underside of the plates.
This film flows upward along the plate surface until it reaches the plate peaks. Oil
accumulates in a thicker oil layer on the underside of the plates until it
disengages and moves up through the module. Holes have been provided in the
module plates at the peaks so that the oil collected in this manner may percolate
through the holes and eventually come to the water surface in the separator.
The separated oil that comes to the top flows out and over the oil overflow weir
into the oil holding tank, which is located downstream of the media. The clean
processed water is discharged via the outlet underflow/overflow into the clean
water tank and thence to the customer's downstream system. The outlet water
and collected oil must be able to flow by gravity (or pumped if outlet pump is
provided) to their respective containers, so the system must be elevated slightly
so that this may happen.

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Summary of Contents for MSR MSR-11 P

  • Page 1 MODEL: MSR-11 P OIL-WATER SEPARATOR BACKGROUND AND INTRODUCTION The MSR Model MSR-11 P Oil-Water Separator is a passive gravity operated system for the separation of oil from oil-water mixtures. The design utilizes the difference in specific gravities between oil and water (buoyancy force), enhanced by the use of Mohr Separations Research Inc.

  • Page 2: Internal Configuration

    INTERNAL CONFIGURATION The coalescing module provided in the MSR-11P unit consists of special polypropylene coalescing plates held together with polypropylene retainer pins. Spacing between the plates in the module is maintained by pin and socket arrangements molded into the plates. The purpose of these plates is to enhance the coalescing of small droplets.
  • Page 3 Legend ‘A’ ‘B’ ‘C’ ‘D’ 1244.6 1219.2 425.5 390.5 inches 16.75 15.375 Weight Kilograms Pounds Capacities Water volume Oil tank Shipping Liters Operating US gallons 1.25 The relationship between the flowing water level and the overflow weir is set by adjusting the outlet weir.

  • Page 4: Initial Check

     Install valves or plugs in the drain and oil outlet connections. INITIAL CHECK Before putting the MSR-11P unit in service initially or after maintenance, the following startup-check procedures should be performed.  Ensure that the unit is installed in a level position and check inlet and outlet connection to ensure that they are properly made and leak tight.

  • Page 5: Initial Start-Up

     Remove bolts and nuts securing the cover and open the two ends of the cover. Remove packing materials and the spare gaskets if provided. Save the gaskets for possible later use.  Check to ensure that the module has not moved out of place. The module should be positioned so that it is correctly in position as shown on the drawing.

  • Page 6: Normal Operation

    the outlet water is clean, wait for oil to build up on the surface. If the outlet flowing water contains oil, check for emulsification of oil and upstream conditions. Ensure that emulsifying detergents are not being used in the inlet water. NORMAL OPERATION Carefully maintain flow at the rate set when flow was established, or less.

  • Page 7: Troubleshooting

    For other problems or advice, please consult with MSR at (918) 299-9290 Notes: 1. For oil flow, the oil layer on top of the water in the main separator area must be at least 3/8” thick. Oil layer thickness for flow will depend on the specific gravity of the oil removed.

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