Case Studies

Case Study #7

A western Michigan manufacturer’s compressor condensate contained approximately 35% by volume of free oil.

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Case Study #6

A major printing company was experiencing difficulties with managing their wastewater treatment system due to a highly concentrated oily water influent.

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Case Study #5

Natural gas compressor station.

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Case Study #4

A manufacturer of aircraft component generates a free and emulsified oily wastewater, which results from their machining, milling, cutting, and other operations.

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Case Study #3

A New York pharmaceutical manufacturer cleans its equipment daily with soap and hot water. The wastewater is collected, treated and then discharged into the New York City sewer.

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Case Study #2

Three fabricators that are not connected to sewer lines have to meet discharge limits doe oil and grease of 5 PPM before discharging to surface water

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Case Study #1

A Metal Plating company uses rust preventive in a cleaning bath, resulting in a wastewater that contains suspended solids, 10-20 PPM oil, heavy metals, calcium and magnesium.

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Hydrosil International Ltd.
1180 St. Charles Street
Elgin, IL 60120
1.800.PURPLE.1