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AODD Pumps

Prescribing Safe Solutions: Handling Waste Solvents Safely

| Author / Editor: Harald Vogl* / Wolfgang Ernhofer

30 Minutes to Fill a Tanker

The E80 pump — affectionately known to Roche personnel as “Big Bertha” — has a maximum flowrate of 48 m3/hr (12,600 gph). Since the piping runs connecting the storage tanks to the truck-loading area are quite long (4–5 meters/13–16 feet), the E80 pump’s suction line is fitted with a pulsation damper that allows the pump to produce a virtually uniform flow. The result is a pump that satisfies all of the criteria that Roche has for pumping used solvents.

“We use the E80 to pump the waste solvent from the underground tanks to the tank truck,” explains Habeck. “The truck has a capacity of 25 m3 (6,600 gallons) and we want to fill the tank very quickly. That’s why we bought this big pump, so we can do it in a short amount of time. It’s all about efficiency, and we have this pump because it is very efficient.”

Indeed, with its maximum flowrate of 48 m3/hr, the E80 pump is able to fill a standard 25 m3 tank truck in around 30 minutes.

Easy Work and Maintenance with AODD Pumps

The smaller E25 pumps, with their maximum flowrates of 8 m3/hr (2,100 gph), are also fitted with pulsation dampers. They are used to transfer certain classes of used solvents to Roche’s in-house recycling area, where they are treated before being transferred to a wastewater disposal facility.

Roche also benefits from the simple maintenance that the E-Series pumps require — in the rare instances when they do need maintenance. “One of the benefits of the Almatec pumps is that they are very easy to work on,” says Habeck. “We’ll have local technicians come in to perform maintenance and they like the Almatec pumps because the maintenance is very easy to perform.”

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