Replacement of Water Aspirators

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Led by Charles Strom, Director of Labs, Department of Chemistry, Faculty of Arts and Science

The current method of using water aspirators to provide low vacuum in university laboratories is wasteful and inefficient. The project substituted stand-alone diaphragm pumps in three laboratories to gauge their utility as a water-saving alternative, and assessed possibilities for institutionalization across other facilities.

The pumps were installed in three separate research labs in order to replace existing equipment that uses water aspirators. A log was set up at each location in order to track usage of the pumps. There was a wide variation of usage; ranging from 3-9 hours/day which corresponds to a water savings of roughly 540 gal/day to 1,620 gal/day for a monthly savings averaging approximately 32,400 gal.

Future plans include installation of diaphragm pumps in all other laboratories.

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