Aspirator

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Aspirators in the lab can be used to dispose of chemicals.

A gif displaying how an aspirator works: https://drive.google.com/file/d/1TLLcNzUbopv693MAkD7-A4PuU046YG4F/view?usp=sharing

Processes

• A water aspirator works by having water forced at a high velocity through a small nozzle. A vacuum is created at the smallest end of the nozzle. A tube is attached to this section and can be used to draw up chemicals for disposal. The chemicals then mix with the high velocity water flow discharge at the end of the nozzle. Both the chemicals and the water will be treated in the LNF Acid Waste Neutralization System.

• The water needed to run a single water aspirator is approximately 2 gallons per minute.

• Do NOT aspirate anything over 75C
• Always check the SDS of a chemical whether it should be aspirated or collected.

Equipment

The following wet benches have aspirators:

• RCA Bench 81
• Acid Bench 82
• Solvent Bench 83
• Solvent Bench 84
• Base Bench 63
• Solvent Bench 14
• Mask Bench 13
• Acid Bench 12
• PFC Bench 01
• Acid Bench 02
• Solvent Bench 94
• EDP Bench 93
• Acid Bench 92
• Base Bench 91

References

• Other links that are useful