Exhaust and Scrubber
When Exhaust and Scrubber 2510 are connected to an AutoLift system all functions of the process are controlled automatically – fully unattended. A rack of tubes is inserted and the required application selected from memory. Automatic functions in this process include:
- Docking of exhaust with tube rack
- Lowering to the automatic preheated block
- Controlling and adjusting flow rate of the scrubber
- Returning the digested samples to the cooling position
- Turning off the digestor and scrubber
The compact bench top Scrubber 2501 from Tecator Line is self contained and is unaffected by water supply issues. Where water is a scarce or expensive commodity, or simply when a higher level of automation is desired, the water aspirator should be replaced with an efficient Scrubber Unit. Exhaust manifolds and Scrubber units that require an external water source are subject to variation in vacuum efficiency due to fluctuations in local water pressure.
During digestion, moist, acidic fumes from the connected exhaust are drawn through the Scrubber Unit. Acid vapours are first condensed and diluted in a large acid trap. Any residual fumes are collected, washed and neutralised before passing through a second small acid trap which protects the vacuum pump in the event that the scrubbing agents are exhausted. The cleaned air is then vented via a tubing outlet.