Proper Acclimation For A Biological Scrubber

Posted by Anthony DeLoach, President on Aug 23, 2017 10:10:07 AM (7).jpgWhen initially starting up a biological scrubber, it is important to understand all of the variables to avoid having costly shutdowns or poor performance.  A biological scrubber for a standard Hydrogen Sulfide (H2S) project must be properly acclimated to the conditions to assure proper performance and removal efficiency.  The best analogy for someone who is just starting to get involved in the operation is to think of the process much like you would when taking care of a brand new aquarium.  If you put the fish in too fast they might go into shock and potentially die. If the water is the wrong temperature or if the pH is out of balance, then you’ll get the same result, and etc.

The other problem occurs when the off gas loading rate is not steady or rapidly changes. This inconsistency will also create difficulties for the scrubber operation or initial balancing. It is important to first bring the scrubber on line and create a steady state for all of the basic parameters, depending on the type of cultures you are working to treat the off gases. Microbes will adapt and acclimate if given the right conditions and time.

The microbes must acclimate to the media structure and begin to multiply. Normally a substitute feed source is utilized to allow colonization to occur on the media surface and for the microbe count to increase. If this is done first, you must then acclimate the microbes over to the specific type of off gas you intend to treat. A rapid change can cause the microbes to die and the scrubber performance to fail.

If you have time it is always recommended you acclimate using the specific gas you intend to treat or accept that way when you first initially start up biological scrubbers the removal efficiency will be low and slowly, over 3-5 days, you will see the gradual improvement until it is optimize at the loading rate. For more information or to learn more contact the professionals at DeLoach Industries Inc. at (941) 371-4995.

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Related Blog: What to Consider When Selecting an Odor Control Scrubber [VIDEO]

Topics: pH levels of water, water treatment, biological scrubber

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