Since the 1950s, biofilters have been used for odor control
Since the 1950s, biofilters have been used for odor control, primarily at industrial wastewater treatment centers. Biofilters were developed for industrial centers for the removal of odors caused by gases. Gases such as hydrogen sulfide and methane are flammable when not properly vented. If you have a septic system, you might find these gases in your home. Because of this, biofilters are available for home use.
Biofilters contain microorganisms that metabolize the gases. As the contaminated air flows through the biofilters, the air is treated by microorganisms. The microbes convert the air into carbon dioxide and water, destroying the odors. The filters last as long as the microorganisms live.
Your septic system works in a similar way. As organic material drains into your septic tank, microorganisms like bacteria metabolize the waste, breaking it down. The waste eventually exit out the bottom of your septic tank through small holes, having been naturally treated.
Bio-waste treatment naturally occurs in your septic tank does not solve the problem of the foul smelling gases. You can purchase filters that absorb the gas fumes, similar to the ones used in industrial centers. These filters are installed on vent pipes normally located on your roof. In some cases, vent pipes are located directly on the septic tank.
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