Ozone treatment can remove unpleasant odors, including those caused by mold, and can also kill vermin.

Fortunately the air recycling removed odors as well.

Whole industries have developed around products to remove unpleasant odors (see deodorant).

To remove odors, rinse the board and then rub with coarse salt and let stand for several minutes.

But by controlling airflow, plant operators can treat it to remove odors before it is released.

A leaflet with it said the object would remove cooking odors and freshen stale air.

In a recirculating system, filters may remove odors in addition to the grease.

Some vacuum cleaners also use an activated charcoal filter to remove odors.

The product wax may be further processed to remove colors and odors.

After the air is filtered to remove bacteria and odors, it's returned to the living cabin.