Charcoal: Charcoal is on the top of the list of smell deodorizers as it is one of the best absorbent agents that can soak up the bad odor. Charcoal is also widely used as water filters and in most odor-removing commercial products. You can put a medium-sized chunk of charcoal inside your smelly patio for instance, and leave it there for a couple of days. You will notice that it can effectively remove the trash can smell.
Overall, these bins are not as attractive and therefore not as commonly placed in public areas, though it is possible to purchase specialized lids for more controlled trash disposal. This type of outdoor trash receptacle is often ideal for employee usage and for housing waste that has been emptied from inside.