That's an excellent and very practical question! The short answer is: it depends, but most standard plastic liners for public trash cans are not accepted in curbside recycling programs. Here’s a more detailed breakdown.
Typically, these liners are made from low-density polyethylene (LDPE) plastic, like grocery bags. While this type of plastic is technically recyclable, the process is tricky. Liners used for trash are often contaminated with food waste, liquids, and other residues, which can spoil an entire batch of recycling. Furthermore, their thin, flexible nature can jam sorting machinery at recycling facilities.
So, what should you do? First, check local municipal guidelines, as rules vary. Generally, the safest approach is to dispose of used public trash can liners in the regular garbage. To be more sustainable, you could empty dry, clean contents (like paper) into a recycling bin first, then toss the liner. For your own use, consider reusable or compostable bag options where appropriate.
The key is reducing contamination. By not placing these liners in your blue bin, you help ensure that other recyclables like cardboard, bottles, and cans actually get processed. It's a small step that makes the whole system more efficient.