Whether the house the garbage disposal if there is still an intermediary is usually a bucket that have, as a rule, in the bedside sink. However, and sheltered thus, it is preferable to isolate any cover. But this complicates the use of: every time not only to open the door, but also to lift the lid.
To combine both operations into one will help here’s the simplest automation. Install bucket PA shelf on the door, and to the cover, attach the twine passing through the ring-block, and the other end fixed at the wall tables: when the door is opened the lid back up on its own.