An example lavatory waste compartment includes a waste bin having a waste compartment for trash, a waste flap providing an opening into the waste compartment for insertion of the trash, and a manually operated trash compactor coupled to a ceiling. The manually operated trash compactor includes an expansion component connected to a compacting head, and a retraction component coupled to the expansion component to hold or retract the expansion component to a stowed position. An increase in temperature above a threshold temperature causes the retraction component to release the expansion component resulting in deployment of the compacting head into the waste bin. An actuation device is provided to deploy the expansion component from the stowed position, and when deployed, the expansion component blocks opening of the waste flap, and the retraction component causes the expansion component to retract to the stowed position via release of the actuation device.

A residue-compacting container with disinfection system is described that includes a vertically displaceable structure, a lid and a bag, the structure comprising a chassis internally supporting a sealed container and has, vertically fixed on both sides, a lower lateral structure; two lower lateral structures, each formed by cylinders, a steel cable, a spring and a telescopic pipe; two upper lateral structures with a handle; and a sealed container formed by a lower cylindrical body and an upper cylindrical body; the container lid is located over the chassis and moves along the two upper lateral structures, has a hermetic sealing resin and contains mechanical elements for sterilizing and compacting the residues contained inside a bag, which is located inside the sealed container.

An example lavatory waste compartment includes a waste bin having a waste compartment for trash, a waste flap providing an opening into the waste compartment for insertion of the trash, and a manually operated trash compactor coupled to a ceiling. The manually operated trash compactor includes an expansion component connected to a compacting head, and a retraction component coupled to the expansion component to hold or retract the expansion component to a stowed position. An increase in temperature above a threshold temperature causes the retraction component to release the expansion component resulting in deployment of the compacting head into the waste bin. An actuation device is provided to deploy the expansion component from the stowed position, and when deployed, the expansion component blocks opening of the waste flap, and the retraction component causes the expansion component to retract to the stowed position via release of the actuation device.