HDB and Condominium are adapting to vacuum waste removal system. It is a mature technology used in commercial projects. The below is an overview on how the system can link up a cluster of flats.
The main advantages that you will see is pest like cockroaches will not be crawling out of your common bin chute. As it is vacuum, there is negative pressure within the chute system. Everything inside will be suck towards the main dumpster. This also increase the productivity and waste removal cost.
The disadvantages is user must cable tie the trash bag. There should be no exposure where the waste will drop out of the trash bag. Else the system will choke up and increase the maintenance cost of system for town council and managing agents.