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Topics 18 March 2022

Today’s Technology for Tomorrow’s Waste Disposal

The amount of trash generated is increasing every year, and far too little is being redirected into raw materials recovery. This means that valuable resources are being wasted every day – and not just raw materials, but also manpower, since collecting waste is labor-intensive work. Therefore, South Korea is testing other options. A new highly efficient system relies on networked waste containers and modern technology from Germany.

For most people, trash disposal is synonymous with refuse collection: Cities and towns use specialized vehicles to collect waste along fixed routes. These vehicles pick up the trash in their assigned areas, sorted into corresponding receptacles, like bins, containers or sacks. Billing is based on several different systems, ranging from fixed fees, to specialized trash bags for purchase, to billing by weight. Many towns and cities have considered replacing regularly scheduled pick-up with a demand-driven collection system. All intelligent waste management relies on trash bins with sensors, whose job is to optimize capacities and collection routes. The goal of such a data-driven approach is to eliminate fixed collection schedules and reduce costs through optimized routes and frequencies.

At a Glance

  • In the control cabinets of modern waste containers in South Korea, Pro 2 Power Supplies provide power reliably.
  • With its compact design, the Pro 2 Power Supply powers all the components while saving space.
  • The PowerBoost function ensures that sufficient capacity reserves are always available.
  • The power supply can be monitored continuously through remote access.

Pilot Project in South Korea

The forward-looking nation of South Korea is seeking efficient waste disposal strategies. A nation-wide pilot project for rural areas is also using intelligent containers, but with different dimensions: At the core of the pilot concept are smart compacting containers with a storage capacity of 10 m³. These are designed as collection containers: Residents bring their waste to the designated collection points. When trash is deposited, an integrated scale weighs it, and the user pays the fee directly on a payment terminal. This billing data is transmitted to a central server, along with data about the fill level, diagnostics and maintenance. Here the data is visualized in a control center.

The containers are equipped with features to minimize odors and provide protection from vermin. The integrated fill level measurement indicates the optimal collection time precisely. Since waste transport is demand-driven and centralized, the networked containers thus form the foundation for increased efficiency. Another advantage is that, with the old system, the containers at the collection points often filled up long before the scheduled pick-up. That allowed loose trash to pile up, where effects like wind would cause it to scatter into the surrounding environment. The container now reports when it is full, avoiding this problem. This allows much more economical labor deployment and significant optimization of the number of trips in comparison to fixed collection routes. That in turn reduces urban street congestion, prevents traffic jams behind trash trucks and reduces both noise and CO2 emissions.

Intelligent containers are set up in designated collection areas.

Residents can weigh the garbage they deposit and pay directly via a payment terminal.