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Residual waste


Residual waste is waste that, according to the University’s waste disposal regulations, must not be disposed of with any other waste stream.


Residual waste is collected by cleaning staff on a regular basis and put into a container or compacting bin outside the building. From here it is transported directly to the processing plant.

The following acceptance conditions apply:

  • no waste must be left next to the container
  • there must be no waste protruding from the container
  • the weight of mini-containers plus contents must not exceed 70 kg
  • in some locations, collection begins at 7.30 a.m. on the collection day, so the containers must be accessible from that time onwards.
  • waste containers must be tendered for collection with the lid closed
  • the following substances must not be put in the containers:
    • hazardous waste substances (e.g. chemical waste)
    • liquid oil products or derivatives
    • flammable, self-igniting or explosive waste
    • corrosive, explosive or radioactive waste
    • cadavers, fish waste or slaughter waste
    • substances containing asbestos
    • substances that the processing plant will not accept
  • The supplier has the right to refuse to accept waste that is not tendered as specified above.


After the separation of the residual waste, the remainder is offered to a processing plant for sustainable incineration with a high energy yield. This is known as thermal recycling.

The slag remaining in the incinerator after the waste has been burned

is used in road building. The fly-ash can be used as a filler in asphalt.

residual waste
residual waste
Last modified:16 December 2015 08.51 a.m.
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