The reject separator is used for removal of plastics and metals from pre-treated substrate. The substrate is pumped through a Ø6 mm screen where the reject is separated from the organic material.
The reject separator efficiently removes contaminants and offers a very clean substrate, also when the incoming material includes high amounts of plastics. This allows for a process with incoming supermarket waste including high amounts of packaging material. It also enables municipal waste handling based on organic material sorted into plastic bags. Substrate treated in a reject separator is clean enough to be accepted for use as fertilizer without any additional cleaning after the digester.
The reject separator is normally installed at the outlet of a pulper. There are also successful applications where the reject separator has been installed as a stand-alone upgrade to an existing wet hammer mill process.
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