Importance

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Abstract

The present invention provides a microwave pyrolysis reactor (1) comprising an inner pipe element (2) and a housing (4), wherein the inner pipe element (2) is made of a microwave transparent material and is arranged within the housing and comprises a first open end (5) and a second open end (6); the housing (4) comprises a first inner surface, enclosing an annular space (7,44) around the inner pipe element (2), a waste inlet (10), a solids outlet (11), a gas outlet (12), and a port (13) for a microwave waveguide (14), the waste inlet and the solids outlet are in communication with the first open end and the second open end of the inner pipe element, respectively, and the port for a microwave waveguide is in communication with the annular space; the inner pipe element, the waste inlet and the solids outlet of the housing form parts of a conduit not in fluid communication with the annular space around the inner pipe element and wherein the inner pipe element is clamped within the housing via a cylinder-shaped resilient assembly (54) arranged at at least one of the first open end (5) and the second open end of the inner pipe element, the resilient assembly is adapted to allow longitudinal expansion of the inner pipe element (2) and comprises a central through-going passage (57) having a centerline in line with a centerline (C) of the inner pipe element.

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First Claim