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US 2026/0264293 A1Published application
Method for recycling polyolefin containers
AssigneeAlpla Werke Alwin Lehner GmbH & Co. KG
InventorMichael HEYDE
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Abstract
A method for recycling polyolefin containers, includes (a) sorting the containers, (b) crushing the containers to flakes, (c) a washing step, (d) air separation, (e) sorting the flakes, (f) granulating the flakes in an extruder, and (g) odor treatment of the granular material. The washing step (c) is carried out with a lye having a lye temperature of less than 60° C. and a lye concentration of less than 0.5 wt. %.
Claims9
-8. (canceled)
A method for recycling polyolefin containers, comprising:
- (a) sorting the polyolefin containers,
- (b) crushing the polyolefin containers to flakes,
- (c) washing the flaked polyolefin,
- (d) freeing the flaked polyolefin from residues by air separation,
- (e) sorting the flaked polyolefin,
- (f) granulating the flaked polyolefin in an extruder, and
- (g) odor treating the granulated polyolefin,
- wherein
- the washing is carried out with a lye having a lye temperature of less than 60° C. and a lye concentration of less than 0.5 wt. %.
6 more elements
Dependencies are inferred from the claim text.