Air separation system

An air separation system for sorting waste items, comprising a main housing having an intake portion for receiving a laminar intake air stream carrying waste items (W) in an intake air direction (D) and an exhaust portion comprising one or more baffle members transversely arranged with respect to the intake air direction (D) for defining a plurality of exhaust channels;

• a curved guide shell comprising a plurality of interconnected guide plates transversely arranged with respect to the intake air direction (D), wherein the guide shell comprises an upstream end arranged above the intake portion of the main housing, and wherein the guide shell comprises a guide surface configured for guiding the intake air stream with waste items (W) when the air separation system is in operation;
• and
• wherein the main housing comprises a plate connecting arrangement on opposing transverse sides (S1, S2) of the main housing and configured for releasable connection to opposing ends of each of the plurality of guide plates.