The plastic pellet storage solution includes: (1) Low-velocity pneumatic conveying (dilute phase, <20 m/s), (2) Mass flow silo with polished stainless steel, (3) Dehumidified air or nitrogen purge, (4) Anti-static system, (5) Dedusting to remove fines/angel hair, (6) Discharge to process or packaging, (7) Clean-out system for product changeover.