LyondellBasell and Covestro announce permanent closure of PO11 unit at Maasvlakte
The Maasvlakte site, a joint venture between LYB and Covestro. Photo credit: Alex Lokker. MAASSVLAKTE, Netherlands, March 18, 2025 (GLOBE NEWSWIRE) — LyondellBasell (LYB) and Covestro have jointly decided to permanently close the Propylene Oxide Styrene and Monomer (POSM) production unit (PO11) at the Maasvlakte site in the Netherlands. This…