Business BASF completes expansion at Geismar plant By Deanna B. Narveson - December 19, 2023 BASF’s Geismar facility photographed in 2018 (Courtesy Capitol Ultrasonics LLC) FacebookXLinkedinEmailPrint BASF has completed its capacity expansion for key specialty compounds manufactured at its Geismar plant, Chemical Engineering Online reports. Already an INSIDER? Sign in.