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Starting with the NETL CO2U database, I've defined a system using a process from NREL for purified terephthalic acid, PTA (National_Renewable_Energy_Laboratory/USLCI_Public_2023_Q1_v1).  Looks to be well defined back thru paraxylene and petroleum feeds.  Executed with TRACI 2.1 (NETL) impact assessment but GWP coming back zero.  Is there a provider link perhaps I'm not initializing correctly or other advice to troubleshoot?  Many thanks

in openLCA by (140 points)

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