only see one paper under CO2 in the Data Dump! (Scientific Papers) we can do better.
you sound like you might already grok https://scholar.google.com/scholar?q=SFE+CO2
chances are there is useful information behind Search results for 'CO2' - Future4200 but you’re gonna have to dig a little. eg Beyond CO2 density, "vapor pressure" method boosts THCa throughput