Fig. 7From: Life cycle impacts of ethanol production from spruce wood chips under high-gravity conditionsDetoxification with PEI. a shows the comparison with global warming potentials (GWP) of the other tested configurations, and b shows the contribution analysis for the tested configurations. The calculated linear trend (in blue) and confidence interval (in gray) that are shown do not include the results of the configurations that use PEI as the detoxifying agentBack to article page