Figure 5

An overall mass balance for high titer and yield ethanol production from a Douglas-fir forest residue pretreated by SPORL with “pH profiling” and acid injection delay time t i = 25 min.
An overall mass balance for high titer and yield ethanol production from a Douglas-fir forest residue pretreated by SPORL with “pH profiling” and acid injection delay time t i = 25 min.