Hydrothermolysis pretreated switchgrass at 200 C for 10 min was used in a simultaneous saccharification
and fermentation (SSF) process using five thermotolerant yeast strains Kluyveromyces marxianus IMB
1, IMB 2, IMB 3, IMB 4, and IMB 5 at 45 C and Saccharomyces cerevisiae D5A at 37 C.