92 5 1 37 - 7 223 Argun , 2009 0.5 60 121 Autoclave) C butyricum 100 70 37 1.73 - 5.5 20 Pattra , 2008) Continuous stirred tank reactor, CSTR) Olive pulp 1/4 0.5 28.7 55 0.32 Koutrouli , 2009 70 1 - 5.5 6 30 Zhu , 2008b 2.16 2.17