Table 1 Various cultivation conditions applied during this study

Case A

Co-culture in CSTR* without stirring with carriers

Case B

Co-culture in CSTR with stirring without carriers

Case C

C. saccharolyticus without stirring with carriers

Case D

C. owensensis without stirring with carriers

Case E

Co-culture in UA** reactor with sludge

Case F

C. saccharolyticus in UA reactor with sludge

Case G

C. owensensis in UA reactor with sludge

Case H

Co-culture in UA reactor without sludge with carriers

Case I

Co-culture in UA reactor without sludge without carriers