... The constitutive response of an aerobic/anaerobic composite annular biofilm reactor was modeled with fundamental kinetic parameters obtained independently from ...
www.erc.montana.edu/Res-Lib99-SW/pubs/Theses/ 1970_1989/Thesis82_Schaftel.htm

... by an aerobic Kaldnes moving bed biofilm reactor at 55 o C. The anaerobic reactor was mixed by gas circulation and the aerobic reactor was mixed by aeration. ...
www.iwaponline.com/wst/04008/wst040080081.htm