ABSTRACT

An experimental procedure was developed by Brooks et al. 1 for anaerobic screening studies using 125 mL syringes with luer-lock valves. This procedure was performed under static conditions with intermittent mixing twice per day. The new modified procedure involves continuous mixing on a shaker table. A specific test protocol has been developed with standardized operating conditions, including organic loads and volatile suspended solids concentrations. Advantages of this procedure are reduction in test duration and minimal variability.