The anaerobic sludge was used as the seed sludge with or without heat treatment. For the heat treatment, the anaerobic sludge was baked at 105 C for 2 h before seeding.
The anaerobic sludge was used as the seed sludge with or without heat treatment. For the heat treatment, the anaerobic sludge was baked at 105 C for 2 h before seeding.