摘要 |
<p>From an acclimatization-completed vessel 10 having microbe-immobilized materials 14A in which anaerobic ammonium oxidizing bacteria have been acclimatized, some of the microbe-immobilized materials 14A are withdrawn. The withdrawn microbe-immobilized materials 14A are introduced into an acclimatization-uncompleted vessel 12 in which acclimatization is to be carried out to perform start-up operation. <IMAGE></p> |