WATER TREATING MEDIUM AND WATER TREATING DEVICE FOR DENITRIFICATION

摘要

PURPOSE:To provide the water treating medium for denitrification which has a high capacity to capture microorganisms, is good in contact efficiency with water, allows the easy removal of generated gaseous nitrogen and can be easily reproduced. CONSTITUTION:The water treating medium 2 for denitrification having a fibrous mass shape constituted by entangling short fibers 1 having >=3mm and <=8mm fiber length and >=1.0 and <=1.5 true sp. gr. with each other and immobilizing bacteria for removing nitrate nitrogen is used.