| 摘要 |
Provided is a microorganism contact media that does not interfere a flow of a fluid within an aeration reactor to the utmost, allows anaerobic treatment and aerobic treatment to be operated at the same time by partially formed a sealable space in a body of the microorganism contact media, and allows microorganisms to be adhered onto the microorganism contact media or separated easily. A perforated square-shaped microorganism contact media for biological wastewater treatment is characterized in that through holes(11) with a diameter corresponding to a 2/5 width of the body are formed on respective faces of a cube shaped body(1) which is hollow, and of which height and width are identical to each other; round parts(12) which are rounded to a diameter corresponding to a 3/10 width of the body are formed on corners at which three faces of the body join with one another; and irregularities(13) with a size of 5 mm are continuously formed vertically and horizontally on the respective faces of the body. |
