| Title |
The Study on the pre-treatment of Raw Water by fixed biofilm Reactor |
| Authors |
박대원 ( Dae Won Pak ) ; 김동건 ( Dong Kun Kim ) ; 장원석 ( Won Seak Chang ) ; 고창일 ( Chang Il Koh ) |
| Abstract |
We performed the tests using two different mada(R1-bioball. R2-bioball) fixed biofilm reactors, investigated the efficiencies as pretreatment of drinking water, and identified the connecting possibilities of membrane treatment as posttreatment. As results of 100 days monitoring under different HRT (2, 4, 6 hr), organic compound removal of two reactors showed 38.5 % and 34.3 % in spite of increasing 8 to 10 times of loading rate, the color, turbidity, and chloropyll-a also showed higher removal 78.0 % to 94.9%. Therefore, the application of fixed biofilm is proved effective pretreatment process of removing color, turbidity, algae (chloropyll-a) as well as organic compounds. And also, as results of connecting possibility with membrane process (UF and NF). TOC and turbidity removals in UF system showed 45.4% (R1) and 40.2 % (R2); 98.5 % (R1) and 98.3% (R2), respectively, those in NF system showed 59.4% (R1) and 53.4 % (R2); 99.2 % (R1) and 99.1 %, respectively. In spite of conventional drinking water treatment system, combination of fixed biofilm and membrane system would be used to water purification system on pretreatment and posttreatment. |