Scenedesmus sp.를 이용한 하수의 영양물질 제거에 관한 연구

A Study on the Nutrient Removal of Wastewater Using Scenedemus sp.

  • 이희자 (서울시립대학교 환경공학과)
  • 발행 : 1999.08.01

초록

This paper describe the working of algal culture system under batch and continuous feeding effluents in biological treatment process. The main objective of this study was the determination of fundamental opeating parameters such as dilution rates, light intensity, biomass concentration, nutrients contents, which engender an effective nutrient and organic waste removal process. The results of this research indicate that the algae system will remove effectively nutrient and organic waste. In batch cultures, 91.8% dissolved orthophosphate and 83.3% ammonia nitrogen were removed from the sewage in ten days. In continuous flow systems, a detention time of 2.5 days was found adequate to remove 91% T-P, 87% T-N and 95% $NH_3-N$. At 22-28$^{\circ}C$, 60 rpm, with an intensity of 3500 Lux, the specific growth rate, k was 0.59/day in batch experiments. The optimal growth temperature and nutrients rate (N/P) were respectively $25^{\circ}C$ and 3~5. With an abundant supply of untrients, it was possible to sustain substantial population densities in the temperature range of 22~28$^{\circ}C$.

키워드

참고문헌

  1. Wastewater Microbiology Gabriel Bitton
  2. Water Research v.13 Phosphorus Removal by Activated Algae Michael D. Doran
  3. Water Research v.13 Outdoor Algal Mass Culture Joel C. Goldman
  4. 수질오염공정시험방법 정우용
  5. Standard Methods for the Examination of Water and Wastewater(19th Edition) Andrew, D.E.
  6. 환경미생물 실험법 김주영