Phosphorus is one of the limiting nutrients for the growth of phytoplankton and algae and is therefore one of leading causes of eutrophication. Most phosphorous in water is present in the form of phosphates. Different technologies have been applied for phosphate removal from wastewater, such as physical, chemical precipitation by using ferric, calcium or aluminum salts, biological, and adsorption. Adsorption is one of efficient method to remove phosphates in wastewater. To find the optimal media for phosphate removal, physical characteristics of media was analysed, and the phosphate removal efficiency of media (silica sand, slag, zeolite, activated carbon) was also investigated in this study. Silica sand showed highest relative density and wear rate, and phosphate removal efficiency. Silica sand removed about 36% of phosphate. To improve the phosphate removal efficiency of silica sand, Fe coating was conducted. Fe coated silica sand showed 3 times higher removal efficiency than non-coated one.

1. 서 론
 2. 연구재료 및 방법
  2.1 연구재료 및 실험 방법
  2.2 분석방법
 3. 결과 및 고찰
  3.1 여재의 물리적 특성 평가
  3.2 여재의 종류 및 형태에 따른 인 제거 특성 평가
  3.3 철 코팅을 통한 규사의 인 제거 효율향상 평가
 4. 결 론
 사 사
 References

• 조은영(한국산업기술시험원 환경기술본부 환경융합기술센터, Environmental convergence technology center, Department of environmental engineering, Korea testing laboratory) | Eunyoung Jo
• 김영희((주)일신종합환경, 호서대학교 벤처전문대학원, Ilshin environmental Engineering Co. Ltd, Graduate School of Venture, Hoseo University) | Younghee Kim
• 박찬규(한국산업기술시험원 환경기술본부 환경융합기술센터, Environmental convergence technology center, Department of environmental engineering, Korea testing laboratory) | Changyu Park Corresponding author