하수슬러지 소각재 중의 인 회수방법의 사례 연구 = Reviews on the Phosphorus Recovery from Incinerated Sewage Sludge Ash

국문 초록 (Abstract)

본 연구는 하수슬러지 소각재에 비교적 높은 함량으로 존재하는 인을 회수하기 위한 국내외 사례를 조사한문헌연구로서 습식방법 및 열화학적 방법에 의한 인의 회수 및 중금속 제거와 관련한 실험조건과 영향인자 등을논의하였다. 하수슬러지 소각재의 인 회수 기술 상용화를 위해서는 인 회수과정에서 발생되는 폐수, 잔재물의처분, 첨가 약품과 에너지 소모의 최소화 등 전체 시스템의 경제성 측면에서 소각시설과 연계한 집적처리공정이바람직할 것으로 판단된다.

다국어 초록 (Multilingual Abstract)

This study is a literature review on the recovering phosphorus from Incinerated Sewage Sludge Ash(ISSA), which has relatively high content of phosphorus. Experimental conditions and influencing factors related to the recovery of P and removal of heavy metals by wet and thermochemical methods were discussed. For the practical application of the recovery of P from ISSA, an integrated process linked to incineration facilities is required in terms of economy from the perspective of the entire system including disposal of wastewater and residues generated during the recovery process, and minimizing added chemicals and energy consumption.

목차 (Table of Contents)

• 1. 서 론 2. ISSA의 물리화학적 특성 3. 습식방법에 의한 ISSA로부터의 인 회수 4. 열화학적 방법에 의한 ISSA로부터의 인 회수 5. 회수된 P의 고순도화와 생물이용도 평가 6. ISSA로부터 P 회수 후 잔재물 처분 7. 결 론

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