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NTIS 바로가기청정기술 = Clean technology, v.24 no.2, 2018년, pp.87 - 98
전슬기 (한림대학교 환경생명공학과.에너지환경연구소) , 신현아 (한림대학교 환경생명공학과.에너지환경연구소) , 김동진 (한림대학교 환경생명공학과.에너지환경연구소)
Phosphorus (P) is an essential and irreplaceable element for all living organisms, and it is widely used as a fertilizer. Unfortunately, it is estimated that phosphate reservoir is depleted within about 100 years. Sewage sludge ash (SSA) is an alternative resource for P recovery because of its high ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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peak phosphorus란 무엇인가? | 인 생산량은 ‘static paradigm’에 의해 현시점에서 어느 지점까지 최대치에 도달하였다가 천천히 감소할 것으로 예상되는데 이를 ‘peak phosphorus’라 한다. Peak phosphorus의 계산은 인광석 매장량의 추정치를 기반으로 Global Phosphorus Research Initiative (GPRI)에 의해 계산되고. | |
퇴비화와 에너지 회수 방법의 문제점은 무엇인가? | 에너지 회수방법은 3,000~5,000 kcal kg-1의 발열량을 갖는 탈수 슬러지를 주로 발전 및 난방용 연료로 사용하는 방법이다. 하지만 이러한 방법들을 슬러지에 유해물질이 존재할 경우 퇴비화 후에도 유해물질이 잔류할 가능성이 높고, 연료로 이용할 경우에는 배가스로 유해물질이 배출될 우려가 높다. | |
인(Phosphorus, P)의 생물학적 중요성은 무엇인가? | 인(Phosphorus, P)은 살아있는 모든 생물에게 없어서는 안될 필수적인 원소로 핵산(DNA, RNA)을 구성하고 생물의 에너지 및 생화학적 대사에 이용된다[1-4]. 그리고 인은 다른 원소로 대체할 수 없는 특성을 지니고 있다. |
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