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논문 기본 정보

자료유형
학술저널
저자정보
유장연 (한국해양과학기술전문대학교) 알피이마누엘 (한국해양대학교) 김억조 ((주)영동엔지니어링) 장재수 (한국해양대학교) 고성철 (한국해양대학교)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제34권 제5호
발행연도
2017.1
수록면
490 - 499 (10page)

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Spent coffee grounds, activated sludge, chicken manure, and agricultural waste-derived biochar were used tomanufacture eco-friendly and functional compost via the bioaugmentation of white rot fungus and plant growth thatpromotes beneficial microorganisms. Six lab-scale composting reactors were established to perform composting. Aftercomposting was completed over 45 days, the composts were analyzed for major elements, physico-chemicalcharacteristics, compost maturity, and compost effectiveness on crop growth and quality. Concentrations of T-N and PO43−significantly increased in the composts that had been amended with biochar and/or white rot fungus compared to thecontrol, while those of NO3−-N, TOC and TOC/T-N had significantly decreased, indicating the occurrence of effectivecomposting. Besides, the germination indices of these composts were also generally higher than the control by 10-34%,indicating that the composts were mature. The four composts amended with biochar and/or white rot fungus (TR-3, TR-4, TR-5, TR-6) also appeared to stimulate more growth in lettuce compared to commercial organic fertilizers (by 36-104%). Besides, composts TR-3 and TR-4 respectively enhanced DPPH scavenging activity in lettuce leaves by 58% and49%, while TR-4 and TR-5 respectively enhanced the total phenolic content (TPC) by 44% and 37%. This implies thatthe amendment of biochar and the bioaugmentation of white rot fungus could facilitate the composting process for theproduction of quality functional compost that is able to enhance the antioxidant content in crops. Quality composts couldbetter compete with the commercially available fertilizers in the market, leading to the eco-friendly recycling of organicwastes such as spent coffee grounds, sludge, chicken manure, and agricultural waste

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