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신문지 첨가에 의한 음식쓰레기 퇴비화 과정 중 물질수지 및 퇴비의 성분
한종필(Jong Phil Han),박주원(Ju Won Park),서정윤(Jeoung Yoon Seo) 한국환경농학회 2000 한국환경농학회지 Vol.19 No.1
Waste newspapers was used as an amendment to adjust the moisture of household food wastes for composting. The mixture of household food wastes and waste newspapers was composted in an especially designed small home composter, where the early fed composting materials were discharged early. The temperature inside composting materials was influenced very much by that of outside, because the composter was not insulated. Accordingly, the higher the outside temperature was, the higher the decomposition rate was. The temperature inside composting materials did not reach to optimum, because the amount of composting materials added in the composter everyday was too little, and it caused too high water content of discharged compost after 15 weeks. Therefore, it was required that the composter must be insulated to maintain the higher temperature. The inorganic compounds(K₂O, CaO, MgO, P₂O_5) and heavy metals(Zn, Cu, Cr, Cd, Hg, As) were accumulated obviously in produced compost, when dry recycled compost was reused as the amendment for adjusting the moisture.