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염성배,임원구,이창환 홍익대학교 산업기술연구소 2000 産業技術 Vol.10 No.-
The change of the culture in dietry life and the population centralization to the cities increase the amount of food wastes of the cities. Then the economical and efficient treatment of food wastes become a great social problem. In this study, we intended to seek the recycling way of food waste as fertilizer and feed of beast through chemical and physical analysis on its component. The conclusions of this study is as follow. 1. The ratio of C/N is about 10 and the weight percentages of K, N, P, are 0.97, 1.0, 4.5 respectively. Then we must add rice bran and sawdust as subsidizing material to the food waste. 2. The legal permitted limit of salt is 2.5%, and the average salt content in food waste is 3.3% then we must reduce the salt concentration of food waste. 3. The value of SAR of food waste is 4.4%.