環境工学総合シンポジウム講演論文集
Online ISSN : 2424-2969
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223 生ゴミからの乳酸原料の生成に関する研究 : 貯留過程における諸要因の検討
成田 純也汪 群慧柿本 幸司白井 義人尾川 博昭
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会議録・要旨集 フリー

p. 172-175

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In order to produce biodegradable plastics (poly lactic acid) from garbage, it is necessary to store garbage for some days in the system of garbage collection and transport through disposers and pipes. The effects of various factors (such as temperature, pH and aerobic / anaerobic storage) on the preservation and deodorization of garbage were investigated. The results of our investigation showed that the growth of putrefactive bacteria was inhibited, because the lactic acid fermentation during the storage led to a drop in garbage pH. It was proved that the optimum condition of storage was anaerobic storage at 5℃ with initial pH 3.43.
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