ゴミ回収に使用される生分解性プラスチック製ゴミ袋の土壌中での分解
Year: 2008
Type: article
Abstract: [Synopsis] Using of biodegradation bag will be one of the essential of recycle system in regional network. Because of collected garbage directly input into the compost plant. When the mixture of the biodegradation bag and garbage in compost process, the microorganisms, as fungi and bacteria, decompose the bag to small molecules with mass garbage. Recently, biodegradation polymer make of poly-lactate and starch prepared from plant materials. Actually, the people are using the starch based biodegradation bag in Kuriyama town, Hokkaido for recycling of organic waste for making of acompost. Now, there is the compost plant in this town and the produced composts are using by local farmer. The biodegradation process of the 2 different type bags, clear and white printed with yellow color letters were evaluated by buried in the soil. As the results, it was not sufficiently to decompose them during 9 month in the soil. But clear one was better decomposed than other one. And then, the decomposition area was observed by SEM and was recognized a lot of decaying regions on the film and microorganisms. Though, there is different between test condition and compost plant, it is necessary to evaluate under composting process mimic condition. In this survey, the decomposition of them was not sufficient in a year.
Language: Japanese
Subfield: Biomaterials
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7208476737