| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for treating a biodegradable plastic bag in which garbage is collected, which can produce good compost and can reduce the amount of residues to be discharged outside a composting facility. SOLUTION: The method for treating the biodegradable plastic bag containing the garbage is characterized in the garbage 13 collected by the biodegradable plastic bag is shredded and sorted by a selective shredding sorting device 1 and a material 13 primarily comprising the biodegradable plastic bag after garbage 14 has been sorted is decomposed by fermentation treatments 4, 5. The material 14 primarily comprising the garbage which has been shredded and sorted is subjected to fermentation treatments 9, 10 separately from the material primarily comprising the biodegradable plastic bag. Fermentation treatment of the material primarily comprising the biodegradable plastic bag can be performed with addition of compost.
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