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[Case Study] On-site Composting Project

Reduced costs of green waste by 7 million yen! A case study of CO2 reduction effects and decreased environmental impact.

We would like to introduce a case study of the implementation of the "BES System" for composting green waste using beneficial microorganisms at H Park in Gifu Prefecture. Green waste, which could only be incinerated before, is now processed through biodegradation using beneficial microorganisms, including bio bacteria. As a result, it can be managed without using heavy oil, leading to significant cost reductions. By converting what was previously a negative aspect of green waste disposal into biofertilizer, it becomes a resource that supports plant growth. In this case study, the cost of green waste, which was nearly 10 million yen annually, has been reduced to 3 million yen. Additionally, the effect of CO2 reduction is substantial, contributing to a decrease in environmental impact. [Overview] ■ Before Implementation - Annual green waste: 1,000 tons; waste disposal (incineration) cost: 60,000 yen/ton = 60 million yen - Estimated CO2 emissions (from heavy oil incineration) ■ After Implementation - Annual green waste: 1,000 tons; bio bacteria ecosystem processing cost: 10,000 yen/ton = 10 million yen - Estimated CO2 emissions (from heavy machinery usage + CO2 generated during decomposition) - amount absorbed by plants using biofertilizer *For more details, please refer to the PDF document or feel free to contact us.