Promotion of Construction Sludge Recycling - Miyagino-ku, Sendai City
In the late 1990s, a recycling facility was established in Miyagino-ku, Sendai City, to process construction sludge and surplus soil. 100,000 tons of sludge and 200,000 tons of surplus soil are processed and recycled annually. In the 2010s, Kankyo Shisetsu Co., Ltd. introduced dewatering and drying technology, which greatly improved processing efficiency. In the 2020s, automation and AI-based quality control were introduced, and in FY2020, the actual processing volume reached 30,990 tons. Miyagino-ku is attracting attention as a national model region for a resource-recycling society and continues to contribute to the advancement of sustainable construction technology.
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