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日本石炭技术研究所在大阪市西淀川区建立了一座利用煤炭作为过滤剂处理城市污水的试验厂,初步获得了成功。这座试验厂占地面积36×84米,工艺流程见下图。
The Japan Institute of Carbon Technology has set up a pilot plant that uses coal as a filter to treat municipal wastewater in the Xidan River District of Osaka City and has achieved initial success. The pilot plant covers an area of 36 × 84 meters, the process shown in the following figure.