Abstract
Private companies at 3 sites--in Tsuruga, Kanazawa, and Yamagata--have had success with artificial recharge wells. These sites are all on alluvial fan deposits. In regard to waste disposal into deep zones, some underground treatment of liquid wastes from petrochemical industries in the Setouchi district and other locations in Japan has been done. An experimental study has been made in the Hachimantai and Ootaki geothermal areas, where there has been underground injection of thermal saline water into production wells. Both these geothermal areas are used for electric generation by means of geothermal vapors. End_of_Article - Last_Page 1607------------
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