摘要：In the cultivation of green algae Chlorella with hard polluted river water in Nagoya City cell numbers became 105-6/ml. This cultivated water is called as"algae water"by the author. This Chlorella in"algae water"was able to live until pH 3 in a low pH zone, and until 0.5 ppm of Cu2+, until 1.0 ppm of Pb2+, Zn2+, Ni2+ and Cr6+ for more than two days without any influence. These metals are contained in a plating waste. Limits of added waste volume to the"algae water"for living of green algae was 1/10 volume at the gas work, 1/20 volume at the plating factory, and 1/5 volume at the milling factory. These Facts show a part of information about the resistance of micro planktonic green algae against wastewaters.
