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Table 4 The effect of different CO 2 concentrations supplied by flue gas (Fl) and one concentration supplied by pure liquid CO 2 gas (C) on pH and dry weight concentration (n=3, ±SE) after four days of C. reinhardtii grown in daylight or 70% daylight (shaded)

From: The effect on growth of Chlamydomonas reinhardtii of flue gas from a power plant based on waste combustion

    Dry weight increase
CO2treatment Light pH Dry w. (mg l-1) g m-2day-1 g mol-1
2.6% C Shaded 7.19±0.1 815±45 11.6±0.6 1.00±0.06
2.6% C Daylight 7.1±0.0 762±43 12.4±0.7 0.72±0.04
2.5% Fl Shaded 7.1±0.1 960±18 14.3±0.7 1.23±0.06
2.5% Fl Daylight 7.1±0.1 935±45 14.6±0.3 0.85±0.02
6.7% Fl Shaded 6.8±0.1 867±83 11.9±0.7 1.03±0.06
6.7% Fl Daylight 6.7±0.1 780±46 13.2±1.3 0.76±0.07
11.4% Fl Shaded 6.5±0.1 792±32 12.1±0.6 1.05±0.05
11.4% Fl Daylight 6.4±0.2 797±41 12.1±0.5 0.70±0.03
F-value and significance level:
CO2   110*** 5.14* 5.14* 5.31**
Light   3.00 1.49 1.49 79.9***
CO2 x Light   1.00 0.36 0.36 0.63
  1. The mean productivity during the four days of the experimental period was calculated as g dry weight production per m2 and day and as g dry weight produced per mol of photosynthetic active radiation.
  2. For significance levels see Table 2 footnote.