The main response to rapid changes in salinity is the release of cellular material, following the outbreak
of the bacteria, resulting in an increase of soluble COD (Kincannon and Gaudy, 1968).
To confirm the results obtained from the respirometric tests, proving that no inhibition is detected for a
salinity between 1 and 5 g / l, a microscopic examination is to establish a larger image (100 ×) using a
microscope-type OPTECH assisted by a camera (Fig .8) no dispersion or deflocculation of floc was
displayed and no outbreak of the bacterial cell was observed, some microorganisms are still mobile after
the addition of 5 g / l of NaCl