Abstract:

This paper reports the results of determination of fecal coliform bacteria and the content of residual chlorine in water samples collected from the outlet of sewage discharge before and aften treatment of the sewage in the Great Wall Station, Antarctica. Results indicate that before the treatment of sewage the number of fecal coliform bacteria was high, reaching 24000/1,but after treatment the decrease of the number of the coliform bacteria group was related to the addition of chlorine in sewage treatment. The more the addition of chlorine, the more the decrease in the bacterial number. In consideration of the fact that an excess of the concentration of residual chlorine may produce an impact on the nearshore ecology, attention should be paid as far as possible to the control of the quantity of the addition of chlorine in carrying out effective treatment of sewage.