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Biologiczne aspekty oczyszczania wód popłucznych w akcelatorze

Falkus B., Handzik A., Powązka E.

Ochrona Środowiska

2000

nr 2

31-33

The use of accelators for the treatment of washing water in waterworks has become increasingly frequent. The study reported in the present paper was carried out in the Waterworks of Dziećkowice (Upper Silesia, Poland). The objective was to investigate the biological effects which were due to the accelator, where the water was treated by alum coagulation (with aluminium sulphate doses ranging between 10 an 20g/m3). Samples of raw water, after the sedimentation tank, and washing water were collected once a week from March till October 1999. Inoculation was carried out on agar at 37 st. C and 20 st. C for 24 and 72 h, respectively. The counts of phytoplankton organisms and the physicochemical parameters of the water were established. As shown by the results of micro- and hydrobiological examinations, alum coagulation in the accelator reduced considerably the numbers of bacterial colonies and plankton organisms in the washing water. And this means that the water from filter washing - after suitable treatment in the accelator - can be reused and feed the technological train.