№9|2013

DRINKING WATER SUPPLY

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UDC 628.11:504.064

KINEBAS A. K., NEFEDOVA E. D., Gvozdev V. A., Portnova T. M., Zaichouk А. А.

Operating and developing water quality monitoring systems to ensure the safety of water supply

Summary

In 2006 a system of water supply safety management was introduced at the SUE «Vodokanal of St. Petersburg» facilities. The system includes: water sources biological monitoring stations operating on the basis of variational crayfish pulse metering; automatic stations of continuous environmental monitoring; equipment system for detecting accidental oil spills in the Neva River water area; carrying out semiquatitative rapid tests of toxic substances; emergency sampling and analyzing water samples in case of toxic pollution hazard; systems of dozing powdered sorbents to remove water pollutants. To ensure continuous automatic monitoring, timely detection and identification of toxic substances a set of remote optical loggers and fluorimetrical flow-through instruments is used. The automatic plant for preparing and dozing powdered activated carbon includes: a big-bag emptying unit, a unit for activated carbon storing and pumping with the help of a compressor and an injector for dry product; a unit for sorbent preparing and dozing. Introducing the principle of timely detection and identification of toxic substances in water intakes, particularly with the use of online monitoring, allowed improving the responsiveness to the changes in the incoming water quality and ensuring the safety of the municipal water supply.

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REFERENCES

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