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UDC 628.16.069

Fomina V. F., Fomin V. P.

The efficiency of low turbidity colored water treatment in dissolved-air flotation units

Summary

In order to ensure high quality drinking water at the Syktyvkar water treatment plant for the entire lifecycle of the facilities a number of process lines were constructed with different combinations of the primary treatment facilities: horizontal settling tanks, contact primary filters, dissolved-air flotation units. The treatment line with dissolved-air flotation with a capacity of 65,000 m3/day was commissioned in 2006. The evaluation of the plant efficiency during the commissioning and follow-up operation periods is given. The advantages of using the dissolved-air flotation technology for low turbidity colored water treatment in comparison with the operation of other treatment lines are given. The efficiency of coagulated water flotation clarification is comparable with filtration.

Key words

pressure flotation , low turbidity colored water , flotation clarification

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SPISOK LITERATURY

1. Fomina V. F. Ochistka malomutnykh tsvetnykh vod v usloviiakh Severa s ispol'zovaniem napornoi flotatsii: Avtoref. dis. ... kand. tekhn. nauk. – L., 1981.
2. Fomina V. F., Fomin V. P. Optimal'naia tekhnologiia podgotovki pit'evoi vody dlia g. Syktyvkara: Materialy 8-go Mezhdunarodnogo kongressa «Voda: ekologiia i tekhnologiia» «EKVATEK–2008» [elektronnyi resurs]. «Vodosnabzhenie». – M., ZAO «Firma SIBIKO Interneshnl», 2008.