№8|2016

DRINKING WATER SUPPLY

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UDC 628.16.027:628.543

Egorova Yu. A., Kichigin V. I., Polst'ianov S. N., Nesterenko O. I.

Study of the technologies of wash water treatment  from contact clarifiers

Summary

The results of the laboratory studies of twelve flocculant kinds used for wash water treatment from contact clarifiers are presented. The optimal dosages of flocculant were determined. Two of the flocculants studied were selected that could ensure the maximum degree of water clarification at the minimum concentration of residual aluminium, residual polyacrylamide and suspended solids in water. It was stated that the sludge generated during water clarification had 99.9% moisture content. It was proved that Flopam FO 4240 PWG and Маgnafloc LT-22S flocculants ensured good sedimentation of pollutants present in wash water. Possible use of chemical and chemical free filtration in «Fil’tr Polimernyi» manufactured by «Samenviro» LLC as well as of membrane filtration in UNA-620A hollow fiber module (based on Microza® pressure membranes) in a pilot plant rendered by «Pall Evrasia» LLC was considered.

Key words

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