Tag:DYСLAR water dynamic clarification technology

№06|2015

ADVANCED TECHNOLOGIES AND EQUIPMENT

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UDC 628.339.066.1

Balaev I. S., Kemenov Iu. V., Murzin A. V., Spiridonov N. E., Balaeva L. I.

The experience of introducing DYСLAR  dynamic clarification technology  in natural and wastewater treatment

Summary

The experience of introducing innovative home dynamic clarification technology on the basis of dynamic clarifiers and dynamic clarifying filters in natural and wastewater treatment is described. The technology and relative equipment have been developed by the specialists of «Integrated Water Technologies» Company (Moscow). The principle of the dynamic clarifier operation is based on the technology of contact coagulation in a pressure filter with floating media. The specific feature of the dynamic clarifier is the availability of improved upper and lower drain-distributing devices and also granulated INERT media manufactured on the basis of polymer materials and characterized by high mechanical strength and, consequently, long lifetime. By the example of the Novokuznetsk aluminum smelter the results of industrial and storm wastewater treatment with the use of clarified effluent in the in-plant recirculation system are presented. By the example of a petrochemical plant (Pavlodar city, Kazakhstan) the experience of introducing a dynamic clarifying filter that combines in one apparatus the functions of a dynamic clarifier and a mechanical filter with heavy granular media is described. The advantages of using aluminium polyoxychloride as a coagulant compared with aluminium sulfate for DYСLAR technology are presented. The experience of introducing the given technology of water clarification confirms its undeniable advantages compared to the foreign prototypes and allows designating it as best available technologies.

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