Application of subacid cationites for water conditioning in baromembrane demineralization

Authors

  • Ірина Миколаївна Макаренко National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056, Ukraine
  • Олена Володимирівна Глушко National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056, Ukraine
  • Володимир Володимирович Рисухін LLC «Technology of the nature» Alchevsk, Moskovskaya St. 4а, 94204, Ukraine
  • Оксана Миколаївна Терещенко National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.14810

Keywords:

ion exchange, cationite, demineralizatio, , nanofiltration, permiat, concentrate, regeneration

Abstract

The article presents the results of studies on the stabilization treatment of water before the baromembrane demineralization. It was shown that subacid cationites in the acid form provide a complete reduction of alkalinity of water with its partial softening, and strongly acid cationites in the sodium form provide deep water softening without reducing its alkalinity. Ionites in a salt form provide effective neutralization of acidified aqueous solutions, including permiates and filtrates transferring the subacid cationites to the acid form. It was found that subacid cationites in calcium (magnesium) form are almost not regenerated by sodium chloride solutions in neutral and subacid medium. It was shown that the strongly acid cationite effectively adsorbs hardness ions with sodium ions concentration up to 143 mg-ekv/dm3, but at the same time it is effectively regenerated by 5-10% sodium chloride solutions

Author Biographies

Ірина Миколаївна Макаренко, National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056

Candidate of Technical Sciences, research associate

Chair of ecology and technologists of vegetative polymers

Олена Володимирівна Глушко, National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056

Candidate of Technical Sciences, docent

Chair of ecology and technologists of vegetative polymers 

Володимир Володимирович Рисухін, LLC «Technology of the nature» Alchevsk, Moskovskaya St. 4а, 94204

Director

Оксана Миколаївна Терещенко, National technical university of Ukraine «The Kiev polytechnical institute» Pobedy Ave. 37, Kiev, Ukraine, 03056

Candidate of Technical Sciences, docent

Chair of ecology and technologists of vegetative polymers 

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Published

2013-06-19

How to Cite

Макаренко, І. М., Глушко, О. В., Рисухін, В. В., & Терещенко, О. М. (2013). Application of subacid cationites for water conditioning in baromembrane demineralization. Eastern-European Journal of Enterprise Technologies, 3(6(63), 48–52. https://doi.org/10.15587/1729-4061.2013.14810

Issue

Vol. 3 No. 6(63) (2013): Technologies of organic and inorganic substances

Section

Technology organic and inorganic substances

License

Copyright (c) 2014 Ірина Миколаївна Макаренко, Олена Володимирівна Глушко, Володимир Володимирович Рисухін, Оксана Миколаївна Терещенко

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