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3 Ars Separatoria Acta

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The vortex activation method of reagent water treatment

Laguntsov N., Kim V., Krasnov P., Neshchimenko Y., Borisenko M., Odintsov A., Fartunin A.

Ars Separatoria Acta

2006

No. 4

57-66

The experimental study on vortex activation method of reagent water purification from oil products and suspension particles using the alumosilicon flocculant-coagulant (ASFC) was made. The numerical model of water purification was suggested according to Smoluhovsky theory of coagulation kinetics.

Encapsulated di-2-ethylhexylphosphoric acid: synthesis, dispersity and extraction properties

Feklistov D., Laguntsov N., Penkina Y., Kim V.

Ars Separatoria Acta

2004

No. 3

40-50

Encapsulation of di-2-ethylhexylphosphoric acid was carried out by ionic complex of gelatine with cetyltrimonium bromide. Dispersity of obtained microcapsules at various extractant and oil phase contents was determined by optical microscopy and dynamic light scattering measurements. It was found that kinetic parameters and efficiency of iron removal from aqueous medium by encapsulated extractant is more attractive in comparison with the results of liquid or membrane extraction.

Experimental study of the membrane contactor systems for gas dehumidification

Usachov V., Laguntsov N., Okunev A., Teplyakov V., Glukhov S.

Ars Separatoria Acta

2003

No. 2

36-46

The paper presents a pilot active membrane contactor system (AMCS) description and experimental results for air dehumidification. Triethyleneglycol was used as a hygroscopic liquid carrier. Polydimethylsiloxane based membranes (Lestosil) were used in a spiral wound membrane contactor. The experiments with AMCS demonstrated effective air-drying under a high ratio-feed gas flux/liquid carrier flux (10²-10³). The developed contactor system allows to achieve air dehumidification up to Tdew point= –20 °C.