Volume 121, Number 4, February 2018
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||20 April 2018|
The bubble method of water purification
Joint Institute for High Temperatures of RAS - 13, bldg. 2 Izhorskaya str., Moscow, 125412, Russia
Received: 5 February 2018
Accepted: 31 March 2018
The processes of water purification from admixture molecules are analyzed. The purification rate is limited due to a low diffusion coefficient of the admixture molecules in water. At non-small concentrations of the admixture molecules, the water purication can proceed through association of molecules in condensed nanoparticles which fall on the bottom of the water volume. The rate of association may be increased in an external electric field, but in reality this cannot change significantly the rate of the purification process. The bubble method of water purification is considered, where air bubbles formed at the bottom of the water volume, transfer admixture molecules to the interface. This method allows one to clean small water volumes fast. This mechanism of water purification is realized experimentally and exhibits the promises of the bubble purification method.
PACS: 82.70.-y – Disperse systems; complex fluids / 81.10.Bk – Growth from vapor / 68.55.A- – Nucleation and growth
© EPLA, 2018
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