Separation and energy efficiency of packed apparatuses for purifying gases from aerosols


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Abstract

A mathematical model of the turbulent transport of liquid aerosol particles has been considered using an approach in which the transport of a finely dispersed phase is conditionally described as a diffusion process with mass-transfer theory equations. The main parameter in this formulation is the coefficient of the velocity of particle transport (turbulent migration), which is an analogue of the mass transfer coefficient. The use of flow pattern models with a bulk source of the mass of sedimenting particles in a random packed bed and wire-mesh demisters is demonstrated. The equations for calculating the separation zone length and the process efficiency have been derived with allowance for the inlet section and the back mixing of the gas flow. Some calculation results are given for the aerosol separation efficiency and the energy coefficient compared with experimental data.

About the authors

A. G. Laptev

Kazan State Power Engineering University

Author for correspondence.
Email: tvt_kgeu@mail.ru
Russian Federation, ul. Krasnosel’skaya 51, Kazan, Tatarstan, 420066

M. M. Basharov

AO TANECO, Nizhnekamsk

Email: tvt_kgeu@mail.ru
Russian Federation, Tatarstan, 423570

E. A. Lapteva

Kazan State Power Engineering University

Email: tvt_kgeu@mail.ru
Russian Federation, ul. Krasnosel’skaya 51, Kazan, Tatarstan, 420066

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