Abstract
This paper proposes an adsorption-based method of removing sulfur dioxide from the flue gases produced by the thermal power plant. A power plant waste – chemical water treatment sludge available at Kazan CHPP-1 – was used as an adsorption material. Presented here is the chemical composition of the chemical water treatment sludge for a modified sorption material to be designed therefrom. The new sorp-tion material was trial tested for removal of sulfur dioxide from gases. This resulted in kinetic dependence and adsorption isotherm. The test results were then used to design the adsorber. The economic and envi-ronmental effect of using the chemical water treatment sludge as the sorption material was calculated.
Highlights
One of the issues that the power industry faces is the large volumes of gas emissions containing harmful gas components, namely sulfur dioxide
This paper proposes to use dried chemical water treatment sludge produced by Kazan CHPP-1 as a sorbent for gas emissions
A dummy installation with a fixed pelletized sorption material (PSM) bed made at the Department of Water and Fuel Technology of the Kazan State Power Engineering University was used for studying the sorption properties of PSM in a gas atmosphere that is close in composition to the flue gases produced by TPPs (Figure 1)
Summary
One of the issues that the power industry faces is the large volumes of gas emissions containing harmful gas components, namely sulfur dioxide. Performance indicators of adsorption treatment of gas emissions depend on the properties of adsorbents, the choice of which is determined by the power consumption and material costs of cleaning [2].
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