PL EN
Use of Metal Oxide-Modified Aerated Concrete for Cleaning Flue Gases from Carbon Monoxide
 
Więcej
Ukryj
1
Department of Ecology and Technology of Plant Polymers, Faculty of Chemical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremohy Ave. 37/4, Kyiv, 03056, Ukraine
2
Department of Catalytic Synthesis of Single-Carbon-Based Molecules, L.V.Pisarzhevsky Institute of Physical Chemistry, National Academy of Sciences of Ukraine, Nauky ave., 31, Kiev, 03028, Ukraine
3
Department of Chemical, Polymeric and Silicate Mechanical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremohy Ave., 37, Kyiv, 03056, Ukraine
AUTOR DO KORESPONDENCJI
Yuliia Nosachova   

Department of Ecology and Technology of Plant Polymers, Faculty of Chemical Engineering, Igor Sikorsky Kyiv Polytechnic Institute, Peremogy Avenue 37/4, 03056 Kyiv, Ukraine
Data publikacji: 01-05-2021
 
J. Ecol. Eng. 2021; 22(5):104–113
 
SŁOWA KLUCZOWE
DZIEDZINY
 
STRESZCZENIE
The necessity of development of technical solutions that will allow to reduce carbon monoxide emissions of flue gases of industrial productions is substantiated. It is shown that the most rational design solution to the problem of carbon monoxide pollution during the firing of electrode blanks is the use of aerated concrete blocks with a catalyst, which can be quickly and conveniently located directly on the carbon material of the "green" electrodes pouring in the subfloor space of the firing furnaces. Modified by oxides of Mn4+, Fe2+, Fe3+, Cu2+, Cr3+ -catalysts based on aerated concrete were obtained. It is shown that in an empty reactor in the temperature range 200 – 400 ºС the degree of conversion of carbon monoxide in the absence of a catalyst is zero. It is established that on the investigated catalysts based on aerated concrete 100% oxidation of carbon monoxide is achieved at a temperature of 390 ºC in the case of using a mixture of catalyst powders 30 % CuO + 70 % MnO2, 40 % CuO + 60 % MnO2, 50 % Fe (FexCr1-x) 2O4 + 50 % MnO2; 50 % Fe3O4 + 50 % MnO2. It is determined that the addition of ferrite catalyst powder in aerated concrete in a mixture or without manganese dioxide does not critically affect the mechanical properties of the products.