I.1.
Introduction
Climate-related topics belong to the most complicated, but the most
important problems of modern life sciences research, especially
climatology, meteorology and ecology. In fact, the climate is one of
the most important factors that determine the nature and functioning
of whole ecosystems and human societies. In recent years, changes in
the Earth’s climate have become the subject of interest to many
societies and nations of the world. [1].
In the end of the twentieth century, there are a new challenges for
the organization of environmental care. The environment began to be
recognized as a strategic source for raw materials. Therefore, there
was a particular need to develop new technologies which decrease the
pollutants emissions introduced into environment.
One
of the most important pollutants is CO2
which is formed mainly during burning fuels in power plants. New
technologies are searched which could apply CO2
as raw material and thus remove it from the environment. On of such
technologies is carbon dioxide hydrogenation.
The
aim of this work was to study new catalysts based on ZnO-La2O3
and ZnO-Ga2O3
supports. The tasks undertaken were: (i) preparation of the catalysts
(ii) their characterization and (iii) the characterization of
catalytic performance.
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