RENEWABLE ENERGY SOURCES, DRYING AND SUSTAINABLE DEVELOPMENT
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Sustainable development, energy efficiency, use of renewable energy
sources and protection of the environment are of greatest current interest at the start
of this century. The first energy crisis in 1973 showed that conventional energy
sources are limited. The knowledge that energy consumption is greatly the cause of
emission of SO2, NOx and CO2 pollutants initiate worldwide investigation of
technologies and production of systems using renewable energy sources
representing ecologically clean energy sources with no pollutants and harmful
influences. The most important role of renewable energy sources is reducing the
greenhouse effect, increasing energy safety and the opportunity for opening of new
work places in small and medium enterprises. In this paper a short review of
alternative energy sources from the viewpoint of sustainable development, energy
efficiency and protection of the environment is given including the role of the
drying process technology in sustainable development through: reduction of energy
“consumption”, drying source bio-fuel, solar drying, drying in order to prevent
resource “losses”, drying to protect the environment etc.