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Outlook on catalytic technologies for sustainable development:
The Argentina case
Carlos R. Apesteguia
Renewable resources and renewable energy: A global challenge
0849396891
315-335
Ingles
impreso
Boca Raton, Florida
USA
M. Graziani, P. Fornasiero (Eds.),
CRC Press
12/20/2006
Argentina is a developing country requiring the sustainable economy
growth based in industrial development for improving the population
income. But industrial development may not be conceived without
sustainable chemistry, and protection of the environment and the
quality of life. Advanced research in catalysis is needed for
developing novel clean technologies into chemical design and
achieving these economic and environmental goals. In this work,
three examples of innovative catalytic processes developed by the
Argentinean academic community in the field of renewable resources,
clean technologies, and sustainable chemistry are presented. Two
examples deal with the use of solid catalysts for the synthesis of fine
chemicals. Traditionally, fine and speciality chemicals have been
produced predominantly by non-catalytic or homogeneously catalyzed
synthesis. But these processes have been characterized by the coproduction of large amounts of unwanted products, the use of toxic or
corrosive reagents and solvents, and harmful liquid catalysts.
New industrial strategies for fine chemical synthesis demand the use
of renewable raw materials and the replacement of liquid acids or
bases by solid catalysts. Precisely, the first example describes the use
of acid zeolites for replacing AlCl3 Friedel-Crafts catalyst in the gasphase synthesis of aromatic ketones from acylation of phenol. The
second example reports for the first time the development of
bifunctional solid catalysts for producing menthols from citral, a
renewable raw material, in a one-step process. Finally, the third
example illustrates the employ of catalytic technologies for promoting
a larger use of renewable low-value raw materials for production of
environmentally acceptable gasoline. Specifically, it is explored the
use of a two-step catalytic process for efficiently obtaining biodiesel
from non-edible acid materials such as frying oil, greases, tallow and
lard.
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