Abstract
Latin America possesses expansive natural resources, which has attracted scientists from several areas to study means of improving the use of these resources. Supercritical fluids have been used for such purposes in many technological applications. Therefore, this paper provides an overview of Latin America scientific findings on supercritical technologies. Web of Science and Scopus were used as reference databases to search for information dated from 2004-2013. The Latin-American studies were classified into 6 main areas: extraction & mathematical modeling (57%), emerging applications (15%), thermodynamics & fundamentals (9%), reviews & perspectives (8%), reactions in supercritical media (7%) and analytical applications (4%). A compilation of scientific documents from 1994-2003 indicates that supercritical technology has progress greatly over the last 10 years in the major scientific countries in Latin America, such as Brazil, Argentina, Chile, Mexico and Colombia. These advances are associated with the development of new research subjects. Emerging applications, such as micronization and the encapsulation of nanoparticles, adsorption processes, gas sensors development, power generation and bioresidue hydrolyzation, are reported.
Highlights
Researches done in Latin America have been responsible for 2.5% of the worldwide publications in supercritical technology area until 2010
In the past three years (2010-2013), the efforts done by the Latin-American scientists and the new applications of supercritical fluids expanded the Latin America contribution up to 4.8% of the worldwide publications
To evaluate the importance of processes involving supercritical fluids in obtaining value-added products, the investigations performed in the related countries were classified into nine groups: extraction, analytical applications, fundamental and thermodynamic studies, energy applications, reactions in supercritical fluids, materials and micronization, review and perspectives, petroleum applications and economics
Summary
Researches done in Latin America have been responsible for 2.5% of the worldwide publications in supercritical technology area until 2010. HPLC analysis of supercritical carbon dioxide and compressed propane extracts from Piper amalago L. with antileishmanial activity. Supercritical fluid extraction of grape seed: Process scale-up, extract chemical composition and economic evaluation. Extraction of canola seed (Brassica napus) oil using compressed propane and supercritical carbon dioxide. Extraction of sesame seed (Sesamun indicum L.) oil using compressed propane and supercritical carbon dioxide. Supercritical fluid extraction of peach (Prunus persica) almond oil: Process yield and extract composition [68]. Supercritical fluid extraction from dried banana peel (Musa spp., genomic group AAB): Extraction yield, mathematical modeling, economical analysis and phase equilibria. Chemical characterization and phase behaviour of grape seed oil in compressed carbon dioxide and ethanol as co-solvent [85]. Extraction of phenolic fraction from guava seeds (Psidium guajava L.) using supercritical carbon dioxide and co-solvents. Stability of ethyl esters from soybean oil exposed to high temperatures in supercritical ethanol
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