Hugo F. Ramalho

Adulteration of diesel/biodiesel blends by vegetable oil as determined by Fourier transform (FT) near infrared spectrometry and FT-Raman spectroscopy

Flavia C. C. Oliveira, Christian R.R. Brandão, Hugo F. Ramalho et al. · Analytica Chimica Acta · 2007 · 124 citations

Food Chemistry, Fourier Transform, Biofuel Production +5

Tetramethylguanidine covalently bonded onto silica gel surface as an efficient and reusable catalyst for transesterification of vegetable oil

Elaine A. Faria, Hugo F. Ramalho, Jéssica Marques et al. · Applied Catalysis A General · 2008 · 71 citations

Silica Gel Surface, Chemical Engineering, Engineering +9

Biphasic hydroformylation of soybean biodiesel using a rhodium complex dissolved in ionic liquid

Hugo F. Ramalho, Karlla M. C. Ferreira, Paula M. A. Machado et al. · Industrial Crops and Products · 2013 · 22 citations

Ionic Liquid, Chemical Engineering, Rhodium Complex +5

Acylation of epoxidized soybean biodiesel catalyzed by SnO/Al 2 O 3 and evaluation of physical chemical and biologic activity of the product

Renato S. Oliveira, Paula M. A. Machado, Hugo F. Ramalho et al. · Industrial Crops and Products · 2017 · 16 citations

Sno/al 2, Chemical Engineering, Epoxidized Soybean Biodiesel +5

Production of Additives with Antimicrobial Activity via Tandem Hydroformylation-amine Condensation of Soybean FAME Using an Ionic Liquid-Based Biphasic Catalytic System

Hugo F. Ramalho, Karlla M. C. Ferreira, Paula M. A. Machado et al. · Journal of the Brazilian Chemical Society · 2015 · 11 citations · Full text