Publications
30 results found
Torín-Ollarves GA, Trusler JPM, 2021, Solubility of hydrogen in sodium chloride brine at high pressures, Fluid Phase Equilibria, Vol: 539, Pages: 1-11, ISSN: 0378-3812
We report measurements of the solubility of hydrogen in pure water and in sodium chloride brine of molality 2.5 mol/kg at temperatures between 323.15 K and 423.15 K and at pressures up to about 40 MPa. The estimated expanded relative uncertainty of the hydrogen solubility at given temperature and pressure is 3%, with a coverage factor of 2. The new results, together with data from the literature for hydrogen solubility in water and brine, are used to construct a simple model to predict hydrogen solubility in water and sodium chloride brines as a function of temperature, pressure and salt molality.
Torin-Ollarves GA, Carmen Martin M, Segovia JJ, 2017, Thermophysical properties of 1,2,4-trimethylbenzene in admixtures with 1-butanol or 2-butanol at high pressures, JOURNAL OF CHEMICAL THERMODYNAMICS, Vol: 111, Pages: 41-51, ISSN: 0021-9614
Torin Ollarves GA, Chorazewski M, Grolier JPE, 2017, P, V, T- (High T & P) Calorimetry in the Petroleum Industry, 48th French Conference on Calorimetry and Thermal Analysis (AFCAT)
Efika EC, Contreras Quintanilla C, Torin Ollarves GA, et al., 2017, High-Pressure High-Temperature Phase Equilibria of Crude Oil + CO2, Petrophase 2017
Contreras Quintanilla C, Efika EC, Torin Ollarves GA, et al., 2016, Experimental and Modelling study of the HPHT Phase Equilibria of crude oil, 29th European Symposium on Applied Thermodynamics (ESAT 2017)
Torin Ollarves GA, Efika EC, Trusler JPM, 2016, Phase Behaviour of CO2 + Methylcyclohexane + N2, 29th European Symposium on Applied Thermodynamics (ESAT 2017).
Efika EC, Torin Ollarves GA, Al Ghafri SZS, et al., 2016, Experimental and Modelling Study of the Phase Equilibria of (CO2 + Methylcylohexane + N2) at High Pressures and Temperatures, American Institute of Chemical Engineers (AICHe) Annual Meeting
Grosu Y, Torin Ollarves GA, Grolier JPE, 2016, Thermal studies for thermodynamics without borders in crude oil technology and for energy storage working bodies, 71th American Calorimetry Conference, CALCON 2016
Torin Ollarves GA, Grosu Y, Grolier JPE, 2016, Advanced Thermodynamics in Crude Oil Technology and in Energy Storage Materials using PVT-Scanning Transitiometry, International Conference on Chemical Thermodynamics (ICCT)
Torin Ollarves GA, Grosu Y, Grolier JPE, 2016, Contribution of High T- And P- Scanning PVT-Calorimetry in Crude Oil Technology and in Energy Storage Materials Development, 47th French Conference on Calorimetry and Thermal Analysis (AFCAT)
Torin Ollarves GA, Segovia JJ, Martín MC, et al., 2015, Methodologies to Obtain Isobaric Thermal Expansions for simple fluids and biodiesels, Nineteenth Symposium on Thermophysical Properties
Torin Ollarves GA, Boyer SAE, Segovia JJ, et al., 2014, Isobaric thermal expansion at high pressure of environmentally sustainable new generation of biofuels: reliability between direct and indirect determination, 11th European Symposium on Thermal Analysis and Calorimetry (ESTAC-11)
Torin-Ollarves GA, Carmen Martin M, Chamorro CR, et al., 2014, Densities, viscosities, and isobaric heat capacities of the system (1-butanol + cyclohexane) at high pressures, JOURNAL OF CHEMICAL THERMODYNAMICS, Vol: 74, Pages: 153-160, ISSN: 0021-9614
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- Citations: 12
Torin Ollarves GA, Segovia JJ, 2014, Multi-technique contribution to molecular thermodynamics of fuels from simple fluids to biodiesels, ICCT-SaiChe Conference 2014
Torin Ollarves GA, 2014, Environmentally sustainable fuels: Thermophysical characterization of biofuels formulated from bio-butanol
Shortage of easily accessible fossil fuels makes the implementation of biofuels in the automotive field a priority. There are several possibilities to provide oxygenated additives from renewable sources to develop new generation of biofuels. In this context the knowledge of the thermophysical properties of such new fuels is of paramount necessity in particular to design the appropriate engines injectors. This study focuses on the thermodynamic characterization of new blends involving two alcohols, 1-butanol (usually considered as a second generation biofuel) and 2-butanol, with four reference hydrocarbons (each one from a representative group that constitutes a gasoline) and two biodiesels obtained from wasted vegetable oils. The properties of each one as a pure component and their mixtures with butanol have been studied. The selected experimental techniques used were a vibrating tube automated densimeter [1] to measure the densities with an uncertainty of ± 0.2% at temperatures up to 423 K and pressures up to 140 MPa, and an original automated flow calorimeter [2] to accurately measure isobaric heat capacities in the temperature range from 273 K to 333 K and in the pressure range from 0.1 MPa to 25 MPa with a ± 0.5% estimated uncertainty. Additionally, a scanning transitiometer [3] allowed to directly determining the isobaric thermal expansion with a ±2% estimated uncertainty, through temperature scans in the range from 273 K to 423 K and pressure scans up to 170 MPa.From densities and heat capacities as primary data measured over extended temperature and pressure ranges other important thermophysical properties can be obtained by derivation, like the isobaric thermal expansion and the isothermal compressibility. As a matter of fact, obtaining with good precision the three properties, molar volumes from densities, heat capacities and isobaric thermal expansions, using three independent experimental techniques present the great advantage to calc
Torin Ollarves GA, Boyer SAE, Grolier JPE, 2014, Advantage of calorimetric techniques to determine thermophysical properties over extended T and p ranges, CALCON 2014
Torin Ollarves GA, Martín MC, Chamorro CR, et al., 2014, Thermophysical properties of 1,2,4 Trimethyl-benzene with two butanols at high pressures, 27th European Symposium on Applied Thermodynamics (ESAT 2014)
Torin-Ollarves GA, Segovia JJ, Carmen Martin M, et al., 2013, Density, Viscosity, and Isobaric Heat Capacity of the Mixture (1-Butanol + 1-Hexene), JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 58, Pages: 2717-2723, ISSN: 0021-9568
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- Citations: 16
Torin Ollarves GA, Segovia JJ, Martín MC, et al., 2013, Determination of Joule-Thomson Coefficients of Biofuel Components, Thermodynamics
Torin Ollarves GA, Segovia JJ, Martín MC, et al., 2013, Metrología de Propiedades Termodinámicas De Biocombustibles: rho, Cp y alpha_p de Biodiesel, CEM – V Congreso Español de Metrología
Torin Ollarves GA, Segovia JJ, Villamañán MA, et al., 2013, Bio-diesel´s thermophysical properties by scanning transitiometry, AFCAT – 44ème Journée de Calorimétrie et d´Analyse Thermique
Torin Ollarves GA, Delgado Abad LM, Villamañán Olfos RM, et al., 2013, Caracterización Termodinámica de Biocombustibles: Mezcla binaria de un Biodiesel con un alcohol de segunda generación, CNIT – VIII Congreso Nacional de Ingeniería Termodinámica
Moreau Ortega A, Torin Ollarves GA, Chamorro Camazón CR, et al., 2013, Equilibrio líquido-vapor y entalpías de mezcla para la caracterización termodinámica de los biocombustibles, CNIT – VIII Congreso Nacional de Ingeniería Termodinámica
Torin-Ollarves GA, Segovia JJ, Carmen Martin M, et al., 2012, Thermodynamic characterization of the mixture (1-butanol+iso-octane): Densities, viscosities, and isobaric heat capacities at high pressures, JOURNAL OF CHEMICAL THERMODYNAMICS, Vol: 44, Pages: 75-83, ISSN: 0021-9614
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- Citations: 32
Torin Ollarves GA, Martín MC, Villamañán RM, et al., 2011, Thermodynamic Properties of the Binary Mixture 1-Butanol + 1-Hexene at High Pressures, Eighteenth Symposium on Thermophysical Properties
Torin Ollarves GA, Segovia JJ, Martín MC, et al., 2011, Heat capacities and densities of the binary mixture 1-butanol + cyclohexane up to 40 MPa, 25th European Symposium on Applied Thermodynamics (ESAT 2011)
Torin Ollarves GA, Sobrino García M, Martín González MC, et al., 2011, Nuevas técnicas de medida para la determinación de la viscosidad de mezclas de biocombustibles, Bilbao (Spain), VII Congreso Nacional de Ingeniería Termodinámica
Torín-Ollarves GA, Segovia JJ, Carmen Martín M, et al., 2011, Thermodynamic properties of second generation biofuels: Densities and excess volumes of binary mixtures containing 1-Butanol, Pages: 3550-3557
The use of biofuels is strongly promoted in the EU in order to reduce its dependency on petroleum products and CO2 emissions and to support the agricultural community. Due to the increased addition of a variety of biogenic products to fuels the quality of these products becomes more important requiring reference materials with well-characterized reference values. The accurate knowledge of the thermodynamic properties of the new fuel blends is needed. The 1-butanol is considered an alcohol of the second generation of biofuels, it has some advantages in comparison with ethanol such as a lower vapour pressure and higher heating values, quite similar to the gasoline. The thermodynamic behaviour of binary mixtures containing 1-butanol and hydrocarbons at different temperatures and pressures is reported.
Torin Ollarves GA, Segovia JJ, Martin MC, et al., 2010, Thermodynamic characterization of the mixture 1-butanol + iso-octane using a high pressure isobaric flow calorimeter and volumetric measurements, Second International Seminar on Engineering Thermodynamics of Fluids
Torin Ollarves GA, Segovia JJ, Martín MC, et al., 2010, Thermodynamic characterization of the mixture 1-butanol + iso-octane using a high pressure isobaric flow calorimeter and volumetric measurements, International Conference on Chemical Thermodynamics, Pages: FF-5P-41-FF-5P-41
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