The effect of the naphthenic ring on the VLE of (carbon dioxide + alkane) mixtures

Sima, Sergiu; Milanesio, Juan M.; Ramello, Juan Ignacio; Cismondi, Martín; Secuianu, Catinca; Feroiu, Viorel; Geană, Dan

doi:10.1016/j.jct.2015.07.018

Cited by 22 publications

(34 citation statements)

References 54 publications

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“…Os dados experimentais utilizados para a otimização e modelagem dos parâmetros de sistemas binários CO2 + hidrocarbonetos totalizaram 6 sistemas. As propriedades críticas, fatores acêntricos e demais parâmetros foram tomadas a partir da literatura [Pfohl et al (2000), Nasir et al (2015), Nagahama et al (1969), Gallegos et al (2006), Sima et al (2016)], sendo apresentados na Tabela 1 os dados com as respectivas referências, para todos os componentes utilizados.…”

Section: Metodologiaunclassified

“…Avaliando a Figura 1 é possível verificar que as combinações da EoS de PT com as regras de mistura apresentaram uma capacidade de predição do comportamento da fase liquida adequado, sendo os maiores desvios observados na região intermediária, os pontos mais destoantes para a região superior da curva são referentes aos sistemas CO2+ciclopentano e CO2+ciclohexano, o que pode indicar alguma tendência na obtenção dos dados experimentais obtidos em Sima et al (2016). A Figura 2 apresenta mais uma comparação, mas dessa vez para o comportamento dos dados obtidos pela EoS de PT com as regras de mistura e os dados experimentais obtidos na literatura para a fase vapor.…”

Section: Sistema T(k)unclassified

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Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Silva¹,

Pereira²,

Guirardello³

et al. 2017

Blucher Chemical Engineering Proceedings

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Section: Metodologiaunclassified

Section: Sistema T(k)unclassified

Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Silva¹,

Pereira²,

Guirardello³

et al. 2017

Blucher Chemical Engineering Proceedings

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“…A three-parameter cubic equation of state (3P-EoS), the RKPR EoS, developed by Cismondi et al [18], was applied in order to improve the representation of densities for different types of compounds, while maintaining the relative simplicity of cubic equations of state. This EoS has shown to predict very well the phase behavior of CO 2 -containing mixtures [19][20][21], but this is the first time, to our knowledge, that is applied to a carboxylic acid binary system. This work forms part of a wider project involving the copolymerization of AA and other comonomers in compressed solvents.…”

Section: Introductionmentioning

confidence: 99%

Volumetric properties of carbon dioxide + acrylic acid binary in the context of supercritical precipitation polymerization

Menossi

Milanesio

Camy

et al. 2020

The Journal of Supercritical Fluids

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Acrtllc aoo more tracU<)!I ABST RACT Acrylic acid can be polymerized by precipitation in different solvents. Carbon dioxide is an interesting solvent given its tunable density and solvent power depending on the pressure and temperature. These physicochemical characteristics make it possible to solubilize some polar compounds in CO 2 depending on temperature and pressure. ln this work. we report pressure vs volume pseudo-continuous curves at constant temperature for the CO 2 + M binary mixture. They were determined in a fully computerized variable-volume high-pressure view cell capable of monitoring the position of the piston. The exper imental data is simultaneously isoplethic and isothermal and it covers a wide range of pressures (up to 20M Pa). Using this raw experimental data, other properties were determined such as liquid-vapor phase boundaries, density and excess volumes. The temperature range was 313.15-363.15 K and the mole fraction of Min the mixture was increased from 0.044 to 0.594.

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“…In this context we recently focused on the phase behavior research of physical solvents for carbon dioxide capture. Phase equilibria (PE) at high-pressures (HP) of carbon dioxide with different classes of organic substances, such as alkanes [15], cycloalkanes [16][17][18], ethers [19,20], alcohols [21][22][23][24], esters, ketones, were investigated to illustrate the functional group effect on the solvent ability to dissolve CO 2 .…”

Section: Introductionmentioning

confidence: 99%

Phase Equilibria for Carbon Capture and Storage

Secuianu¹,

Sima²

2021

Carbon Capture

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Carbon dioxide (CO2) is an important material in many industries but is also representing more than 80% of greenhouse gases (GHGs). Anthropogenic carbon dioxide accumulates in the atmosphere through burning fossil fuels (coal, oil, and natural gas) in power plants and energy production facilities, and solid waste, trees, and other biological materials. It is also the result of certain chemical reactions in different industry (e.g., cement and steel industries). Carbon capture and storage (CCS), among other options, is an essential technology for the cost-effective mitigation of anthropogenic CO2 emissions and could contribute approximately 20% to CO2 emission reductions by 2050, as recommended by International Energy Agency (IEA). Although CCS has enormous potential in numerous industries and petroleum refineries due their large CO2 emissions, a significant impediment to its utilization on a large scale remains both operating and capital costs. It is possible to reduce the costs of CCS for the cases where industrial processes generate pure or rich CO2 gas streams, but they are still an obstacle to its implementation. Therefore, significant interest was dedicated to the development of improved sorbents with increased CO2 capacity and/or reduced heat of regeneration. However, recent results show that phase equilibria, transport properties (e.g., viscosity, diffusion coefficients, etc.) and other thermophysical properties (e.g., heat capacity, density, etc.) could have a significant effect on the price of the carbon. In this context, we focused our research on the phase behavior of physical solvents for carbon dioxide capture. We studied the phase behavior of carbon dioxide and different classes of organic substances, to illustrate the functional group effect on the solvent ability to dissolve CO2. In this chapter, we explain the role of phase equilibria in carbon capture and storage. We describe an experimental setup to measure phase equilibria at high-pressures and working procedures for both phase equilibria and critical points. As experiments are usually expensive and very time consuming, we present briefly basic modeling of phase behavior using cubic equations of state. Phase diagrams for binary systems at high-pressures and their construction are explained. Several examples of phase behavior of carbon dioxide + different classes of organic substances binary systems at high-pressures with potential role in CCS are shown. Predictions of the global phase diagrams with different models are compared with experimental literature data.

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The effect of the naphthenic ring on the VLE of (carbon dioxide + alkane) mixtures

Cited by 22 publications

References 54 publications

Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Volumetric properties of carbon dioxide + acrylic acid binary in the context of supercritical precipitation polymerization

Phase Equilibria for Carbon Capture and Storage

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The effect of the naphthenic ring on the VLE of (carbon dioxide + alkane) mixtures

Cited by 22 publications

References 54 publications

Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Estimação Dos Parâmetros De Interação De Sistemas Binários Formados Por Co2 + Hidrocarbonetos Usando a Equação De Estado Cúbica De Patel-Teja

Volumetric properties of carbon dioxide + acrylic acid binary in the context of supercritical precipitation polymerization

Phase Equilibria for Carbon Capture and Storage

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Product

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About

Volumetric properties of carbon dioxide + acrylic acid binary in the context of supercritical precipitation polymerization