Blar i Institutt for kjemisk prosessteknologi på forfatter "Jakobsen, Jana Poplsteinova"
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Analysis and selection of optimal solvent-based technologies for biogas upgrading
Carranza Abaid, Andres; Ramos Wanderley, Ricardo; Knuutila, Hanna K; Jakobsen, Jana Poplsteinova (Journal article; Peer reviewed, 2021)Biogas upgrading is an important industrial process for producing biomethane, a sustainable energy source with low carbon footprint. There are three main solvent-based alternatives for biogas upgrading: water scrubbing, ... -
A Computationally Efficient Formulation of the Governing Equations for Unit Operation Design
Carranza Abaid, Andres; Jakobsen, Jana Poplsteinova (Peer reviewed; Journal article, 2021)A computationally-efficient numerical method that uses a Pseudo-Eulerian formulation (PEF) for the design calculation of unit operations is presented and validated. This method is applicable to any unit operation that can ... -
A Non-Autonomous Relativistic Frame of Reference for Unit Operation Design
Carranza Abaid, Andres; Jakobsen, Jana Poplsteinova (Peer reviewed; Journal article, 2020)This contribution presents an efficient systematic algorithm for unit operation design that uses a newly developed non-autonomous relativistic frame of reference (NARF). The NARF is aimed towards the conceptual design of ... -
Surrogate modelling of VLE: Integrating machine learning with thermodynamic constraints
Carranza Abaid, Andres; Svendsen, Hallvard Fjøsne; Jakobsen, Jana Poplsteinova (Peer reviewed; Journal article, 2020)An easy-to-implement methodology to develop accurate, fast and thermodynamically consistent surrogate machine learning (ML) models for multicomponent phase equilibria is proposed. The methodology is successfully applied ... -
Thermodynamics of the carbon dioxide plus nitrogen plus methane (Co2 + N2 + Ch4) system: Measurements of vapor-liquid equilibrium data at temperatures from 223 to 298 K and verification of EOS-CG-2019 equation of state
Ottøy, Sindre; Neumann, Tobias; Stang, Hans Georg Jacob; Jakobsen, Jana Poplsteinova; Austegard, Anders; Løvseth, Sigurd Weidemann (Journal article; Peer reviewed, 2019)Vapor-liquid equilibria (VLE) data of the ternary mixture of CO2 + N2 + CH4 were measured at the isotherms 223 K, 253 K, 273 K, 283 K, and 298 K and for pressures in the range of 0.8 MPa–9.3 MPa. The 62 experimental dew ...