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Showing 1 to 20 of 55 for “"aspen plus"”.
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Modeling Of USS Gasification To Evaluate New Gasifier Design In Aspen Plus
… completed at Ohio. The RGIBBS reactor module in ASPEN PLUS, which performs calculation using the Gibbs free energy minimization concept is used to simulate the gasification process. The model compositions were then compared with the experimental syngas composition. The simulation was performed …
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Aspen Plus® simulation and techno-economic analysis of condensation and fractional distillation of plastic waste pyrolysis oil for sustainable aviation fuel production
… of a selection of PDOs was simulated in Aspen Plus® V14.0, based on reported chemical compositions, in contrast to the conventional practice of simulating crude oils via pseudo-components. The biases when simulating the fuel properties from chemical compositions were determined and as a …
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Carbon capture from gas-fired power plant and integration with energy storage and CO2 utilisation
… The proposed system was modelled and analysed in Aspen Plus® engaging air and oxyfuel combustion process. In distinction to precious studies, this model investigates and analyses three designs for the proposed scenarios. <br/><br/>The intermittent nature of solar energy makes them unsuitable for …
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Modeling of carbon dioxide absorption/stripping by aqueous methyldiethanolamine/piperazine
… and kinetic models were developed in Aspen Plus® Rate SepTM for 8 m PZ, 5 m PZ, 7 m MDEA/2 m PZ, and 5 m MDEA/5 m PZ. Thermodynamic data was regressed using a sequential regression methodology, and incorporated data for all amine, amine/water, and amine/water/CO₂ systems. The …
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Feasibility Assessment for Amine-Based Shipboard Carbon Capture
… to 256 kW. These test cases are evaluated using Aspen Plus and the Aspen Plus Economic Analyzer. To size components, reboiler duty, reboiler diameter, absorber, height, and absorber diameter are all designed for the system to operate at a 90% carbon capture rate with columns at an 80% approach to …
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Process design, dynamics, and techno-economic analysis of a sustainable coal, wind, and small modular nuclear reactor hybrid energy system
… first analyzed at steady state by utilizing the Aspen Plus simulation software. The two systems were integrated with an existing high temperature steam electrolysis model. This system was reconciled and simplified. The simplifications to the model allowed for export from Aspen Plus into Aspen …
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Simulação e estimativa de custos da geração de energia elétrica a partir de genótipos de capim elefante
… elétrica utilizando o programa computacional Aspen Plus®, avaliando a influência da composição química, umidade e cinzas no potencial energético da planta. De acordo com os resultados apresentados nas simulações e nas análises estatísticas (método dos mínimos quadrados parciais) a variação …
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Simulations and modeling of biomass gasification processes
… by the National Renewable Energy Laboratory. An Aspen Plus® model was developed for the Thermochemical Process Development Unit (gasification unit) at the National Renewable Energy Laboratory. The model was designed for a feed of poultry litter and was also run with a feed of wood. The Aspen …
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Nonsmooth Distillation Models Robust to Convergence Errors: Numerical Methods and Topological Aspects
… using state-of-the-art process software such as Aspen Plus and HYSYS. These errors preclude one from converging flowsheets with recycle streams and from successfully utilizing rigorous process optimization methods, which are both essential tasks in designing more energy-efficient and economically …
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A hybrid direct-iterative linear solver for chemical process simulation
… hybrid solver is implemented in the SEQUEL-II, ASPEN PLUS$\sp{\rm TM}$, and SPEEDUP$\sp{\rm TM}$ programs and evaluated in terms of its overall effectiveness in reducing the total simulation time.
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Sorption-Enhanced Hydrogen Production from Catalytic Steam Gasification of Coal
… of calcined dolomite were investigated using Aspen Plus software. Furthermore, the performance of dolomite was compared with that of Cadomin limestone in the temperature range of 600-750°C. The experimental data and model results both illustrated a shift in the reaction mechanism with respect …
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Integrated optimization approach for plasma-based radioactive waste treatment process
… (COMSOL Multiphysics), and process modeling (Aspen Plus) into a unified workflow, enabling automated data exchange and coordinated parameter updates. Optimization is performed using genetic algorithm, with candidate solutions evaluated across all domains. Comparative analysis of segregated and …
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Thermal management of the thermochemical Cu-Cl cycle linked with industrial processes for hydrogen production
… and a reverse osmosis desalination unit. Both Aspen Plus and Engineering Equation Solver software packages are employed for system analysis, modeling and performance assessment. The overall system energy and exergy efficiencies are found to be 39.8% and 40.5% for the first system, 32.7% and 32% …
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Conceptual development and analysis of multiple integrated hydrogen production plants with Cu-Cl cycle
… the developed systems is carried out using Aspen Plus, Aspen Hysys, and EES. The systems are assessed thermodynamically based on the energy and exergy efficiencies. The results show that the integration of nuclear reactor SCWR with the four-step copper and chlorine cycle is a promising …
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Uso de biomassa de microalgas e cianobactérias cultivadas em águas residuais de avicultura como potencial energético na produção de biodiesel e amônia como transportadora de hidrogênio
… through elemental analysis for simulation in Aspen Plus, in addition to lipid extraction and transesterification to evaluate biodiesel generation by fatty acid profile. Through modeling using the Aspen Plus program, the highest biomass generation was obtained from the microalga Desmodesmus sp. …
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Development and assessment of renewable energy based integrated systems for dimethyl ether production
… studies and simulations are performed using both Aspen Plus, and Engineering Equation Solver software packages. These three systems are thermodynamically assessed based on energy and exergy efficiencies. The overall system's energy and exergy efficiencies resulted in 40.46 % and 52.81 for the …
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A new software tool to environmentally and economically evaluate solvent recovery in the pharmaceutical industry
… toolbox has been developed that combines Aspen Plus(R) process simulation with SimaPro(R) and Ecosolvent life cycle assessment (LCA) databases. The feasibility of a relatively small flexible skid capable of recovering multiple solvent waste streams was evaluated. Fractional distillation …
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Simulation and optimization of hot syngas separation processes in integrated gasification combined cycle
… processes which are used in conjunction with Aspen Plus® to design various IGCC flowsheet configurations. In particular, we evaluate the use of membranes and sorbents for CO2 separation and capture from hot syngas in IGCC, as a substitute to solutionbased absorption processes. We present a …
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Design and Optimization of Post-Combustion CO2 Capture
… We employ the latest simulation tools from Aspen Tech to rigorously model, design, and optimize acid gas systems. We extend this modeling approach to leverage Aspen Plus in the .NET framework through Microsoft's Component Object Model (COM). Our work successfully increases the efficiency of …
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