Results 31 to 40 of about 5,208 (180)

Exergy Analyses of Onion Drying by Convection: Influence of Dryer Parameters on Performance

Entropy, 2018
This research work is concerned in the exergy analysis of the continuous-convection drying of onion. The influence of temperature and air velocity was studied in terms of exergy parameters.
María Castro, Celia Román, Marcelo Echegaray, Germán Mazza, Rosa Rodriguez   +4 more
doaj   +1 more source

A Methodology to Integrate Closed‐Cycle Heat Pumps into Batch Distillation Columns

Chemie Ingenieur Technik, EarlyView.
Batch distillation often cannot use vapor recompression due to contamination risks in food and pharma. This study proposes a design for integrating closed‐loop heat pumps using natural fluids. Results show significant energy savings, offering a sustainable alternative to traditional setups.
Philipp Dorn, Michael Libuda, Thomas Meyer, Christian Hoffmann, Jens‐Uwe Repke, Stefan Elbel   +5 more
wiley   +1 more source

Exergy-Based Sustainability Assessment of Gold Mining in Colombia: A Comparative Analysis of Open-Pit and Alluvial Mining

Energies
Thermodynamic methods such as exergy analysis enable the evaluation of environmental load (environmental impacts) by quantifying entropy generation and exergy destruction associated with using renewable and non-renewable resources throughout a production
Natalia A. Cano-Londoño, Javier Ordoñez-Loza, Héctor I. Velásquez, Heriberto Cabezas   +3 more
doaj   +1 more source

Characterization of Ecological Exergy Based on Benthic Macroinvertebrates in Lotic Ecosystems

Entropy, 2013
The evaluation of ecosystem health is a fundamental process for conducting effective ecosystem management. Ecological exergy is used primarily to summarize the complex dynamics of lotic ecosystems.
Young-Seuk Park, Mi-Jung Bae, Fengqing Li, Piet F.M. Verdonschot   +3 more
doaj   +1 more source

Impact of Distillation Column Design on Potential for the Integration of Mechanical Vapor Recompression

Chemie Ingenieur Technik, EarlyView.
Mechanical vapor recompression integration in distillation is analyzed, focusing on feed preheating and column pressure drop. Binary methanol–water and benzene–toluene separations are studied to identify optimal designs, which are further assessed in a bioethanol vacuum distillation sequence regarding energetic, ecological, and economic performance ...
Thorben Hochhaus, Sebastian Siepmann, Marcus Grünewald, Julia Riese   +3 more
wiley   +1 more source

Exergoeconomic Evaluation of LNG and NGL Co-production Process Based on the MFC Refrigeration Systems [PDF]

Iranian Journal of Oil & Gas Science and Technology, 2016
In this paper, exergy and exergoeconomic analysis is performed on the recently proposed process forthe coproduction of liquefied natural gas (LNG) and natural gas liquids (NGL) based on the mixedfluid cascade (MFC) refrigeration systems, as one of the ...
Hojat Ansarinasab, Mahmoud Afshar, Mehdi Mehrpooya   +2 more
doaj   +1 more source

Advanced exergy analysis of the oil and gas processing plant on an offshore platform: A thermodynamic cycle approach

Energy Reports, 2023
Ambitious targets on reduction of greenhouse-gas emissions have motivated further studies to improve energy efficiency in offshore gas and oil production.
Juejing Sheng, Mari Voldsund, Ivar S. Ertesvåg   +2 more
doaj   +1 more source

Mechanical Vapor Recompression in Distillation: A Framework to Analyze Technical Feasibility, Economic Competitiveness, and Ecological Benefits

Chemie Ingenieur Technik, EarlyView.
Communication: An approach for a holistic evaluation of distillation processes with mechanical vapor recompression combining an initial energy potential analysis, shortcut methods for the compressor and reboiler design, and the determination of economic and ecological performance parameters is presented.
Katharina Jasch, Franziska Lais, Hannes Schneider, Mandy Paschetag, Stephan Scholl   +4 more
wiley   +1 more source

Analogy Analysis of Height Exergy and Temperature Exergy in Energy Storage System

Energies
As a pivotal technology and infrastructure component for modern power systems, energy storage has experienced significant advancement in recent years.
Yan Cui, Tong Jiang, Mulin Liu
doaj   +1 more source

Turbogenerator Steam Turbine Variation in Developed Power: Analysis of Exergy Efficiency and Exergy Destruction Change

Modelling and Simulation in Engineering, 2018
Developed power variation of turbogenerator (TG) steam turbine, which operates at the conventional LNG carrier, allows insight into the change in turbine exergy efficiency and exergy destruction during the increase in turbine power.
Vedran Mrzljak, Tomislav Senčić, Božica Žarković   +2 more
doaj   +1 more source