Search Results - "Maravelias, Christos"

The Alarming Decline of Mediterranean Fish Stocks by Vasilakopoulos, Paraskevas, Maravelias, Christos D., Tserpes, George

“…In recent years, fisheries management has succeeded in stabilizing and even improving the state of many global fisheries resources [1–5]. This is particularly…”
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Piecewise linear trees as surrogate models for system design and planning under high-frequency temporal variability by Wu, Yaqing, Maravelias, Christos T.

“…•Develop method for system design/planning under high-frequency temporal variability.•Propose a formulation to embed piecewise linear trees as surrogates onto…”
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General framework and modeling approach classification for chemical production scheduling by Maravelias, Christos T.

“…Despite the increased number of publications in the area during the last two decades, there is no unified notation and systematic framework for chemical…”
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Sequential-Optimization-Based Framework for Robust Modeling and Design of Heterogeneous Catalytic Systems by Rangarajan, Srinivas, Maravelias, Christos T, Mavrikakis, Manos

“…We present a general optimization-based framework for (i) ab initio and experimental data driven mechanistic modeling and (ii) optimal catalyst design of…”
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Optimization methods for plastics management supply chain design by Wang, Shuheng, Maravelias, Christos T.

“…Abstract This article introduces three mixed integer programming (MIP) models to address a network design problem for mixed plastic waste (MPW) supply chains…”
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Thermal fractionation and catalytic upgrading of lignocellulosic biomass to biofuels: Process synthesis and analysis by Won, Wangyun, Maravelias, Christos T.

“…Multi-stage thermal biomass decomposition coupled with catalytic upgrading has a number of advantages over conventional single-stage pyrolysis with…”
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On deterministic online scheduling: Major considerations, paradoxes and remedies by Gupta, Dhruv, Maravelias, Christos T.

“…•Rescheduling is needed even in the deterministic case, with no “trigger” events.•We study how attributes of the online algorithm impact closed-loop solution…”
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Terminal inventory level constraints for online production scheduling by Dong, Yachao, Maravelias, Christos T.

“…•Online production scheduling is studied for high quality of implemented schedules.•A framework for the analysis of general classes of terminal constraints is…”
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Expanding the scope of distillation network synthesis using superstructure-based methods by Kong, Lingxun, Maravelias, Christos T.

“…We study two new challenging problems in distillation network synthesis: (1) how to synthesize a distillation sequence when streams can have variable,…”
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Cracking the challenges of incentivizing avoidance of unwanted catch by Pol, Mike, Maravelias, Christos D

“…Abstract Effective tools, techniques, and strategies to improve commercial fish catches frequently seem to be overlooked or unused. The mixed success of two…”
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From graphical to model‐based distillation column design: A McCabe‐Thiele‐inspired mathematical programming approach by Kong, Lingxun, Maravelias, Christos T.

“…We propose a mixed‐integer nonlinear programming (MINLP) model for simple and complex distillation column design and optimization. The model is based upon the…”
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A general framework and optimization models for the scheduling of continuous chemical processes by Wu, Yaqing, Maravelias, Christos T.

“…We present a framework for the formulation and solution of continuous process scheduling problems. We focus on modeling transient operations such as startups,…”
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Nonenzymatic Sugar Production from Biomass Using Biomass-Derived γ-Valerolactone by Luterbacher, Jeremy S., Rand, Jacqueline M., Alonso, David Martin, Han, Jeehoon, Youngquist, J. Tyler, Maravelias, Christos T., Pfleger, Brian F., Dumesic, James A.

“…Widespread production of biomass-derived fuels and chemicals will require cost-effective processes for breaking down cellulose and hemicellulose into their…”
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Scope for industrial applications of production scheduling models and solution methods by Harjunkoski, Iiro, Maravelias, Christos T., Bongers, Peter, Castro, Pedro M., Engell, Sebastian, Grossmann, Ignacio E., Hooker, John, Méndez, Carlos, Sand, Guido, Wassick, John

“…•Classification of scheduling problems.•Summary of industrial requirements for scheduling.•Review of existing scheduling optimization methods, including…”
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On the derivation of graphically inspired feasibility constraints for distillation network synthesis by Ryu, Joonjae, Maravelias, Christos T.

“…We propose the integration of simplified graphically inspired feasibility constraints into optimization‐based models for distillation network synthesis. The…”
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Reaction Mechanism of Vapor-Phase Formic Acid Decomposition over Platinum Catalysts: DFT, Reaction Kinetics Experiments, and Microkinetic Modeling by Bhandari, Saurabh, Rangarajan, Srinivas, Maravelias, Christos T, Dumesic, James A, Mavrikakis, Manos

“…A combination of periodic density functional theory (DFT, PW91-GGA) calculations, reaction kinetics experiments, and mean-field microkinetic modeling is used…”
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On the design of online production scheduling algorithms by Gupta, Dhruv, Maravelias, Christos T.

“…We discuss a systematic way to design online scheduling algorithms to achieve better closed-loop performance. Specifically, we address short-term scheduling,…”
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Toward biomass-derived renewable plastics: Production of 2,5-furandicarboxylic acid from fructose by Motagamwala, Ali Hussain, Won, Wangyun, Sener, Canan, Alonso, David Martin, Maravelias, Christos T, Dumesic, James A

“…We report a process for converting fructose, at a high concentration (15 weight %), to 2,5-furandicarboxylic acid (FDCA), a monomer used in the production of…”
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Process synthesis and economic analysis of cyanobacteria biorefineries: A superstructure-based approach by Fasahati, Peyman, Wu, Wenzhao, Maravelias, Christos T.

“…[Display omitted] •Developed optimization model to design and evaluate cyanobacteria biorefineries.•Developed models for supply, production, and separation…”
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Efficient generalized shortcut distillation model with improved accuracy for superstructure‐based process synthesis by Ryu, Joonjae, Maravelias, Christos T.

“…We propose a general shortcut distillation column model that can address a wide range of types of separations including nonsharp/sloppy splits. The model can…”
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