Browsing by Author "Espuña Camarasa, Antonio"
Now showing items 1-20 of 104
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A circular economy approach to the design of a water network targeting the use of regenerated water
(Elsevier, 2019)
Conference report
Restricted access - publisher's policyIncreasing water demand by the process and allied industries coupled with global water stress and scarcity have underlined the importance of water as a crucial resource and increased the need for widespread adoption of ... -
A combined scheduling reactive scheduling strategy to minimize the effect of process operations uncertainty in batch plants
(Pergamon Press, 1996)
Article
Restricted access - publisher's policyThis paper deals with production scheduling of multipurpose batch chemical plants under uncertainty. The uncertainty associated with process operations causes that production can not be carried out exactly as scheduled. ... -
A meta-multiparametric framework: Application to the operation of bio-based energy supply chains
(2015)
Article
Restricted access - publisher's policyThis paper proposes a framework for the analysis of complex optimization problems under uncertainty. The usual multiparametric programing approach is skipped through the use of metamodels to mimic a set of already solved ... -
A meta-multiparametric framework: Application to the operation of bio-based energy supply chains
(Elsevier, 2015)
Conference report
Open AccessThis paper proposes a framework for the analysis of complex optimization problems under uncertainty. The usual multiparametric programing approach is skipped through the use of metamodels to mimic a set of already solved ... -
A MILP model for enhancing wastewater networks by introducing reclaimed wastewater usage
(2020)
Conference report
Open AccessWastewater treatment plants (WWTPs) are an example of available but underutilized waste-to-resource processes. Economic benefit opportunities can be generated through the design and operation of WWTPs following a circular ... -
A modeling strategy for integrated batch process development based on mixed-logic dynamic optimization
(Pergamon Press, 2016-11-02)
Article
Open AccessThis paper introduces an optimization-based approach for the simultaneous solution of batch process synthesis and plant allocation, with decisions like the selection of chemicals, process stages, task-unit assignments, ... -
A novel modeling approach for a generalizable photo-Fenton-based degradation of organic compounds
(2020-04-23)
Article
Open AccessThis work aims at proposing and validating a model that can be exploited for the future development of industrial applications (e.g., process design and control) of Fenton and photo-Fenton processes. Hence, a compromise ... -
A rolling horizon optimization framework for the simultaneous energy supply and demand planning in microgrids
(2015)
Article
Open AccessThis work focuses on the development of optimization-based scheduling strategies for the coordination of microgrids. The main novelty of this work is the simultaneous management of energy production and energy demand within ... -
A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids
(2015)
Article
Restricted access - publisher's policyThis work proposes a discrete-time Mixed Integer Linear Programming (MILP) formulation based on a combined rolling horizon and stochastic programming approach for the simultaneous management of energy supply and demand in ... -
A rolling horizon stochastic programming framework for the energy supply and demand management in microgrids
(Elsevier, 2015)
Conference lecture
Restricted access - publisher's policyThis work proposes a discrete-time Mixed Integer Linear Programming (MILP) formulation based on a combined rolling horizon and stochastic programming approach for the simultaneous management of energy supply and demand in ... -
Addressing the scheduling of chemical supply chains under demand uncertainty
(2006)
Article
Restricted access - publisher's policyA multistage stochastic optimization model is presented to address the scheduling of supply chains with embedded multipurpose batch chemical plants under demand uncertainty. In order to overcome the numerical difficulties ... -
An optimization model for the long-term planning of energy distribution networks
(2016)
Conference lecture
Open AccessAlthough design is a problem that has been addressed in the literature, maintaining, upgrading and expanding energy distribution networks along the entire life-cycle is a topic that has received scarce attention. The problem ... -
Applying Metamodels and Sequential Sampling for Constrained Optimization of Process Operations
(2014)
Conference report
Restricted access - publisher's policyThis paper presents a framework for nonlinear constrained optimization of complex systems, in which the objective function and the constraints are represented by black box functions. The proposed approach replaces the ... -
Applying metamodels and sequential sampling for constrained optimization of process operations
(2014)
Conference report
Restricted access - publisher's policyThis paper presents a framework for nonlinear constrained optimization of complex systems, in which the objective function and the constraints are represented by black box functions. The proposed approach replaces the ... -
Batch process scheduling optimization of multiproduct plants under simultaneous environmental and economical considerations
(2009-11-08)
Conference lecture
Open AccessThis work aims at analyzing the significant environmental issues associated to production process scheduling. The implementation of a LCA for a given process or product requires the gathering of data regarding process ... -
Considering environmental assessment in an ontological framework for enterprise sustainability
(Elsevier, 2013-05)
Article
Restricted access - publisher's policyEnterprises comprise several functions, such as production, marketing, sales, human resources, logistics, safety and environment, which interact with each other. As a result, decision-making becomes highly challenging in ... -
Constraint identification and integration procedures in multi-level hierarchical systems
(Elsevier, 2017-11-09)
Article
Restricted access - publisher's policyWithin the context of decision-support tools based on mathematical programming techniques, this contribution presents a procedure for constraints identification and classification. The aim is to manage their transformation ... -
Contribución al estudio de plantas químicas multiproducto de proceso discontínuo
(Universitat Politècnica de Catalunya, 1994-11-17)
Doctoral thesis
Open AccessLa operación de plantas discontinuas multiproducto a niveles óptimos de capacidad de producción requiere un análisis detallado y selectivo entre las diferentes alternativas viables para la fabricación de cada uno de los ... -
Costs for rescheduling actions: a critical issue for reducing the gap between scheduling theory and practice
(2008-11-19)
Article
Restricted access - publisher's policyRescheduling programmed tasks, when an unexpected event occurs, may affect the smooth operation of the plant if the initial schedule is not taken into account. This work addresses the penalty incurred by rescheduling actions ... -
Data-driven soft-sensors for online monitoring of batch processes with different initial conditions
(Pergamon Press, 2018-10-04)
Article
Open AccessA soft-sensing methodology applicable to batch processes operated under changeable initial conditions is presented. These cases appear when the raw materials specifications differ from batch to batch, different production ...
