Exploració per tema "Chemical processes"
Ara es mostren els items 1-20 de 27
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A combined scheduling reactive scheduling strategy to minimize the effect of process operations uncertainty in batch plants
(Pergamon Press, 1996)
Article
Accés restringit per política de l'editorialThis 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 machine learning-based methodology for multi-parametric solution of chemical processes operation optimization under uncertainty
(Elsevier, 2021-12-01)
Article
Accés obertChemical process operation optimization aims at obtaining the optimal operating set-points by real-time solution of an optimization problem that embeds a steady-state model of the process. This task is challenged by ... -
A modeling strategy for integrated batch process development based on mixed-logic dynamic optimization
(Pergamon Press, 2016-11-02)
Article
Accés obertThis 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, ... -
Adsorción de boro del agua
(Universitat Politècnica de Catalunya, 2012-06-25)
Projecte/Treball Final de Carrera
Accés obertEn el siguiente trabajo se propone la técnica de la adsorción mediante la utilización de polímeros naturales para eliminar el boro de residuos industriales, puesto que estos residuos presentan una gran problemática ... -
Articulació i coordinació d'un Màster d'Enginyeria de Processos
(Universitat Politècnica de Catalunya, 2007-05)
Projecte/Treball Final de Carrera
Accés obertEn aquest projecte s’ha articulat i coordinat la infrastructura d’un Màster d’Enginyeria de Processos Químics dins l’Espai Europeu d’Educació Superior (EEES), que com a tal s’ha adaptat a la normativa vigent en aquest ... -
Avaluació de la recuperació de coure d'un lixiviat mitjançant el procés de cementació
(Universitat Politècnica de Catalunya, 2019-07)
Treball Final de Grau
Accés restringit per decisió de l'autorLa societat actual cada vegada té una dependència més gran als telèfons mòbils, tauletes, ordinadors... Sense deixar de banda que l’edat dels consumidors cada cop és inferior, i per tant, cada vegada hi ha més població ... -
Chemical processing routes based on reaction pathways
(Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet, 2013)
Treball Final de Grau
Accés obert
Realitzat a/amb: Danmarks tekniske universitetThe integration of reaction and separation tasks in one process unit represents a potential advantage for overcoming reaction limitations, such as reaction equilibrium. The design of reactive separation units based on ... -
Data-based fault detection in chemical processes: Managing records with operator intervention and uncertain labels
(2016-06-23)
Article
Accés obertDeveloping data-driven fault detection systems for chemical plants requires managing uncertain data labels and dynamic attributes due to operator-process interactions. Mislabeled data is a known problem in computer science ... -
Development of a prototype for automatic translation of chemical processes simulation cases from different software vendors
(Universitat Politècnica de Catalunya, 2019-02-05)
Treball Final de Grau
Accés restringit per decisió de l'autorIn this end-of-degree project, the prototype of a program has been developed, which is capable of converting simulation cases created in the chemical process simulator Aspen HYSYS, to cases that can be used in another ... -
Dynamic surrogate modelling for multistep-ahead prediction of multivariate nonlinear chemical processes
(American Chemical Society (ACS), 2020-07-30)
Article
Accés obertThis work proposes a methodology for multivariate dynamic modeling and multistep-ahead prediction of nonlinear systems using surrogate models for the application to nonlinear chemical processes. The methodology provides a ... -
Economic optimization of the water reuse network in batch process industries
(Pergamon Press, 1999)
Article
Accés restringit per política de l'editorialWater reuse has proved to be an efficient way to reduce freshwater demand and wastewater generation in process industries. In this paper, a methodology for minimizing the costs associated to water management in batch process ... -
Estandarització del procés de producció de Metoprolol segons l'ISA-88
(Universitat Politècnica de Catalunya, 2022-07-04)
Treball Final de Grau
Accés restringit per decisió de l'autor
Realitzat a/amb: Mohes CatalanaA l’empresa Moehs Catalana es troben iniciant la l’evolució dels processos de fabricació dels seus productes. Aquesta evolució consisteix en l’automatització de processos químics mitjançant Software proporcionat per l’empresa ... -
Experimental and computational study of agitated vessels
(Universitat Politècnica de Catalunya, 2012)
Treball Final de Grau
Accés restringit per decisió de l'autorThe fluid flow in an agitated tank has been studied in a laboratory vessel and using computational fluid dynamics (commonly known as CFD). The investigation has been focused on power draw measurements at different rotational ... -
Fault diagnosis of chemical processes with incomplete observations: A comparative study
(Pergamon Press, 2016-01-04)
Article
Accés obertAn important problem to be addressed by diagnostic systems in industrial applications is the estimation of faults with incomplete observations. This work discusses different approaches for handling missing data, and ... -
Flexible batch process and plant design using mixed-logic dynamic optimization: single-product plants
(2014-11-05)
Article
Accés restringit per política de l'editorialBatch manufacturing plants require the frequent adaptation of production facilities to incorporate internal and external uncertainties. The introduction of flexibility in the design of general-purpose plants represents a ... -
Fly ash as reactive sorbent for phosphate removal from treated waste water as a potential slow release fertilizer
(2017-02-01)
Article
Accés obertThere is interest in recovering phosphate (P(V)) from secondary sources, such as waste water streams for potential use as fertilizers reducing the environmental impacts of P(V) discharges and providing alternative phosphorus ... -
Hybrid sorption and pressure-driven membrane technologies for organic micropollutants removal in advanced water reclamation: A techno-economic assessment
(2020-11-10)
Article
Accés obertThe persistence of certain organic-micropollutants (OMP) in conventional wastewater and reclamation treatments represents a growing concern due to its associated uncertain effects on human health and the environment. This ... -
Incorporating online scheduling strategies in integrated batch-production control
(Pergamon Press, 1995)
Article
Accés restringit per política de l'editorialGiven a set of product recipes, the main goal of production scheduling is to attain an optimal solution which satisfies the market demand taking into account a variety of constraints and specific policies. Thus, a schedule ... -
Integrated process and plant design optimisation of industrial scale batch systems: Addressing the inherent dynamics through stochastic and hybrid approaches
(2015-01-01)
Article
Accés obertThis work explores stochastic and hybrid solution approaches for dealing with the problem of integrated batch process development and plant design. The simultaneous optimization of batch process synthesis, task allocation ... -
Modelització d’un procés combinat físico-químic-biològic mitjançant software ASPEN Plus
(Universitat Politècnica de Catalunya, 2019-10-22)
Treball Final de Grau
Accés restringit per decisió de l'autorEn els processos de combustió de combustibles fòssils es generen diferents gasos depenent dels productes que s’estiguin cremant, però hi ha dos d’ells que, pel fet de ser molt comuns a les combustions i per ser altament ...
