Monte Carlo and sensitivity analysis methods for kinetic parameters optimization: application to heavy oil slurry-phase hydrocracking

G Félix, JJ Rios, A Tirado, MA Varfolomeev… - Energy & …, 2022 - ACS Publications
A methodology to estimate kinetic parameters using the Monte Carlo algorithm and
sensitivity analysis is described. The approach is applied to the experimental data reported …

Dual mixed refrigerant LNG process: Uncertainty quantification and dimensional reduction sensitivity analysis

MA Qyyum, PLT Duong, S Lee, M Lee - Applied Energy, 2019 - Elsevier
The dual mixed refrigerant (DMR) liquefaction process is complicated and sensitive
compared to the competitive propane pre-cooled mixed refrigerant liquefied natural gas …

Reduction of lumped reaction networks based on global sensitivity analysis

Z Till, T Varga, J Soja, N Miskolczi, T Chovan - Chemical Engineering …, 2019 - Elsevier
In case of complex chemical systems in that many reactions occur between high numbers of
species, it is often necessary to use some form of lum** in order to obtain a simpler kinetic …

Global sensitivity analysis and uncertainty quantification of crude distillation unit using surrogate model based on Gaussian process regression

LQ Minh, PLT Duong, M Lee - Industrial & Engineering Chemistry …, 2018 - ACS Publications
This study presents a global sensitivity analysis to simplify a surrogate-model-based
uncertainty quantification of a crude distillation unit with a large number of uncertainties. To …

Optimization of a pilot hydrocracking unit to improve the yield and quality of jet fuel together with heavy naphtha and tail oil

C Peng, Z Cao, Y Du, R Zeng, R Guo… - Industrial & …, 2018 - ACS Publications
Hydrocracking of vacuum gas oil (VGO) is a commonly used process to produce more high-
quality transportation fuels and chemicals. In this work, effects of four different operation …

Modeling the Kinetics of Hydrocracking of Heavy Oil with Mineral Catalyst

G Félix, F Trejo, J Ancheyta - … Reaction Systems in the Oil and …, 2024 - Wiley Online Library
Discrete and continuous lum** models have been largely used to represent the reaction
kinetics. Recently, the use of more complex and fundamental microkinetic models to …

Uncertainty quantification and global sensitivity analysis of complex chemical processes with a large number of input parameters using compressive polynomial chaos

PLT Duong, TN Pham, J Goncalves, E Kwok… - … Research and Design, 2016 - Elsevier
Uncertainties are ubiquitous and unavoidable in process design and modeling while they
can significantly affect safety, reliability, and economic decisions. The large number of …

Sparse Bayesian learning for data driven polynomial chaos expansion with application to chemical processes

PLT Duong, MA Qyyum, M Lee - Chemical Engineering Research and …, 2018 - Elsevier
Uncertainties are ubiquitous in process system engineering. Hence, to develop a safe and
profitable process, uncertainty quantification (UQ) is necessary in a reliability, availability …

A two-stage approach of multiplicative dimensional reduction and polynomial chaos for global sensitivity analysis and uncertainty quantification with a large number of …

PLT Duong, J Goncalves, E Kwok, M Lee - Journal of the Taiwan Institute …, 2017 - Elsevier
Uncertainties associated with estimates of model parameters are inevitable when simulating
and modeling chemical processes and significantly affect safety, consistency, and decision …

Uncertainties of lumped reaction networks in reactor design

Z Till, T Chován, T Varga - Industrial & Engineering Chemistry …, 2020 - ACS Publications
The so-called lumped reaction networks are extensively used to model complex processes
such as hydrocracking. Despite this, studies on the further applicability of these networks …