Stijepović, Vladimir

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  • Stijepović, Vladimir (6)
  • Stijepovic, Vladimir (1)

Author's Bibliography

A cost comparison study for hydrogen production between conventional and renewable methods

Ayub, Hafiz Muhammad Uzair; Alnouri, Sabla Y.; Stijepović, Mirko; Stijepović, Vladimir; Hussein, Ibnelwaleed A.

(Institution of Chemical Engineers, 2024-06)

TY  - JOUR
AU  - Ayub, Hafiz Muhammad Uzair
AU  - Alnouri, Sabla Y.
AU  - Stijepović, Mirko
AU  - Stijepović, Vladimir
AU  - Hussein, Ibnelwaleed A.
PY  - 2024-06
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7449
AB  - Energy systems are undergoing rapid change as the world responds to climate change. Many policymakers may ask, what will be the next great energy source for a low-carbon future? All indications so far point to hydrogen energy. Although it is anticipated that costs will likely fall as the hydrogen production scale increases, it may be reported that the high technology costs remain a barrier to the widespread shift towards hydrogen. This paper presents hydrogen production costs for various production methods for different regions across the world, including the USA, the Middle East, Europe, India, and Canada. The costs of hydrogen production from biomass gasification, coal gasification, and natural gas reforming are compared, revealing the varying costs across different regions. Moreover, the production of green hydrogen from renewable energy sources is also presented, and compared with conventional methods. It highlights that while green hydrogen is environmentally sustainable, its production remains cost-intensive compared to integrated processes. Notably, the Middle East and India demonstrate the most economical production costs for both electrolysis and nuclear-based processes, while Europe shows the highest costs. The information presented in this paper could be helpful for researchers and policymakers to make informed decisions regarding the necessary aspects that still need to be investigated, to help with the transition into a hydrogen energy future.
PB  - Institution of Chemical Engineers
T2  - Process Safety and Environmental Protection
T1  - A cost comparison study for hydrogen production between conventional and renewable methods
EP  - 932
SP  - 921
VL  - 186
DO  - 10.1016/j.psep.2024.04.080
ER  - 
@article{
author = "Ayub, Hafiz Muhammad Uzair and Alnouri, Sabla Y. and Stijepović, Mirko and Stijepović, Vladimir and Hussein, Ibnelwaleed A.",
year = "2024-06",
abstract = "Energy systems are undergoing rapid change as the world responds to climate change. Many policymakers may ask, what will be the next great energy source for a low-carbon future? All indications so far point to hydrogen energy. Although it is anticipated that costs will likely fall as the hydrogen production scale increases, it may be reported that the high technology costs remain a barrier to the widespread shift towards hydrogen. This paper presents hydrogen production costs for various production methods for different regions across the world, including the USA, the Middle East, Europe, India, and Canada. The costs of hydrogen production from biomass gasification, coal gasification, and natural gas reforming are compared, revealing the varying costs across different regions. Moreover, the production of green hydrogen from renewable energy sources is also presented, and compared with conventional methods. It highlights that while green hydrogen is environmentally sustainable, its production remains cost-intensive compared to integrated processes. Notably, the Middle East and India demonstrate the most economical production costs for both electrolysis and nuclear-based processes, while Europe shows the highest costs. The information presented in this paper could be helpful for researchers and policymakers to make informed decisions regarding the necessary aspects that still need to be investigated, to help with the transition into a hydrogen energy future.",
publisher = "Institution of Chemical Engineers",
journal = "Process Safety and Environmental Protection",
title = "A cost comparison study for hydrogen production between conventional and renewable methods",
pages = "932-921",
volume = "186",
doi = "10.1016/j.psep.2024.04.080"
}
Ayub, H. M. U., Alnouri, S. Y., Stijepović, M., Stijepović, V.,& Hussein, I. A.. (2024-06). A cost comparison study for hydrogen production between conventional and renewable methods. in Process Safety and Environmental Protection
Institution of Chemical Engineers., 186, 921-932.
https://doi.org/10.1016/j.psep.2024.04.080
Ayub HMU, Alnouri SY, Stijepović M, Stijepović V, Hussein IA. A cost comparison study for hydrogen production between conventional and renewable methods. in Process Safety and Environmental Protection. 2024;186:921-932.
doi:10.1016/j.psep.2024.04.080 .
Ayub, Hafiz Muhammad Uzair, Alnouri, Sabla Y., Stijepović, Mirko, Stijepović, Vladimir, Hussein, Ibnelwaleed A., "A cost comparison study for hydrogen production between conventional and renewable methods" in Process Safety and Environmental Protection, 186 (2024-06):921-932,
https://doi.org/10.1016/j.psep.2024.04.080 . .

The development of a process simulator transport model for RO systems

Stijepović, Mirko; Alnouri, Sabla; Stijepović, Vladimir; Stajić-Trošić, Jasna; Grozdanić, Nikola; Grujić, Aleksandar

(Elsevier Ltd, 2022)

TY  - JOUR
AU  - Stijepović, Mirko
AU  - Alnouri, Sabla
AU  - Stijepović, Vladimir
AU  - Stajić-Trošić, Jasna
AU  - Grozdanić, Nikola
AU  - Grujić, Aleksandar
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5108
AB  - This paper introduces solute-solvent interactions onto a universal transport modeling approach that has been recently introduced for predicting RO membrane performance. The mathematical modeling framework utilizes chemical potential calculations rather than concentrations, and is based on the standard solution diffusion theory. Accounting for solute-solvent interactions were all based on a Maxwell-Stefan approach for reduced motion of particles in membrane pores. Overall, the proposed model is very effective in generating all the necessary parameters, especially for estimating the water permeability, as well as the various permeabilities associated with both, monovalent and divalent types of ion in the solution. Moreover, the effects of osmotic pressure on the respective species and water flux can be estimated. The proposed RO model was found to be very efficient in predicting the performance of various types of membranes, and its performance has been validated against available membrane performance data obtained from various sources. Since the attained model predictions are in very good agreement with actual membrane performance data, the proposed model can be considered as a very effective tool for use in commercial process simulator platforms.
PB  - Elsevier Ltd
T2  - Computers and Chemical Engineering
T1  - The development of a process simulator transport model for RO systems
SP  - 107783
VL  - 161
DO  - 10.1016/j.compchemeng.2022.107783
ER  - 
@article{
author = "Stijepović, Mirko and Alnouri, Sabla and Stijepović, Vladimir and Stajić-Trošić, Jasna and Grozdanić, Nikola and Grujić, Aleksandar",
year = "2022",
abstract = "This paper introduces solute-solvent interactions onto a universal transport modeling approach that has been recently introduced for predicting RO membrane performance. The mathematical modeling framework utilizes chemical potential calculations rather than concentrations, and is based on the standard solution diffusion theory. Accounting for solute-solvent interactions were all based on a Maxwell-Stefan approach for reduced motion of particles in membrane pores. Overall, the proposed model is very effective in generating all the necessary parameters, especially for estimating the water permeability, as well as the various permeabilities associated with both, monovalent and divalent types of ion in the solution. Moreover, the effects of osmotic pressure on the respective species and water flux can be estimated. The proposed RO model was found to be very efficient in predicting the performance of various types of membranes, and its performance has been validated against available membrane performance data obtained from various sources. Since the attained model predictions are in very good agreement with actual membrane performance data, the proposed model can be considered as a very effective tool for use in commercial process simulator platforms.",
publisher = "Elsevier Ltd",
journal = "Computers and Chemical Engineering",
title = "The development of a process simulator transport model for RO systems",
pages = "107783",
volume = "161",
doi = "10.1016/j.compchemeng.2022.107783"
}
Stijepović, M., Alnouri, S., Stijepović, V., Stajić-Trošić, J., Grozdanić, N.,& Grujić, A.. (2022). The development of a process simulator transport model for RO systems. in Computers and Chemical Engineering
Elsevier Ltd., 161, 107783.
https://doi.org/10.1016/j.compchemeng.2022.107783
Stijepović M, Alnouri S, Stijepović V, Stajić-Trošić J, Grozdanić N, Grujić A. The development of a process simulator transport model for RO systems. in Computers and Chemical Engineering. 2022;161:107783.
doi:10.1016/j.compchemeng.2022.107783 .
Stijepović, Mirko, Alnouri, Sabla, Stijepović, Vladimir, Stajić-Trošić, Jasna, Grozdanić, Nikola, Grujić, Aleksandar, "The development of a process simulator transport model for RO systems" in Computers and Chemical Engineering, 161 (2022):107783,
https://doi.org/10.1016/j.compchemeng.2022.107783 . .

A universal transportation model for reverse osmosis systems

Putic, Lana; Alnouri, Sabla; Stijepovic, Vladimir; Stajic-Trosic, Jasna; Grujic, Aleksandar; Stijepović, Mirko

(2021)

TY  - JOUR
AU  - Putic, Lana
AU  - Alnouri, Sabla
AU  - Stijepovic, Vladimir
AU  - Stajic-Trosic, Jasna
AU  - Grujic, Aleksandar
AU  - Stijepović, Mirko
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4892
AB  - This paper presents a new transport model for reverse osmosis (RO) systems, which combines irreversible thermodynamics, together with solution-diffusion theory. The simplifications adopted by the classical theory for solution-diffusion mechanisms have been found to be quite lacking when it comes to predicting the separation of multicomponent mixtures. The presented model accounts for multicomponent computations through the application of thermodynamic property models, as a means to predict the various interactions amongst the species that are present in solution. The developed transport model is relatively easy to implement, and can be utilized alongside existing equipment and thermodynamic property models. The applicability of the model presented in this paper has been tested on three different case studies, including a case that investigates single component behavior and a case that investigates multicomponent behavior The proposed model shows very good agreement with experimental results .
T2  - Computers & Chemical Engineering
T1  - A universal transportation model for reverse osmosis systems
VL  - 148
DO  - 10.1016/j.compchemeng.2021.107264
ER  - 
@article{
author = "Putic, Lana and Alnouri, Sabla and Stijepovic, Vladimir and Stajic-Trosic, Jasna and Grujic, Aleksandar and Stijepović, Mirko",
year = "2021",
abstract = "This paper presents a new transport model for reverse osmosis (RO) systems, which combines irreversible thermodynamics, together with solution-diffusion theory. The simplifications adopted by the classical theory for solution-diffusion mechanisms have been found to be quite lacking when it comes to predicting the separation of multicomponent mixtures. The presented model accounts for multicomponent computations through the application of thermodynamic property models, as a means to predict the various interactions amongst the species that are present in solution. The developed transport model is relatively easy to implement, and can be utilized alongside existing equipment and thermodynamic property models. The applicability of the model presented in this paper has been tested on three different case studies, including a case that investigates single component behavior and a case that investigates multicomponent behavior The proposed model shows very good agreement with experimental results .",
journal = "Computers & Chemical Engineering",
title = "A universal transportation model for reverse osmosis systems",
volume = "148",
doi = "10.1016/j.compchemeng.2021.107264"
}
Putic, L., Alnouri, S., Stijepovic, V., Stajic-Trosic, J., Grujic, A.,& Stijepović, M.. (2021). A universal transportation model for reverse osmosis systems. in Computers & Chemical Engineering, 148.
https://doi.org/10.1016/j.compchemeng.2021.107264
Putic L, Alnouri S, Stijepovic V, Stajic-Trosic J, Grujic A, Stijepović M. A universal transportation model for reverse osmosis systems. in Computers & Chemical Engineering. 2021;148.
doi:10.1016/j.compchemeng.2021.107264 .
Putic, Lana, Alnouri, Sabla, Stijepovic, Vladimir, Stajic-Trosic, Jasna, Grujic, Aleksandar, Stijepović, Mirko, "A universal transportation model for reverse osmosis systems" in Computers & Chemical Engineering, 148 (2021),
https://doi.org/10.1016/j.compchemeng.2021.107264 . .
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Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection

Stijepović, Mirko; Papadopoulos, Athanasios I.; Linke, Patrick; Stijepović, Vladimir; Grujić, Aleksandar; Kijevčanin, Mirjana; Seferlis, Panos

(Elsevier Science Bv, Amsterdam, 2017)

TY  - JOUR
AU  - Stijepović, Mirko
AU  - Papadopoulos, Athanasios I.
AU  - Linke, Patrick
AU  - Stijepović, Vladimir
AU  - Grujić, Aleksandar
AU  - Kijevčanin, Mirjana
AU  - Seferlis, Panos
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3605
AB  - We propose a systematic model for the optimum design of Organic Rankine Cycles (ORC) used for power generation from multiple heat sources available at different temperatures. The model enables the automated generation of inclusive and flexible ORC cascades and is optimized using a global optimization algorithm. Design parameters include the number of ORC cascades, the shared structure of the heat exchanger network, the operating conditions and the working fluid used in each cascade in order to identify an overall ORC structure that maximizes the power output. Results indicate significant operating improvements from using a double ORC cascade with different working fluids.
PB  - Elsevier Science Bv, Amsterdam
T2  - 27th European Symposium on Computer Aided Process Engineering, Pt A
T1  - Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection
EP  - 774
SP  - 769
VL  - 40A
DO  - 10.1016/B978-0-444-63965-3.50130-6
ER  - 
@article{
author = "Stijepović, Mirko and Papadopoulos, Athanasios I. and Linke, Patrick and Stijepović, Vladimir and Grujić, Aleksandar and Kijevčanin, Mirjana and Seferlis, Panos",
year = "2017",
abstract = "We propose a systematic model for the optimum design of Organic Rankine Cycles (ORC) used for power generation from multiple heat sources available at different temperatures. The model enables the automated generation of inclusive and flexible ORC cascades and is optimized using a global optimization algorithm. Design parameters include the number of ORC cascades, the shared structure of the heat exchanger network, the operating conditions and the working fluid used in each cascade in order to identify an overall ORC structure that maximizes the power output. Results indicate significant operating improvements from using a double ORC cascade with different working fluids.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "27th European Symposium on Computer Aided Process Engineering, Pt A",
title = "Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection",
pages = "774-769",
volume = "40A",
doi = "10.1016/B978-0-444-63965-3.50130-6"
}
Stijepović, M., Papadopoulos, A. I., Linke, P., Stijepović, V., Grujić, A., Kijevčanin, M.,& Seferlis, P.. (2017). Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection. in 27th European Symposium on Computer Aided Process Engineering, Pt A
Elsevier Science Bv, Amsterdam., 40A, 769-774.
https://doi.org/10.1016/B978-0-444-63965-3.50130-6
Stijepović M, Papadopoulos AI, Linke P, Stijepović V, Grujić A, Kijevčanin M, Seferlis P. Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection. in 27th European Symposium on Computer Aided Process Engineering, Pt A. 2017;40A:769-774.
doi:10.1016/B978-0-444-63965-3.50130-6 .
Stijepović, Mirko, Papadopoulos, Athanasios I., Linke, Patrick, Stijepović, Vladimir, Grujić, Aleksandar, Kijevčanin, Mirjana, Seferlis, Panos, "Targeting and Design of Organic Rankine Cycle Systems for Multiple Heat Sources with Simultaneous Working Fluid Selection" in 27th European Symposium on Computer Aided Process Engineering, Pt A, 40A (2017):769-774,
https://doi.org/10.1016/B978-0-444-63965-3.50130-6 . .
1
1
1

Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection

Stijepović, Mirko; Papadopoulos, Athanasios I.; Linke, Patrick; Stijepović, Vladimir; Grujić, Aleksandar; Kijevčanin, Mirjana; Seferlis, Panos

(Elsevier Sci Ltd, Oxford, 2017)

TY  - JOUR
AU  - Stijepović, Mirko
AU  - Papadopoulos, Athanasios I.
AU  - Linke, Patrick
AU  - Stijepović, Vladimir
AU  - Grujić, Aleksandar
AU  - Kijevčanin, Mirjana
AU  - Seferlis, Panos
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3735
AB  - This work presents a systematic approach toward the design of Organic Rankine Cycles (ORC) for the generation of power from multiple heat sources available at different temperature levels. The design problem is approached in a mixed-integer non-linear programming (MINLP) formulation where an inclusive and flexible ORC model is automatically evolved by a deterministic algorithm for global optimization. The basic building block of the model is the ORC cascade which consists of a heat extraction, a power generation, a condensation and a liquid pressurization section. The aim of the optimization is to determine the optimum number of ORC cascades, the structure of the heat exchanger network shared among different cascades, the operating conditions and the working fluid used in each cascade in order to identify an overall ORC structure that maximizes the power output. The approach is illustrated through a case study which indicates that a system of two waste heat sources is best exploited through two interconnected ORC utilizing different working fluids.
PB  - Elsevier Sci Ltd, Oxford
T2  - Journal of Cleaner Production
T1  - Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection
EP  - 1970
SP  - 1950
VL  - 142
DO  - 10.1016/j.jclepro.2016.11.088
ER  - 
@article{
author = "Stijepović, Mirko and Papadopoulos, Athanasios I. and Linke, Patrick and Stijepović, Vladimir and Grujić, Aleksandar and Kijevčanin, Mirjana and Seferlis, Panos",
year = "2017",
abstract = "This work presents a systematic approach toward the design of Organic Rankine Cycles (ORC) for the generation of power from multiple heat sources available at different temperature levels. The design problem is approached in a mixed-integer non-linear programming (MINLP) formulation where an inclusive and flexible ORC model is automatically evolved by a deterministic algorithm for global optimization. The basic building block of the model is the ORC cascade which consists of a heat extraction, a power generation, a condensation and a liquid pressurization section. The aim of the optimization is to determine the optimum number of ORC cascades, the structure of the heat exchanger network shared among different cascades, the operating conditions and the working fluid used in each cascade in order to identify an overall ORC structure that maximizes the power output. The approach is illustrated through a case study which indicates that a system of two waste heat sources is best exploited through two interconnected ORC utilizing different working fluids.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Journal of Cleaner Production",
title = "Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection",
pages = "1970-1950",
volume = "142",
doi = "10.1016/j.jclepro.2016.11.088"
}
Stijepović, M., Papadopoulos, A. I., Linke, P., Stijepović, V., Grujić, A., Kijevčanin, M.,& Seferlis, P.. (2017). Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection. in Journal of Cleaner Production
Elsevier Sci Ltd, Oxford., 142, 1950-1970.
https://doi.org/10.1016/j.jclepro.2016.11.088
Stijepović M, Papadopoulos AI, Linke P, Stijepović V, Grujić A, Kijevčanin M, Seferlis P. Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection. in Journal of Cleaner Production. 2017;142:1950-1970.
doi:10.1016/j.jclepro.2016.11.088 .
Stijepović, Mirko, Papadopoulos, Athanasios I., Linke, Patrick, Stijepović, Vladimir, Grujić, Aleksandar, Kijevčanin, Mirjana, Seferlis, Panos, "Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection" in Journal of Cleaner Production, 142 (2017):1950-1970,
https://doi.org/10.1016/j.jclepro.2016.11.088 . .
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Targeting and design of industrial zone waste heat reuse for combined heat and power generation

Stijepović, Vladimir; Linke, Patrick; Stijepović, Mirko; Kijevčanin, Mirjana; Šerbanović, Slobodan P.

(Pergamon-Elsevier Science Ltd, Oxford, 2012)

TY  - JOUR
AU  - Stijepović, Vladimir
AU  - Linke, Patrick
AU  - Stijepović, Mirko
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2146
AB  - The basic materials industry contributes significantly to global energy demand. The efficient utilization of energy in these industries is essential to sustainable development. In numerous emerging countries, such industrial activity is concentrated in industrial zones. Typically, significant energy savings can be achieved through the exploitation of symbiotic relationships between companies within such zones. Building upon previous work in waste heat recovery and reuse without consideration of cogeneration, this work establishes a systematic approach to target heat and power cogeneration potentials within industrial zones and to design the corresponding optimal waste heat recovery and reuse networks. The initial focus of the approach is on retrofit solutions that reuse heat and extract power through existing utility systems. The application of the approach is illustrated with a case study.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Energy
T1  - Targeting and design of industrial zone waste heat reuse for combined heat and power generation
EP  - 313
IS  - 1
SP  - 302
VL  - 47
DO  - 10.1016/j.energy.2012.09.018
ER  - 
@article{
author = "Stijepović, Vladimir and Linke, Patrick and Stijepović, Mirko and Kijevčanin, Mirjana and Šerbanović, Slobodan P.",
year = "2012",
abstract = "The basic materials industry contributes significantly to global energy demand. The efficient utilization of energy in these industries is essential to sustainable development. In numerous emerging countries, such industrial activity is concentrated in industrial zones. Typically, significant energy savings can be achieved through the exploitation of symbiotic relationships between companies within such zones. Building upon previous work in waste heat recovery and reuse without consideration of cogeneration, this work establishes a systematic approach to target heat and power cogeneration potentials within industrial zones and to design the corresponding optimal waste heat recovery and reuse networks. The initial focus of the approach is on retrofit solutions that reuse heat and extract power through existing utility systems. The application of the approach is illustrated with a case study.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Energy",
title = "Targeting and design of industrial zone waste heat reuse for combined heat and power generation",
pages = "313-302",
number = "1",
volume = "47",
doi = "10.1016/j.energy.2012.09.018"
}
Stijepović, V., Linke, P., Stijepović, M., Kijevčanin, M.,& Šerbanović, S. P.. (2012). Targeting and design of industrial zone waste heat reuse for combined heat and power generation. in Energy
Pergamon-Elsevier Science Ltd, Oxford., 47(1), 302-313.
https://doi.org/10.1016/j.energy.2012.09.018
Stijepović V, Linke P, Stijepović M, Kijevčanin M, Šerbanović SP. Targeting and design of industrial zone waste heat reuse for combined heat and power generation. in Energy. 2012;47(1):302-313.
doi:10.1016/j.energy.2012.09.018 .
Stijepović, Vladimir, Linke, Patrick, Stijepović, Mirko, Kijevčanin, Mirjana, Šerbanović, Slobodan P., "Targeting and design of industrial zone waste heat reuse for combined heat and power generation" in Energy, 47, no. 1 (2012):302-313,
https://doi.org/10.1016/j.energy.2012.09.018 . .
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Toward enhanced hydrogen production in a catalytic naphtha reforming process

Stijepović, Vladimir; Linke, Patrick; Alnouri, Sabla; Kijevčanin, Mirjana; Grujić, Aleksandar; Stijepović, Mirko

(Pergamon-Elsevier Science Ltd, Oxford, 2012)

TY  - JOUR
AU  - Stijepović, Vladimir
AU  - Linke, Patrick
AU  - Alnouri, Sabla
AU  - Kijevčanin, Mirjana
AU  - Grujić, Aleksandar
AU  - Stijepović, Mirko
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2105
AB  - Environmental regulations imposed on transport fuels, especially specifications on sulfur and nitrogen content, generally boost hydrogen requirements in refining industries. The catalytic naphtha reformer (CNR) process is one of the major sources of hydrogen in naphtha refinery, thus improving its hydrogen production would be of great importance for refining industries. Close examination of the reaction kinetics of CNR processes has identified temperature, hydrogen concentration and catalyst activity as key variables affecting the process's performance. In this paper, a new reactor concept is developed that better exploits these process variables. The proposed membrane moving-bed reactor promises to significantly outperform the conventional continuous catalyst regenerative (CCR) design. A case study identifies improvements of 23.6 mol% in hydrogen production, 18.8 mol% in aromatics production. Moreover, the reformate yield was found to increase by 10.6 wt%, while the production of light gases decreases to a value of 18.6 wt%.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - International Journal of Hydrogen Energy
T1  - Toward enhanced hydrogen production in a catalytic naphtha reforming process
EP  - 11784
IS  - 16
SP  - 11772
VL  - 37
DO  - 10.1016/j.ijhydene.2012.05.103
ER  - 
@article{
author = "Stijepović, Vladimir and Linke, Patrick and Alnouri, Sabla and Kijevčanin, Mirjana and Grujić, Aleksandar and Stijepović, Mirko",
year = "2012",
abstract = "Environmental regulations imposed on transport fuels, especially specifications on sulfur and nitrogen content, generally boost hydrogen requirements in refining industries. The catalytic naphtha reformer (CNR) process is one of the major sources of hydrogen in naphtha refinery, thus improving its hydrogen production would be of great importance for refining industries. Close examination of the reaction kinetics of CNR processes has identified temperature, hydrogen concentration and catalyst activity as key variables affecting the process's performance. In this paper, a new reactor concept is developed that better exploits these process variables. The proposed membrane moving-bed reactor promises to significantly outperform the conventional continuous catalyst regenerative (CCR) design. A case study identifies improvements of 23.6 mol% in hydrogen production, 18.8 mol% in aromatics production. Moreover, the reformate yield was found to increase by 10.6 wt%, while the production of light gases decreases to a value of 18.6 wt%.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "International Journal of Hydrogen Energy",
title = "Toward enhanced hydrogen production in a catalytic naphtha reforming process",
pages = "11784-11772",
number = "16",
volume = "37",
doi = "10.1016/j.ijhydene.2012.05.103"
}
Stijepović, V., Linke, P., Alnouri, S., Kijevčanin, M., Grujić, A.,& Stijepović, M.. (2012). Toward enhanced hydrogen production in a catalytic naphtha reforming process. in International Journal of Hydrogen Energy
Pergamon-Elsevier Science Ltd, Oxford., 37(16), 11772-11784.
https://doi.org/10.1016/j.ijhydene.2012.05.103
Stijepović V, Linke P, Alnouri S, Kijevčanin M, Grujić A, Stijepović M. Toward enhanced hydrogen production in a catalytic naphtha reforming process. in International Journal of Hydrogen Energy. 2012;37(16):11772-11784.
doi:10.1016/j.ijhydene.2012.05.103 .
Stijepović, Vladimir, Linke, Patrick, Alnouri, Sabla, Kijevčanin, Mirjana, Grujić, Aleksandar, Stijepović, Mirko, "Toward enhanced hydrogen production in a catalytic naphtha reforming process" in International Journal of Hydrogen Energy, 37, no. 16 (2012):11772-11784,
https://doi.org/10.1016/j.ijhydene.2012.05.103 . .
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