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Achieving Optimal Paper Properties: A Layered Multiscale kMC and LSTM-ANN-Based Control Approach for Kraft Pulping. Processes (Basel) 2023. [DOI: 10.3390/pr11030809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
Abstract
The growing demand for various types of paper highlights the importance of optimizing the kraft pulping process to achieve desired paper properties. This work proposes a novel multiscale model to optimize the kraft pulping process and obtain desired paper properties. The model combines mass and energy balance equations with a layered kinetic Monte Carlo (kMC) algorithm to predict the degradation of wood chips, the depolymerization of cellulose, and the spatio-temporal evolution of the Kappa number and cellulose degree of polymerization (DP). A surrogate LSTM-ANN model is trained on data generated from the multiscale model under different operating conditions, dealing with both time-varying and time-invariant inputs, and an LSTM-ANN-based model predictive controller is designed to achieve desired set-point values of the Kappa number and cellulose DP while considering process constraints. The results show that the LSTM-ANN-based controller is able to drive the process to desired set-point values with the use of a computationally faster surrogate model with high accuracy and low offset.
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Bijok N, Fiskari J, Gustafson RR, Alopaeus V. Chip scale modelling of the kraft pulping process by considering the heterogeneous nature of the lignocellulosic feedstock. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Shibani B, Ambure P, Purohit A, Sutaria P, Bhartiya S. Control of batch pulping process using data-driven constrained iterative learning control. Comput Chem Eng 2023. [DOI: 10.1016/j.compchemeng.2023.108138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Jung J, Choi HK, Son SH, Kwon JSI, Lee JH. Multiscale modeling of fiber deformation: Application to a batch pulp digester for model predictive control of fiber strength. Comput Chem Eng 2022. [DOI: 10.1016/j.compchemeng.2021.107640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Zhang L, Xie J, Dubljevic S. Dynamic modeling and model predictive control of a continuous pulp digester. AIChE J 2021. [DOI: 10.1002/aic.17534] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Lu Zhang
- Department of Chemical & Materials Engineering University of Alberta Edmonton Alberta Canada
| | - Junyao Xie
- Department of Chemical & Materials Engineering University of Alberta Edmonton Alberta Canada
| | - Stevan Dubljevic
- Department of Chemical & Materials Engineering University of Alberta Edmonton Alberta Canada
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Multiclass moisture classification in woodchips using IIoT Wi-Fi and machine learning techniques. Comput Chem Eng 2021. [DOI: 10.1016/j.compchemeng.2021.107445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lee D, Green A, Wu H, Kwon JS. Hybrid
PDE‐kMC
modeling approach to simulate multivalent lectin‐glycan binding process. AIChE J 2021. [DOI: 10.1002/aic.17453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dongheon Lee
- Department of Biomedical Engineering Duke University Durham North Carolina USA
| | - Aaron Green
- Artie McFerrin Department of Chemical Engineering Texas A&M University Texas USA
| | - Hung‐Jen Wu
- Artie McFerrin Department of Chemical Engineering Texas A&M University Texas USA
| | - Joseph Sang‐Il Kwon
- Artie McFerrin Department of Chemical Engineering Texas A&M University Texas USA
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Son SH, Choi H, Kwon JS. Application of offset‐free Koopman‐based model predictive control to a batch pulp digester. AIChE J 2021. [DOI: 10.1002/aic.17301] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sang Hwan Son
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas USA
| | - Hyun‐Kyu Choi
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas USA
| | - Joseph Sang‐Il Kwon
- Artie McFerrin Department of Chemical Engineering Texas A&M University College Station Texas USA
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Choi HK, Son SH, Sang-Il Kwon J. Inferential Model Predictive Control of Continuous Pulping under Grade Transition. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c06216] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hyun-Kyu Choi
- Artie McFerrin Department of Chemical Engineering, 3122 TAMU, 100 Spence Street, College Station, Texas 77843, United States
- Texas A&M Energy Insitute, 1617 Research Parkway, College Station, Texas 77843, United States
| | - Sang Hwan Son
- Artie McFerrin Department of Chemical Engineering, 3122 TAMU, 100 Spence Street, College Station, Texas 77843, United States
- Texas A&M Energy Insitute, 1617 Research Parkway, College Station, Texas 77843, United States
| | - Joseph Sang-Il Kwon
- Artie McFerrin Department of Chemical Engineering, 3122 TAMU, 100 Spence Street, College Station, Texas 77843, United States
- Texas A&M Energy Insitute, 1617 Research Parkway, College Station, Texas 77843, United States
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Son SH, Choi HK, Kwon JSI. Multiscale modeling and control of pulp digester under fiber-to-fiber heterogeneity. Comput Chem Eng 2020. [DOI: 10.1016/j.compchemeng.2020.107117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Fearon O, Kuitunen S, Ruuttunen K, Alopaeus V, Vuorinen T. Detailed Modeling of Kraft Pulping Chemistry. Delignification. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02110] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Olesya Fearon
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, FI-00076 Aalto, Finland
| | | | - Kyösti Ruuttunen
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, FI-00076 Aalto, Finland
| | - Ville Alopaeus
- Department of Chemical and Metallurgical Engineering, School of Chemical Engineering, Aalto University, Kemistintie 1, FI-00076 Aalto, Finland
| | - Tapani Vuorinen
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Vuorimiehentie 1, FI-00076 Aalto, Finland
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Fearon O, Nykänen V, Kuitunen S, Ruuttunen K, Alén R, Alopaeus V, Vuorinen T. Detailed modeling of the kraft pulping chemistry: carbohydrate reactions. AIChE J 2020. [DOI: 10.1002/aic.16252] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Olesya Fearon
- Department of Bioproducts and BiosystemsAalto University, School of Chemical Engineering Aalto Finland
| | - Vesa Nykänen
- Laboratory of Applied ChemistryUniversity of Jyväskylä Jyväskylä Finland
| | | | - Kyösti Ruuttunen
- Department of Bioproducts and BiosystemsAalto University, School of Chemical Engineering Aalto Finland
| | - Raimo Alén
- Laboratory of Applied ChemistryUniversity of Jyväskylä Jyväskylä Finland
| | - Ville Alopaeus
- Department of Chemical and Metallurgical EngineeringAalto University, School of Chemical Engineering Aalto Finland
| | - Tapani Vuorinen
- Department of Bioproducts and BiosystemsAalto University, School of Chemical Engineering Aalto Finland
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Choi H, Kwon JS. Multiscale modeling and multiobjective control of wood fiber morphology in batch pulp digester. AIChE J 2020. [DOI: 10.1002/aic.16972] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hyun‐Kyu Choi
- Artie McFerrin Department of Chemical EngineeringTexas A&M University College Station Texas 77840 USA
| | - Joseph S.‐I. Kwon
- Artie McFerrin Department of Chemical EngineeringTexas A&M University College Station Texas 77840 USA
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