Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN

Steam cracking of naphtha is an important process for the production of olefins. Applying artificial intelligence helps achieve high-frequency real-time optimization strategy and process control. This work employs an artificial neural network (ANN) model with two sub-networks to simulate the naphtha...

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Main Authors: Yu Ren, Zuwei Liao, Yao Yang, Jingyuan Sun, Binbo Jiang, Jingdai Wang, Yongrong Yang
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Chemical Engineering
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fceng.2022.983035/full
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author Yu Ren
Yu Ren
Zuwei Liao
Yao Yang
Yao Yang
Jingyuan Sun
Binbo Jiang
Jingdai Wang
Yongrong Yang
author_facet Yu Ren
Yu Ren
Zuwei Liao
Yao Yang
Yao Yang
Jingyuan Sun
Binbo Jiang
Jingdai Wang
Yongrong Yang
author_sort Yu Ren
collection DOAJ
description Steam cracking of naphtha is an important process for the production of olefins. Applying artificial intelligence helps achieve high-frequency real-time optimization strategy and process control. This work employs an artificial neural network (ANN) model with two sub-networks to simulate the naphtha steam cracking process. In the first feedstock composition ANN, the detailed feedstock compositions are determined from the limited naphtha bulk properties. In the second reactor ANN, the cracking product yields are predicted from the feedstock compositions and operating conditions. The combination of these two sub-networks has the ability to accurately and rapidly predict the product yields directly from naphtha bulk properties. Two different feedstock composition ANN strategies are proposed and compared. The results show that with the special design of dividing the output layer into five groups of PIONA, the prediction accuracy of product yields is significantly improved. The mean absolute error of 11 cracking products is 0.53wt% for 472 test sets. The comparison results show that this indirect feedstock composition ANN has lower product prediction errors, not just the reduction of the total error of the feedstock composition. The critical factor is ensuring that PIONA contents are equal to the actual values. The use of an indirect feedstock composition strategy is a means that can effectively improve the prediction accuracy of the whole ANN model.
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spelling doaj.art-914ba11bc8fa4089946929c091ce32a62022-12-22T04:25:29ZengFrontiers Media S.A.Frontiers in Chemical Engineering2673-27182022-09-01410.3389/fceng.2022.983035983035Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANNYu Ren0Yu Ren1Zuwei Liao2Yao Yang3Yao Yang4Jingyuan Sun5Binbo Jiang6Jingdai Wang7Yongrong Yang8State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, ChinaZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, ChinaState Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, ChinaState Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaState Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaState Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaState Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, ChinaSteam cracking of naphtha is an important process for the production of olefins. Applying artificial intelligence helps achieve high-frequency real-time optimization strategy and process control. This work employs an artificial neural network (ANN) model with two sub-networks to simulate the naphtha steam cracking process. In the first feedstock composition ANN, the detailed feedstock compositions are determined from the limited naphtha bulk properties. In the second reactor ANN, the cracking product yields are predicted from the feedstock compositions and operating conditions. The combination of these two sub-networks has the ability to accurately and rapidly predict the product yields directly from naphtha bulk properties. Two different feedstock composition ANN strategies are proposed and compared. The results show that with the special design of dividing the output layer into five groups of PIONA, the prediction accuracy of product yields is significantly improved. The mean absolute error of 11 cracking products is 0.53wt% for 472 test sets. The comparison results show that this indirect feedstock composition ANN has lower product prediction errors, not just the reduction of the total error of the feedstock composition. The critical factor is ensuring that PIONA contents are equal to the actual values. The use of an indirect feedstock composition strategy is a means that can effectively improve the prediction accuracy of the whole ANN model.https://www.frontiersin.org/articles/10.3389/fceng.2022.983035/fullnaphthasteam crackingartificial neural networkmodelingproduct prediction
spellingShingle Yu Ren
Yu Ren
Zuwei Liao
Yao Yang
Yao Yang
Jingyuan Sun
Binbo Jiang
Jingdai Wang
Yongrong Yang
Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
Frontiers in Chemical Engineering
naphtha
steam cracking
artificial neural network
modeling
product prediction
title Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
title_full Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
title_fullStr Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
title_full_unstemmed Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
title_short Direct prediction of steam cracking products from naphtha bulk properties: Application of the two sub-networks ANN
title_sort direct prediction of steam cracking products from naphtha bulk properties application of the two sub networks ann
topic naphtha
steam cracking
artificial neural network
modeling
product prediction
url https://www.frontiersin.org/articles/10.3389/fceng.2022.983035/full
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