4.5 Article

Pulp and paper characterization by means of artificial neural networks for effluent solid waste minimization-A case study

期刊

JOURNAL OF PROCESS CONTROL
卷 105, 期 -, 页码 283-291

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.jprocont.2021.08.012

关键词

Manufacturing; Artificial neural network; Optimization; Zeta potential; Charge demand; Sustainability

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The study implemented and trained four artificial neural networks to predict the main electrochemical and physical features of cellulose pulp and paper, showing outstanding prediction performance and providing a valuable tool for reducing pollutants in paper mills.
Paper mills are among the most polluting industries, responsible for many organic and inorganic compounds emissions. The fibres electro-kinetic features strongly affect the ability to retain fillers since the fillers-fibres interactions are charge induced. The control and the prediction of these parameters would represent a precious aid for process management, allowing the fillers retention enhancement, a lower environmental impact and the paper sheet properties streamlining. The work presented deals with the implementation and training of four artificial neural networks (ANNs) for the prediction of the main electrochemical and physical features of cellulose pulp and paper. First, two ANNs predict the electrochemical parameters. Following, they were applied to predict the paper sheet properties and fillers retention. The neural models implemented showed outstanding prediction performance, with R-2 in the order of 0.999 and a low mean error. The results demonstrate how Artificial Neural Networks may be a valuable instrument for paper mill pollutant reduction. However, they suggest a more inclusive investigation for a better fibres behaviour representation. (C) 2021 Elsevier Ltd. All rights reserved.

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