On the usage of online fiber measurements for predicting bleached eucalyptus kraft pulp tensile index — an industrial case

IF 0.6 4区 农林科学 Q4 MATERIALS SCIENCE, PAPER & WOOD Tappi Journal Pub Date : 2022-08-01 DOI:10.32964/tj21.7.365
R. B. Demuner, C. Faria, Américo de Almeida, P. Pignaton
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Abstract

Cellulose pulp’s physical-mechanical properties are determined by laboratory tests obtained from prepared handsheets. However, this procedure is time intensive and presents a lead time until the results are available, hindering its utilization for monitoring and decision-making in a pulp mill. In this context, developing real-time solutions for physical-mechanical properties prediction is fundamental. This work applied a mathematical modeling approach to develop a soft sensor for tensile index monitoring. The mathematical model considers online morphology measurements obtained from the last bleaching stage outlet stream and important process variables for tensile index prediction. The results obtained are satisfactory compared to laboratory results, presenting a mean absolute percentual error of 2.5%, which agrees with the laboratory testing method’s reproducibility.
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在线纤维测量法预测漂白桉树硫酸盐浆拉伸指数的应用——一个工业案例
纤维素浆的物理力学性能是通过从制备的手抄纸中获得的实验室测试来确定的。然而,该程序是时间密集型的,并且在获得结果之前需要一段时间,阻碍了其在纸浆厂中用于监测和决策。在这种情况下,开发物理力学性能预测的实时解决方案是至关重要的。本工作应用数学建模方法开发了一种用于拉伸指数监测的软传感器。该数学模型考虑了从最后一个漂白阶段出口流获得的在线形态测量结果和用于拉伸指数预测的重要过程变量。与实验室结果相比,获得的结果令人满意,平均绝对百分比误差为2.5%,这与实验室测试方法的再现性一致。
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来源期刊
Tappi Journal
Tappi Journal 工程技术-材料科学:纸与木材
CiteScore
1.30
自引率
16.70%
发文量
59
审稿时长
6-12 weeks
期刊介绍: An internationally recognized technical publication for over 60 years, TAPPI Journal (TJ) publishes the latest and most relevant research on the forest products and related industries. A stringent peer-review process and distinguished editorial board of academic and industry experts set TAPPI Journal apart as a reliable source for impactful basic and applied research and technical reviews. Available at no charge to TAPPI members, each issue of TAPPI Journal features research in pulp, paper, packaging, tissue, nonwovens, converting, bioenergy, nanotechnology or other innovative cellulosic-based products and technologies. Publishing in TAPPI Journal delivers your research to a global audience of colleagues, peers and employers.
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