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Use of the Weibull model on sizing thickeners ‐ Part I: Sedimentation curve representation
The Canadian Journal of Chemical Engineering ( IF 2.1 ) Pub Date : 2020-10-26 , DOI: 10.1002/cjce.23904
Daniel José de Oliveira Ferreira 1 , Matheus Pires de Mattos Fiuza 2 , Marcelo Cardoso 2 , Idalmo Montenegro Oliveira 2
Affiliation  

The present work aims to represent the sedimentation curve of different industrial pulps through the Weibull model PDF, which employs two parameters k and γ, dispensing the graphical methods to design thickeners and clarifiers, using exclusively mathematical equations. This provides greater accuracy and increases significantly the speed in sizing calculations. To ratify the use of the model, sedimentation curves of various types of pulps were generated in the laboratory, several types of curves were obtained through tests given in the literature and exhaustive comparison tests between the data obtained in the tests and those predicted by the model. The proposed model presented good data adjustment in relation to those obtained in several bibliographic references, presenting maximum error of 12%.

中文翻译:

威布尔模型在增稠剂施胶中的用途‐第一部分:沉降曲线表示

本工作旨在通过Weibull模型PDF表示不同工业纸浆的沉降曲线,该模型使用两个参数k和γ,使用专门的数学方程分配图形方法来设计增稠剂和澄清剂。这提供了更高的准确性,并显着提高了尺寸计算的速度。为了批准该模型的使用,在实验室中生成了各种纸浆的沉降曲线,通过文献中给出的测试以及测试中获得的数据与模型预测的数据之间的详尽比较测试获得了几种类型的曲线。 。相对于从多个书目参考文献中获得的数据,所提出的模型提供了良好的数据调整,最大误差为12%。
更新日期:2020-10-26
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