Mathematical Models of Natural Rubber Sheets Drying: Difference Acid Coagulation Cases

Q3 Chemical Engineering

Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Pub Date : 2024-06-01 DOI:10.37934/arfmts.117.2.3745

Visit Eakvanich, Wachara Kalasee, Putipong Lakachaiworakun, Panya Dangwilailux, Wassachol Wattana

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Abstract

The mathematical model for drying process is a useful tool in process optimization and drying chamber design. The research purposes of this study were to investigate the influence of drying temperature on drying time and the modelling the drying kinetics of the natural rubber (NR) sheets. The NR sheets which produce from commercial formic acid, commercial acetic acids, and ammonia plus commercial formic acid were studied at drying temperature of 40, 50, and 60oC and air speed of 0.5 m/s. The results indicated that the drying time was substantially reduced with an increase in temperature. The moisture content ratio of rubber sheets produce from commercial formic acid coagulation was similar to the sheets produce from commercial acetic acids coagulation. However, the drying time of them were longer than the drying time of the sheets produce from ammonia plus commercial formic acid coagulation. Finally, the logarithmic model was the best model which suitable to predict the moisture content ratio of the sheets drying with all experimental condition.

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天然橡胶板干燥数学模型：差异酸凝案例

干燥过程的数学模型是工艺优化和干燥室设计的有用工具。本研究的目的是探讨干燥温度对干燥时间的影响，并建立天然橡胶（NR）板材干燥动力学模型。在干燥温度为 40、50 和 60 摄氏度、风速为 0.5 米/秒的条件下，研究了由商用甲酸、商用乙酸和氨水加商用甲酸生产的 NR 板材。结果表明，随着温度的升高，干燥时间大大缩短。商用甲酸凝固法生产的橡胶板的含水率与商用醋酸凝固法生产的橡胶板相似。然而，它们的干燥时间都比氨水加商用甲酸凝固法生产的橡胶板的干燥时间长。最后，对数模型是预测所有实验条件下片材干燥含水率的最佳模型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

2.40

自引率

0.00%

发文量

176

期刊介绍： This journal welcomes high-quality original contributions on experimental, computational, and physical aspects of fluid mechanics and thermal sciences relevant to engineering or the environment, multiphase and microscale flows, microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.