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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۱، شماره ۳، صفحات ۱۰۲۲-۱۰۳۳
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عنوان انگلیسی Evaluation of Thin-layer Models for Kinetic Analysis in Unbleached Kraft Pulpboard Drying
چکیده انگلیسی مقاله The drying characteristics of unbleached Kraft pulpboard have been studied in convective drying equipment under different hot air temperatures and velocities. In this work, the drying experiments were conducted in the range of 80-100℃ and 1.87-2.48m/s, respectively. The results indicated that high air temperature and velocity are beneficial to increasing drying rate and decreasing drying time. Ten thin-layer drying models were evaluated to describe the drying kinetic of unbleached Kraft pulpboard for its suitability. Based on the statistical analysis, the Yun model could predict the pulpboard drying kinetic better than others in terms of fitting performance. Through calculation and fitting, the effective moisture diffusivity varied from 2.077´10-10 to 3.631´10-10m2/s over the investigated temperature range and the average activation energy for moisture diffusion was 22.818 kJ/mol.
کلیدواژه‌های انگلیسی مقاله Thin-layer model,Drying characteristics,kinetic,Pulpboard
نویسندگان مقاله Lingbo Kong |
College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021, P.R. CHINA

Xing Yang |
College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021, P.R. CHINA

Zhihao Hou |
Department of Physics, Faculty of Science, University of Malaya, Kuala Lumpur, MALAYSIA

Jixian Dong |
College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’an, Shaanxi Province, 710021, P.R. CHINA

نشانی اینترنتی https://ijcce.ac.ir/article_242639_d250a693520da891df95e8a9f1a34415.pdf
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