Influence of heating and moisture content on sludge drying process

被引：2
|
作者：
Flori, M. [1 ]
Milostean, D. [1 ]
机构：
[1] Politehn Univ Timisoara, Dept Engn & Management, 5 Revolut St, Hunedoara 331128, Romania
来源：
INTERNATIONAL CONFERENCE ON APPLIED SCIENCES | 2020年 / 1426卷
关键词：
D O I：
10.1088/1742-6596/1426/1/012056
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Drying is one of the most efficient processes to reduce sludge volume by lowering moisture content. Vacuum filters are equipment suitable for sludge drying in small wastewater treatment plants. It is known that by reducing pressure in the filter, the vaporization process begins at lower temperature. The aim of this study is to estimate the values of liquid (free water) and gaseous (air) phase ratios in sludge cake during vacuum drying. Numerical results in function of heating temperature and cake initial moisture content are estimated by finite element analysis in a central point situated on cake surface.
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页数：7
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