Dehydration methods can be divided into three categories according to their working principles:
1. Mechanical Dehydration Method The mechanical dehydration method is a method of separating moisture from solid materials by mechanical force (gravity, pressure, etc.). Such as precipitation concentration, filtration, gravity dehydration and centrifugal dehydration.
2. Heating Dehydration Method The heating dehydration method is a method of separating water from solid materials by utilizing heat to vaporize water. Such as dry.
3. Physical chemical dehydration method The physical chemical dehydration method utilizes water-absorbing chemicals such as lime and anhydrous calcium chloride to absorb moisture in solid materials.
The choice of dehydration method should be determined according to many factors such as the distribution characteristics of water in the material, the content and the particle size of the material. At the same time, the technical and economic indicators of the dehydration process should be fully considered, so that the process is based on a reasonable and economic basis.
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