Technology relating to selecti
Technology relating to selection
2018-10-10 14:25:55 点击量：次
The centrifuge is mainly applied in field of nonorganic chemical, organic chemical, petroleum, pharmaceutical and intermediates, chemical fertilizer, farm chemical, dye, food and additives. With its centrifugal force, the powerful filtering pressure, the centrifuge is applicable for separation of solid/liquid mixture and purifying (rinsing) products out of the separation process and therefore widely applied in many industries.
Whether a centrifuge is applicable is determined by following factors:
1）Type of separation to be undertaken, liquid or solid (medium corrosive or explosion-proof?)
2）Size, shape and density of particles (size distribution)
3）Density of the solid content and relative density of the liquid content
4）Sedimentation rate
5）Sedimentation rate
6）Dynamic viscosity
7）Temperature
8）PH value
9）Throughput
10）Washing requirement
11）GMP requirement
Among which, size of solid particle, sedimentation rate and concentration of the mixture are three major index for determining applicability/serviceability of the unit. In addition to physical and chemical properties abovementioned, factors/index including washing requirement, solid content rate of the liquid phase, moisture content of the filtering cake and other factors also need to be considered while determining application/serviceability of the unit.
To define a most applicable separation process, the most suitable technology to be applied shall be selected from three options, i.e. filtration, sedimentation or sedimentation plus filtration. Sedimentation option is more economic than the filtration option and it’s especially suitable in case of bulk amount of treatment and continuous flow of liquid.
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