Filters filter press

Suction filters that are similar to Buchner funnels are often used in pilot plants. These filters may be used in many operations on a small scale. With relatively thick filter cakes, extended filtration times occur. To speed the removal of liquids (deliquoring) from the filter cakes, operations may use other types of filters, such as Nutsche filters, filter presses, and centrifuges [18]. Centrifuges are often used in manufacturing operations for the efficient isolation of solids. Laboratory centrifuges are available for studies before committing a process to scale-up. 

Sedimenting centrifuges Filtering centrifuges Hydrocyclones Deep-bed filters Cartridge filters Pressure vessel filters Filter presses Continuous filters Gravity separation equipment... 

The two main types of conventional filter used for cell separation are plate filters (filter press) and rotary drum filters ... 

Once the reaction is complete, the reaction mixture is passed over a suitable separator such as a vacuum belt filter, rotary filter, filter press, or decanter to separate crystals from the mother liquor and washed free of excess reactants (see Figure 22.12). The hot deionized wash water may be evaporator condensate, which is recycled from the mother liquor concentration process. Volumes and, therefore, evaporation costs can be minimized by using a countercurrent washing process. The effluent wash water has a pH value between 9 and 12. The mother liquor filtrate and wash water contain excess of sodium hydroxide and possibly an excess of alumina. The complete utilization of the mother liquor is essential in the manufacturing of zeolites. Therefore, it is concentrated in... 

Satin 7200 335 635 Belt filter, drum filter, leaf filter, filter press... 

Satin 9000 340 660 Belt, drum and rotary disc filters, filter press, centrifuge... 

The two equipment simulation modules provide calculation sequences for more than 20 types of vacuum and pressure filters, potentially involving combinations of cake formation, compression, gas deliquoring and washing. Batch filters include single and multi-element leaf filters, filter presses and diaphragm and tube presses while continuous filters include the horizontal belt, drum, disc, table and tilting pan filters. The user is able to define filter... 

Simulation of pressure filter equipment (Nutsche, multi-element leaf filters, filter presses, diaphragm, and tube filters)... 

Sludge dewatering (vac. filter, filter press, centrifuge or belt press)... 

Other types of filters, such as the rotating table filter, the candle filter, filter presses, etc., are described in detail in the recent filtration literature (Dickenson, 1994 Schweitzer, 1997 Svarovsky, 1990). 

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