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Diagram of simple filtration: oversize particles in the feed cannot pass through the lattice structure of the filter, while fluid and small particles pass through, becoming filtrate. Filtration is a physical separation process that separates solid matter and fluid from a mixture using a filter medium that has a complex structure through which ...
It is commonly thought to be named after the Nobel Laureate Eduard Buchner (without umlaut), but it is actually named after the industrial chemist Ernst Büchner. [2] A Büchner funnel fitted with Sintered Disc made of Boro 3.3 Glass. Diagram of filtration set-up using a Büchner flask
Added small particles to retentate stream, as a filter cannot produce a retentate free of "permeate" fluid. Note to users: this diagram shows crossflow filtration. 08:40, 4 February 2007: 411 × 256 (42 KB) LadyofHats: trying to make it show: 08:39, 4 February 2007: 371 × 231 (42 KB) LadyofHats
The principal advantage of this is that the filter cake (which can blind the filter) is substantially washed away during the filtration process, increasing the length of time that a filter unit can be operational. It can be a continuous process, unlike batch-wise dead-end filtration. Diagram of cross-flow filtration
Nanofiltration is a membrane filtration process that uses nanometer sized pores through which particles smaller than about 1–10 nanometers pass through the membrane. Nanofiltration membranes have pore sizes of about 1–10 nanometers, smaller than those used in microfiltration and ultrafiltration , but a slightly bigger than those in reverse ...
English: Diagram showing the main parts of a HEPA filter on the large diagram; its operation is shown on the 3 smaller diagrams: the thick brown/tan lines represent fibers in the filter medium. the blue lines represent air flow. The dark circle represents a particle (dust, bacteria, spore, etc.)
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The dead-end filtration process is usually a batch-type process, where the filtering solution is loaded (or slowly fed) into the membrane device, which then allows passage of some particles subject to the driving force. The main disadvantage of dead-end filtration is the extensive membrane fouling and concentration polarization. The fouling is ...