Glossary Terms (Simple List)
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Feed
The starting solution prior to filtration. (TR15)
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Feed (or Load or Feedstock or Feedstream)
The fluid introduced into a process. (TR41)
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Feed Pressure
The pressure measured at the inlet of the tangential flow filter device. (TR15)
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Feret Min and Max
Feret Min is the minimum distance between parallel tangents at opposing particle borders. Feret Max is the maximum distance between parallel tangents at opposing particle borders.
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Fermentation Broth
The fluid and all constituents in a fermentation vessel prior to separation. (TR45)
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Filter
A porous medium used for the separation of components in a fluid stream.(TR15)
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Filter (noun)
A device used to remove particles from a fluid process stream that consists of a porous medium and a support structure. Porous material through which a liquid or gas is passed to remove viable and non-viable particles.(TR26)
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Filter (verb)
To pass a fluid through a porous medium whereby bacteria or other particles are removed from the fluid. (TR26)
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Filter Area
The effective surface area of a filter that is available for filtration; not the internal pore surface area, but rather the surface of one side of a filter. (TR45)
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Filter Efficiency
A measurement of how well a filter retains particles. It is usually expressed as the percentage, or ratio, of the retention of particles of a specific size by a filter. (TR26)