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Everything about Filtration

Process that separates solids from fluids

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 only the fluid can pass. Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate. Oversize particles may form a filter cake on top of the filter and may also block the filter lattice, preventing the fluid phase from crossing the filter, known as blinding. The size of the largest particles that can successfully pass through a filter is called the effective pore size of that filter. The separation of solid and fluid is imperfect; solids will be contaminated with some fluid and filtrate will contain fine particles. Filtration occurs both in nature and in engineered systems; there are biological, geological, and industrial forms. In everyday usage the verb "strain" is more often used; for example, using a colander to drain cooking water from cooked pasta. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: FiltrationA 5-minute orientation
  2. Skim a recent paper: Estimated Glomerular Filtration Rate, Albuminuria, and Adverse OutcomesInfluential work since 2022
  3. Pick up a classic book: The filtration of public water-suppliesThe most-reprinted book on the subject
  4. Read the landmark paper: A New Equation to Estimate Glomerular Filtration RateCited 23,121 times
  5. Go sideways: Gravity filtrationA closely related topic
  6. Go sideways: Depth filterA closely related topic

📖 Definitions

Noun The act or process of filtering; the mechanical separation of a liquid from the undissolved particles floating in it.

Noun A totally ordered collection of subsets.

🗂️ The subject at a glance

  1. Physical processes
  2. Biological filtration
  3. Examples

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics