Purification is the process of rendering something pure, i.e. clean of foreign elements and/or pollution, and may refer to:
  • List of purification methods in chemistry
  • Water purification
    Water purification
    Water purification is the process of removing undesirable chemicals, materials, and biological contaminants from contaminated water. The goal is to produce water fit for a specific purpose...

    • Organisms used in water purification
      Organisms used in water purification
      At present, several species of water-purifying plants, bacteria, and fish are used in water purification, improving efficiency and/or ecosystem support.-Organisms:...

  • Purification of quantum state
    Purification of quantum state
    In quantum mechanics, especially quantum information, purification refers to the fact that every mixed state acting on finite dimensional Hilbert spaces can be viewed as the reduced state of some pure state....

     in quantum mechanics, especially quantum information
  • Purification theorem
    Purification theorem
    In game theory, the purification theorem was contributed by Nobel laureate John Harsanyi in 1973. The theorem aims to justify a puzzling aspect of mixed strategy Nash equilibria: that each player is wholly indifferent amongst each of the actions he puts non-zero weight on, yet he mixes them so as...

     in game theory and economics, a Nash equilibrium consisting of randomly mixed strategies
  • Ritual purification
    Ritual purification
    Ritual purification is a feature of many religions. The aim of these rituals is to remove specifically defined uncleanliness prior to a particular type of activity, and especially prior to the worship of a deity...

    , the religious activity to remove uncleanliness
  • Purification of the Virgin, a Christian liturgical feast
  • Purification Rundown
    Purification Rundown
    The Purification Rundown, also known as the Purif or the Hubbard Method, is a controversial detoxification program developed by Scientology's founder L. Ron Hubbard and used by the Church of Scientology as an introductory service. Scientologists consider it the only effective way to deal with the...

     in Scientology, a procedure that supposedly rids the body of toxins
  • Purification
    Purification (album)
    -Track listing:#"Lack of Compassion" - 4:21#"Humbled" - 3:51#"Sarcastic Deviation" - 4:27#"Withered" - 3:53#"My Neighbor" - 3:32#"Narrow" - 6:19#"Eviscerate" - 3:30#"Meaningless" - 3:03#"Thy Word" - 4:16#"Misguided Mercy" - 5:05#"Finding" - 4:08...

    , a 2002 Crimson Thorn album
  • Sweat lodge
    Sweat lodge
    The sweat lodge is a ceremonial sauna and is an important event in some North American First Nations or Native American cultures...

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