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  2. Activated carbon - Wikipedia

    en.wikipedia.org/wiki/Activated_carbon

    Activated carbon. Activated carbon, also called activated charcoal, is a form of carbon commonly used to filter contaminants from water and air, among many other uses. It is processed (activated) to have small, low-volume pores that greatly increase the surface area [1] [2] available for adsorption or chemical reactions [3] that can be thought of as a microscopic "sponge" structure (adsorption ...

  3. Electrochemical regeneration - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_regeneration

    In waste water treatment, the most commonly used adsorbent is granular activated carbon (GAC), often used as to treat both liquid and gas phase volatile organic compounds and organic pollutants. [ 1 ] [ 2 ] Activated carbon beds vary in lifetime depending on the concentration of the pollutant(s) being removed, their associated adsorption ...

  4. Aerobic granulation - Wikipedia

    en.wikipedia.org/wiki/Aerobic_granulation

    Proponents of aerobic granular sludge technology claim "it will play an important role as an innovative technology alternative to the present activated sludge process in industrial and municipal wastewater treatment in the near future" [1] and that it "can be readily established and profitably used in activated sludge plants". [2]

  5. Powdered activated carbon treatment - Wikipedia

    en.wikipedia.org/wiki/Powdered_activated_carbon...

    The carbon also acts as a "buffer" against the effects of toxic organics in the wastewater. [4] In such a system, biological treatment and carbon adsorption are combined into a single, synergistic treatment step. [3] The result is a system which offers significant cost reduction compared to activated sludge and granular carbon treatment options ...

  6. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Granular activated carbon is a form of activated carbon with a high surface area. It adsorbs many compounds including many toxic compounds. Water passing through activated carbon is commonly used in municipal regions with organic contamination, taste or odors. Many household water filters and fish tanks use activated carbon filters to purify water.

  7. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    Granular activated carbon filtering utilizes a form of activated carbon with a high surface area, and adsorbs many compounds, including many toxic compounds. Water passing through activated carbon is commonly used in concert with hand pumped filters to address organic contamination, taste, or objectionable odors. Activated carbon filters aren't ...

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