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2. Bentonite - Wikipedia

   en.wikipedia.org/wiki/Bentonite

   Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.

3. Evaporation pond - Wikipedia

   en.wikipedia.org/wiki/Evaporation_pond

   A shallow pond covering greater surface area will result in faster rates of evaporation. [2] Evaporation pond liners that range in quality and cost are used to prevent contamination. Evaporation pond liners are categorized as geomembrane, constructed bentonite clay, or natural clay. [7] Each pond liner is prone to leakage and requires regular ...

4. Geosynthetic clay liner - Wikipedia

   en.wikipedia.org/wiki/Geosynthetic_clay_liner

   Geosynthetic clay liners ( GCLs) are factory manufactured hydraulic barriers consisting of a layer of bentonite or other very low-permeability material supported by geotextiles and/or geomembranes, mechanically held together by needling, stitching, or chemical adhesives. Due to environmental laws, any seepage from landfills must be collected ...

5. Ayilo - Wikipedia

   en.wikipedia.org/wiki/Ayilo

   Ayilo, also known as ayilor, hyile,[ 1] and ferinkasa, is a Ghanaian term for bentonite clay. [ 2][ 3] It is a baked solid white clay usually taken by pregnant women. [ 4][ 5] They are usually baked into egg-shaped balls. [ 6] Ewes call it agatawoe/agatawe, Gas called it ayilo, English call it kaolin and the Akans call it shirew/shile. [ 7][ 8]

6. Smectite - Wikipedia

   en.wikipedia.org/wiki/Smectite

   Smectite. A smectite (from Ancient Greek σμηκτός (smēktós) 'lubricated'; from σμηκτρίς (smēktrís) 'walker's earth, fuller's earth '; lit. 'rubbing earth; earth that has the property of cleaning') [ 1] is a mineral mixture of various swelling sheet silicates ( phyllosilicates ), which have a three-layer 2:1 (TOT) structure and ...

7. Phoslock - Wikipedia

   en.wikipedia.org/wiki/Phoslock

   Phoslock is the commercial name for a bentonite clay in which the sodium and/or calcium ions are exchanged for lanthanum. The lanthanum contained within Phoslock reacts with phosphate to form an inert mineral known as rhabdophane ( ). Phoslock is used in lake restoration projects to remove excess phosphorus from aquatic systems, thereby ...