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Sodium & Calcium Bentonite - Heavy Metals in Soil

 
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eytonsearth
Site Admin


Joined: 31 Dec 1969
Posts: 278
Location: Las Vegas, Nevada

PostPosted: Sun May 14, 2006 7:39 am    Post subject: Sodium & Calcium Bentonite - Heavy Metals in Soil Reply with quote

Greetings, all:

Although the utilization of clays for heavy metal detoxification has not been fully studied for human use, there are quite a few scientific studies that demonstrate the ability of clays to bind heavy metals:


"Conclusions. Our results clearly show that the addition of clay minerals, especially of Na-bentonite and Ca-bentonite, decreased the extractability of four metals during incubation. The decreased metal extractability was accompanied by an increase of soil respiration, Corg mineralization, microbial biomass C, and inorganic N and a decrease of metabolic quotient (qCO2), showing positive effect of clay mineral addition on soil biological parameters.

Recommendations and Outlook. The use of Na-bentonite and Ca-bentonite is promising tool for reduction the extractability and possible toxicity of heavy metals in sewage sludge-contaminated soil. Therefore, the soils polluted with heavy metals may be ameliorated by addition of clay minerals, especially Na-bentonite and Ca-bentonite."

- http://www.scientificjournals.com/sj/jss/abstract/ArtikelId/7403?PHPSESSID=bb39fc2321decd19283f96511d34eee2
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jessicaKloser



Joined: 04 Jul 2010
Posts: 4

PostPosted: Mon Jul 05, 2010 8:49 pm    Post subject: Reply with quote

Bentonites accepting low adamant content, accept been begin to be acceptable catalytic agents in petroleum refining. The bentonites accepting Ca and / or Mg as changeable ions are acceptable decolourizers. Bentonites can blot baptize to a greater admeasurement than accustomed artificial clays. Fuller's earth, on the added hand, is non-plastic or semi-plastic in character. It has a foliated structure.
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colloidcure



Joined: 15 Apr 2011
Posts: 4

PostPosted: Mon Apr 18, 2011 10:24 am    Post subject: Reply with quote

I'm wondering what kind of steps would have to be taken to begin human research. I wish I was well connected some some of the local universities. What kind of major corporation might want to sink some money in to this kind of project??
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SimalLee



Joined: 19 May 2011
Posts: 1

PostPosted: Thu May 19, 2011 5:13 am    Post subject: Reply with quote

Thank you very much! This is Great!
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