Examples of 'metakaolin' in a sentence
Meaning of "metakaolin"
Metakaolin is a highly reactive form of kaolin clay that is used in the production of high-performance concrete and cement products
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- A dehydroxylated form of the clay mineral kaolinite.
How to use "metakaolin" in a sentence
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metakaolin
Metakaolin is the thermally activated product of kaolinite.
However the composition does not contain metakaolin.
Metakaolin is formed in the dehydrogenation of kaolin.
Further possible components are metakaolin and limestone.
Metakaolin is the anhydrous calcined form of the clay mineral kaolinite.
All the kaolin is converted to metakaolin.
Metakaolin and recycled glass can also be present in the binder.
But these species are also implicated in the dissolution of metakaolin.
More preferably metakaolin is added to the caustic pool in a slurry form.
The fume is added at the same time as the metakaolin.
Also for acetic acid the use of metakaolin leads to optimum catalysts.
The hydratable aluminosilicate is metakaolin.
In one embodiment, metakaolin is combined with a liquid to form a slurry.
Calcination converts the hydrous kaolin to the metakaolin state.
Metakaolin or a mixture of metakaolin and a non-thermally activated aluminosilicate, and.
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Relatively lightly calcined clay products such as metakaolin are suitable.
Metakaolin powder has a low surface área, as measured by the BET method.
The preferred substantially water insoluble acid forming component is acid treated metakaolin.
Background of the Invention The use of metakaolin in cement is known.
The cementitious mixture may also contain an additional material such as silica fume or metakaolin.
A preferred Second Material is metakaolin microspheres.
One could use a high reactive filler such as ultra fine silica fume and metakaolin.
In addition, materials other than metakaolin may be incorporated into the mixture.
The moulding is then calcined in step c, kaolin being converted to metakaolin.
It is obvious that a portion of the metakaolin can supply a source of aluminium and / or silica.
In one embodiment, the hydrophilic material comprises metakaolin microspheres.
Metakaolin is an efficient, well-known pozzolan.
The preparation method of the metakaolin used ;.
For example, metakaolin may be prepared as described by Stevenson and Sagoe-Crentsil in J. Mater.
In fact, the zeolite phase only appears when metakaolin is used.
Process according to claim 4 wherein metakaolin is added to the caustic pool in a slurry form.
The labelstock of claim 1 wherein the hydrophilic material comprises metakaolin microspheres.
In this research was used two types of metakaolin, metakaolin residue ( mcr ) and metakaolin mc.
The method according to claim 8, wherein the powder sorbent comprises metakaolin.
Field of the Invention This invention relates to novel metakaolin containing cement-based compositions.
In this case, the hardener is made of blast furnace slag and metakaolin.
In a preferred embodiment, the metakaolin combined with water has a particle size from 0.1 micron to 5 microns.
The composition of claim 12 comprising a mixture of sodium chlorite and metakaolin microspheres.
Home, Metakaolin and geopolymer, Geopolymers, BAUCIS KNa.
The cement-based compositions contain at least one highly reactive pozzolan, which is metakaolin.
Natural pozzolans, industrial waste, such as fly ash, metakaolin and others are commonly usea.
This indicates a reduction in the water demand of the first composition containing spray-dried metakaolin.
Home, Metakaolin and geopolymer, Geopolymers, BAUCIS INa.
Preferably, said anti-shrinkage additive is aluminium silicate or metakaolin.
Home, Metakaolin and geopolymer, Geopolymers, BAUCIS LBNa.
A method according to claim 6 or 7, wherein the calcined clay mineral is metakaolin.
Metakaolin No. 5 does not meet the criterion relating to the Chapelle test at 90 ° C.
Preferably the sorbent according to the invention comprises at least approx . 20 % by weight of metakaolin.
The binder according to claim 7, wherein the binder further contains metakaolin and / or limestone.
In various embodiments, preferred clays include calcium montmorillonite, sodium montmorillonite, kaolin, and metakaolin.
