Examples of 'are calcined' in a sentence
Meaning of "are calcined"
Calcined: is a term used in chemistry to refer to the process of heating a substance at high temperatures to remove volatile components. This process is commonly used in the production of ceramics and cement
How to use "are calcined" in a sentence
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are calcined
The three minerals are calcined to form mullite.
Such ostensibly simple procedures afford hydrated oxides that are calcined.
The powders thus obtained are calcined at an appropriate temperature.
Particulate hydrophilic materials useful for the purposes of this invention are calcined kaolins.
The extrudates are calcined in an electrically heated muffle furnace.
Examples of such particles are calcined kaolin.
Petcokes are calcined petroleum coke products that display similar properties to natural graphite.
The aluminium hydroxide crystals are calcined to produce aluminium oxide.
Of stems and twigs of Sebertia acuminata are calcined.
The impregnated siliceous solids are calcined by firing at an elevated temperature.
Optionally after drying, the extrudates are calcined.
Further disclosed herein are calcined diatomaceous earth products comprising at least one aluminate material.
The black liquors are then concentrated and the sludges obtained are calcined in recovery kettles.
These particles are calcined in an inert atmosphere at a temperature of at least about 1000°C.
Preferably, the extrudates are calcined after drying.
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In step f of the preparation process, the particles obtained in step e are calcined.
However these compositions have granules which are calcined zeolites of several hundred microns in diameter.
Then, dried particles obtained by drying are calcined.
In some applications, the precursor particles are calcined before the second particles are added thereto.
After precipitation, washing and drying, the precipitated catalysts are calcined.
Samples of palladium doped ZSM-5 that are calcined will comprise at least partially oxidised palladium.
The various oxides forming part of the composition of the garnet are calcined separately ;.
In other embodiments, catalysts are calcined for from 2 hours to 8 hours.
Generally, the silica-coated alumina activator-supports of the present invention are calcined.
In some embodiments, catalysts are calcined for from 2 hours to 16 hours.
The coating composition of Claim 1, wherein said particles are calcined.
The resulting extrudates are calcined in air at 585°C for about two hours.
The coating composition of Claim 1, wherein said particles are calcined or tabular alumina.
A portion of the resulting extrudates are calcined in air at 660°C for about two hours . Example 8.
Finally, these layers are calcined.
After extrusion the extrudates are calcined in step ( b ).
The spraydried compositions of step ( c ) are calcined in step ( d ).
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Examples of using Calcined
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The three minerals are calcined to form mullite
The thus calcined coprecipitate is then pulverized
Libraries were dried and calcined as described above
