Examples of 'aluminas' in a sentence
Meaning of "aluminas"
Aluminas is the plural form of alumina, which is a compound commonly found in ceramics and used in various industrial processes
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- plural of alumina
How to use "aluminas" in a sentence
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aluminas
The aluminas are also characterized by their acidity.
Process for synthesising aluminas in a basic medium.
Particularly suitable supports are aluminium oxides or aluminas.
Silicas and aluminas are most preferably employed.
Many patents describe the preparation of aluminas.
The aluminas can be amorphous or crystalline.
It will be also advantageous to use autoclaved aluminas.
Amorphous silica aluminas are most preferred.
It is generally desirable to use commercially available aluminas.
Preferred aluminas are porous aluminas such as gamma or eta.
It is comprised of a variety of transition aluminas having excellent purity.
These aluminas were characterized by particle size and mineralogical composition.
The support is generally selected from transition aluminas.
Porous aluminas are routinely used as a support for catalysts or adsorbants.
Any kinds of the activated aluminas can be used.
See also
Use of aluminas as capture mass for organometallic silicon complexes.
They are made by the controlled heating of hydrated aluminas.
Activated aluminas are particularly preferred.
Particularly preferred supports are the aluminas of the alpha type.
Preferred aluminas are surface hydroxylated.
Different processes can be used to obtain aluminas of high purity.
Pseudoboehmite aluminas are readily dispersible in an acid medium as colloidal size particles.
The preferred binder components are believed to be aluminas and silicas.
Such aluminas have a particularly high capacity for carbon dioxide.
Minor amounts of other transition aluminas may also be present.
All types of aluminas can be used in the preparation of the carrier.
It is a mixture of transition aluminas.
It is known that activated aluminas can be used to bind refractory formulations.
Aluminas having a high specific surface area frequently consist of alumina monohydrates.
Characteristics of aluminas described.
The aluminas used must be free from any traces of free water.
Minor amounts of other transition aluminas may also be present in the carrier.
High purity aluminas are commercially prepared by the thermal decomposition of ammonium alum.
The general field of the invention is therefore that of the preparation of aluminas.
Examples of suitable aluminas include boehmite type alumina and gamma alumina.
Other binders that are often used include hydratable aluminas and colloidal silica.
Said aluminas differ in their specific surface area and their pore volume.
The present invention relates to the field of aluminas with controlled mesoporosity.
Certain activated aluminas are more suitable than others for purposes of this invention.
These catalysts include acidic amorphous aluminas which contain metal promoters.
Amorphous silica aluminas may be acidified such as fluorinated or chlorinated amorphous silica alumina.
Our team will be happy to show you our high performance specialty aluminas.
These ultra porous crystalline aluminas may be impregnated with a liquid or gaseous phase.
This provides a means of proposing large quantities of ground calcined aluminas at minimum cost.
The alumina can be any of the aluminas conventionally used for hydroprocessing catalysts.
This molecular sieve is preferably made of a material selected from aluminas and activated aluminas.
Among the aluminas are included precursors of alumina such as boehmite and even alumina trihydrate.
Preferred neutralizing agents can include the various types of aluminas and hydroxide compounds.
Colloidal aluminas are produced from synthetic Boehmite.
The effect is observed on both alumina coated metal supports and with neat aluminas.
