Examples of 'zeolite crystals' in a sentence
Meaning of "zeolite crystals"
Zeolite crystals are naturally occurring microporous minerals that are widely used in various industrial applications such as water purification, nuclear waste storage, and gas separation. They are known for their high surface area and adsorption capabilities
How to use "zeolite crystals" in a sentence
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zeolite crystals
Preparation of zeolite crystals without continuous stirring.
The pores are effectively too small to contain zeolite crystals.
Thus zeolite crystals may be incorporated.
The intergrowth phenomenon of the zeolite crystals is also known.
Said zeolite crystals may already come in form of nanocrystals.
This showed an absence of spaces between the zeolite crystals.
Zeolite crystals are nucleated with the mesopore system of a carbon matrix.
Recovering said zeolite crystals.
The zeolite crystals were now weakly bonded to the alumina support.
In this way the size of the zeolite crystals can be controlled.
The system may be seeded with a small quantity of preformed zeolite crystals.
After the washing step the zeolite crystals may be dried as in a kiln.
This shows the absence of spaces between the zeolite crystals.
After a calcination step the zeolite crystals ar physically bound to the support.
This may be accomplished by ball milling an aqueous slurry of the zeolite crystals.
See also
The dried zeolite crystals may then be used as a substrate for reforming catalysts.
Electron dose was controlled to minimise beam damage to the zeolite crystals under observation.
The second zeolite crystals preferably have a smaller size than the first zeolite crystals.
The crystals of the second zeolite bind the first zeolite crystals together.
This confirms that some beta zeolite crystals are present in the mesoporous matrix.
The latter effectively includes pores with a diameter which is too small to contain zeolite crystals.
This makes more of the surface ports of the zeolite crystals accessible to reactants.
The zeolite crystals are then dried, conveniently in a vented oven.
The present invention relates to a method of preparing zeolite crystals with a determined pore system.
The zeolite crystals used in stage a ″ can already come in form of nanocrystals.
Such extruded catalyst particles can include the zeolite crystals as well as an optional binder.
The zeolite crystals are easily discernable, but the location of the silica binder is unclear.
This invention provides a method for preparing zeolite crystals with a tuneable pore system of zeolite crystals.
The term “ zeolite seed particle ” means a either a zeolite crystal or an aggregate of zeolite crystals.
Filtering or decanting the zeolite crystals to effect separation thereof ;.
This is a time-consuming procedure which is costly and can damage the zeolite crystals.
The average size of the zeolite crystals in the membrane formed was 5 um.
At strongly acidic pH values, destruction of the zeolite crystals may occur.
The beta zeolite crystals ( BEA structural type ) are subjected to the treatment described below.
Therefore, prior to using the powder in commercial processes, the zeolite crystals are usually bound.
The FAU zeolite crystals thus obtained predominantly, or even exclusively, comprise sodium cations.
Figure 7 shows the SEM micrographs of zeolite crystals prepared by this example.
The zeolite crystals are dimensioned between 1 and 3 micrometers.
The process of claim 1, wherein the zeolite crystals are less than 1 µm in size.
The zeolite crystals separated under point ( b ) do not require further washing.
It is also known to deposit zeolite crystals on a metal surface cfr . Chem. Mater.
Such nuclei comprise crystallized solids, in particular MEL-structural-type zeolite crystals.
The size of said zeolite crystals can be above 60 nm.
Transmission electron micrography ( TEM ) of a sample of the resulting zeolite crystals are shown in Fig . 1.
A method for separating zeolite crystals from an aqueous medium, comprising,.
Of this suspension, 0.5 ml was applied to the dry alumina support, provided with zeolite crystals.
Thereafter, the zeolite crystals may be dried, conveniently in a vented oven.
It may be necessary to precalcine the ZSM-22 zeolite crystals prior to ion exchange.
The use of zeolite crystals with hierarchical porosity of “ conventional ” size makes it possible simultaneously,.
Fig . 1 shows large grown zeolite crystals.
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