Examples of 'acidic catalysts' in a sentence
Meaning of "acidic catalysts"
acidic catalysts - Substances that accelerate chemical reactions by lowering the activation energy required, often operating in acidic conditions
How to use "acidic catalysts" in a sentence
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acidic catalysts
Several of the acidic catalysts contain water.
Catalysts can be selected from acidic catalysts.
Olefins in the presence of acidic catalysts are especially subject to rearrangement.
Catalysts may be selected from acidic catalysts.
Other examples of acidic catalysts are acidic ion exchange resins.
This often occurs over acidic catalysts.
Suitable acidic catalysts include acetic acid or zinc chloride.
Trifluoroacetic acid or HCl in ethanol are preferred as acidic catalysts.
Acidic catalysts may be selected from a wide variety of acidic compounds.
Suitable catalysts for melamine resins are acidic catalysts.
Acidic catalysts are employed in both the alkylation and the dealkylation steps.
In the conventional alkylation processes extremely acidic catalysts are used.
Acidic catalysts are sometimes added with the water to improve the hydration.
The acid condensation reaction is performed using acidic catalysts.
It is known that acidic catalysts can contribute to solve the above mentioned problems.
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The alkylation reaction is carried out in the presence of acidic catalysts.
Other example of acidic catalysts are quaternary ammonium salts having at least one proton substituent.
The isomerizations are carried out using acidic catalysts such as molecular sieves.
The catalyst employed in the first stage belongs to the category of acidic catalysts.
Importantly, more acidic catalysts are not necessarily more effective.
The mixtures can be made to polymerize with either basic or acidic catalysts.
Moreover, the following acidic catalysts may be used in the present invention.
The dealkylation of alkylated products may be carried out in the presence of acidic catalysts.
Suitable acidic catalysts are methanesulfonic acid, p-toluenesulfonic acid and hypophosphorous acid.
The reaction is carried out preferably on unhydrogenated lubricants in contact with acidic catalysts.
As desired, different acidic catalysts can be used in the various stages of the invention.
Process schemes involving separation and reaction using acidic catalysts are known in literature.
If desired, different acidic catalysts can be used in the various stages of the invention.
Such resins can cure under the influence of both basic and acidic catalysts.
Suitable acidic catalysts include molecular sieves ( mole sieves ) and cation exchange resins.
The processes may involve the use of catalysts including alkaline and acidic catalysts.
The acidic catalysts may include one or more zeolite structures comprising cage-like structures of silica-alumina.
Newer plants have in general been switching to zeolite-based acidic catalysts.
Without acidic catalysts there is insufficient conversion of D-sorbitol.
Tert-alkyl aromatic compounds can be dealkylated over mildly acidic catalysts.
Hierarchically micro-meso-macroporous acidic catalysts constructed from zeolite Beta nanocrystals have also been synthesized.
As examples of cure catalysts may be mentioned basic catalysts, organometallic catalysts and acidic catalysts.
Most preferably, the acidic catalysts are toluenesulfonic acid, xylenesulfonic acid, or dodecylbenzene sulfonic acid.
Alternatively, the condensation may be accomplished using acidic catalysts in a suitable solvent.
Suitable acidic catalysts include, broadly, the Lewis acid of Friedel-Crafts catalysts.
These methods, as is well known in the art, can use acid or acidic catalysts.
Plants built after 1980 have in general used zeolite-based acidic catalysts as the alkylation catalyst.
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