Examples of 'para-xylene' in a sentence
Meaning of "para-xylene"
Para-xylene is a type of chemical compound used in the production of plastics and polyester fibers
How to use "para-xylene" in a sentence
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para-xylene
Para-xylene to produce crude terephthalic acid.
It is substantially free of para-xylene and ethylbenzene.
An example of a terephthalic acid precursor is para-xylene.
Para-xylene was held separately undiluted.
This results in a loss of para-xylene yield.
Para-xylene is caused to be adsorbed on the binderless BaKX zeolitic adsorbent.
The adsorbents are selective for para-xylene.
Carbohydrate route to para-xylene and terephthalic acid.
The oxidizable compound throughout the present invention is para-xylene.
Of xylene mixtures, para-xylene is now in particular an industrially important product.
This results in a drop in the para-xylene yield.
This means that the para-xylene in the feed is diluted by raffinate.
Such products include products from the crystallization of para-xylene.
The desorbent displaces the para-xylene from the adsorbent.
A reduction in para-xylene oxidation intermediates occurred and reaction by-products were reduced.
See also
The extract is a stream containing para-xylene and a desorbent.
The selectivity of para-xylene relative to meta-xylene is calculated by mass balance.
Such contamination means that it is impossible to produce high purity para-xylene.
Step for purification of para-xylene by crystallization of at least a portion of the extract ;.
This figure corresponded to the maximum concentration of para-xylene in the adsorber.
Process for the recovery of para-xylene according to claim 2 of simulated countercurrent type.
It is very difficult to measure the purity of the para-xylene after distillation.
These para-xylene purification stages are described in our patent applications cited above.
It is not necessary to limit the concentration of this para-xylene in recycled solvent.
Process for the recovery of para-xylene according to claim 2 of simulated cocurrent type.
Analytical results showed only minor conversion of the para-xylene fed.
Para-xylene separation process comprising pretreatment by selective hydrogenation and by activated clay.
Most new aromatics complexes are designed to yield benzene and para-xylene.
C8 fractions from which para-xylene has been removed can be recycled to the isomerizer.
In one embodiment of the present invention, the oxidizable compound comprises para-xylene.
It is expected that para-xylene will continue to have such increase in the demand.
In particular, xylene isomerization is used in conjunction with a separate process to manufacture para-xylene.
Para-xylene can be separated from mixed xylenes by a cycle of adsorption and isomerization.
This is especially important as para-xylene has historically commanded a premium above benzene.
In particular, xylene isomerization is used in conjunction with a separation process to manufacture para-xylene.
A process for the production and recovery of para-xylene comprising the steps of,.
In accordance with the present invention, the oxidizable compound comprises para-xylene.
Process for the recovery of para-xylene according to claim 1 of simulated moving bed type.
All of these improved results were achieved with insignificant or no reduction in para-xylene selectivity.
Higher productivity means more para-xylene can be produced with a fixed adsorbent volume.
The oxidizable compound present in the liquid-phase feed stream comprises para-xylene.
Introducing a feed stream comprising para-xylene into a reaction zone of an initial oxidation reactor ;.
These benefits will be manifested in cost efficiencies and improved para-xylene process yields.
It shows the selectivity for para-xylene with respect to the sum of the reaction products.
The vapor phase may also include minor amounts of unreacted para-xylene feed.
Most preferably, para-xylene makes up substantially all of the total xylene in the feed stream.
After cooling, the yellow precipitate is filtered off and then washed with para-xylene.
High purity para-xylene is used for the production of polyester fibers, resins and films.
The second isomelization unit liquid phase can thus increase the quantity of para-xylene.
The demand of para-xylene has remarkable increase as a crude raw material for polyester, a synthetic fiber.
