Hydrodealkylation process - Fuji Oil Company, Ltd.
Example 2 - HDA Process Process Description The second example we are going to study is the Hydrodealkylation of Toluene. The main reaction is However there is also a side reaction which produces unwanted diphenyl. Below is a flowsheet of the complete process.
Hydrodealkylation is a chemical reaction that often involves reacting an aromatic hydrocarbon, such as toluene, in the presence of hydrogen gas to form a simpler aromatic hydrocarbon devoid of functional groups. An example is the conversion of 1,2,4-trimethylbenzene to xylene.
The process of removing a methyl or larger alkyl group from a molecule as in the conversion of toluene to benzene. A hydrogen atom replaces the alkyl group.
Also found in: Wikipedia. hydrodealkylation. A petroleum refining operation in which heat and pressure are used to remove methyl groups or larger alkyl groups from hydrocarbons, or to change positions of these groups on the molecule; used to upgrade low-value products.
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Axens is a worldwide group that provides a complete range of solutions for the conversion of oil and biomass to cleaner fuels, for the production and purification of major petrochemical intermediates as well as for gas treatment and conversion options.
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A descriptive essay, as the name implies, is a form of essay that describes something. In this genre, students are assigned the task of describing objects, things, places, experiences, persons, and situations. The students use sensory information to enable readers to use their five senses of touch, taste, smell, hearing, and sight to understand.
Process Description: How to Write about a Sequence of Events Posted by Dennis G. Jerz, on July 16th, 2011 This document describes how to write a process description, a variation of the short report designed to convey to the reader how a change takes place through a series of stages.
A spatial organization of information in paragraphs is also called descriptive writing. It is often used when a narrator wants to describe how something looks. For example, you can use this approach in descriptive essays about a person when you describe someone’s appearance, starting from the feet and moving up to the head.
This added millions to our yearly cash flows. For our alternative design, the purge stream was treated in a high pressure flash tank with the goal of benzene recovery. A few auxiliary process units were required to bring the purge stream to the temperature and pressure required for an acceptable separation.
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A descriptive essay is a type of essay which aims at helping you illustrate something to your reader in a way that they can see, feel, or hear what you are talking about. 50 DESCRIPTIVE ESSAY TOPICS If you are looking for descriptive essay examples here is a great one below.
