Development and Industrialization of the Vapor‐Phase Beckmann Rearrangement Process

Izumi, Yoshitaka; Ichihashi, Hiroshi; Shimazu, Yasumoto; Kitamura, Masaya; Satō, Hiroshi

doi:10.1002/chin.200740244

Cited by 2 publications

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“…ε-Caprolactam is a vital precursor in the formation of Nylon-6, a recyclable form of Nylon. 207,[299][300][301] Currently the majority of caprolactam is formed through a variation of the Raschig process, where cyclohexane is converted to caprolactam with a series of metal salts and caustic reagents, creating significant amounts of ammonium sulfate waste. 301 Specifically, the formation of caprolactam is achieved using fuming sulfuric acid, which poses significant logistical and safety challenges.…”

Section: Beckmann Rearrangement Of Cyclohexanone Oxime To ε-Caprolactammentioning

confidence: 99%

“…Indeed, processes have been commercialized with this philosophy, most using a silicate-1 zeolite catalyst. [299][300] The preferred industrial approach has been a vapor phase process. Here the reagents are taken above their boiling points, typically > 300 o C with a solvent, which is continually passed over a bed of solid catalyst.…”

Section: Beckmann Rearrangement Of Cyclohexanone Oxime To ε-Caprolactammentioning

confidence: 99%

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Down the Microporous Rabbit Hole of Silicoaluminophosphates: Recent Developments on Synthesis, Characterization, and Catalytic Applications

Potter

2020

ACS Catal.

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Word 2010, single-column, double-spaced (2013)This template is a guide to be used to prepare manuscripts for submission. Please consult the Instructions to Authors or a recent issue of the journal for detailed guidelines and procedures for submission. This template is intended to benefit to the author in that the entire manuscript (text, tables, and graphics) may be submitted in one file. Inserting graphics and tables close to the point at which they are discussed in the text of the manuscript can also be a benefit for the reviewer.When you submit a manuscript using this template, you will not actually see the page formatting that appears in the printed journal. This will occur as part of the editorial production process. Abbreviated instructions for using the template follow. Consult the documentation for your specific application and version for more information. Additional instructions can be found in the readme file at the web page where you downloaded this template. Using the templateIn ACS publications there are many different components of a manuscript (i.e., title, abstract, main text, figure captions, etc.) that are represented in the template. See the Guide, Notes, Notice, or Instructions for Authors on the journal's homepage to determine which parts should be included for the manuscript that you are preparing 1. If typing your manuscript directly into the template, select (highlight) the text of the template that you want to replace and begin typing your manuscript (i.e., select the Title section for typing in your title).2. If you have already prepared your document in a Word file, you will need to attach the template to your working document in order to apply the Word Style tags. Further instructions can be found in the readme file at the web page where you downloaded this template.a. Go to the Add-Ins tab and you will see all the Word Styles from the template that has now been imported into the current document. A Styles toolbar has been generated that will display the different Styles for you to choose from. If this is not present, type in the following command (Alt+Ctrl+Shift+S) and it should appear. You can close this at any time and then reopen it when needed.b. Click in the sentence or paragraph and then go to the Add-Ins tab and select the relevant Word Style. This will apply the Word Style to the entire text (sentence or paragraph). Do this for all sections of the manuscript.3. To insert graphics within the text or as a figure, chart, scheme, or table, create a new line and insert the graphic where desired. If your graphic is not visible, ensure that the Word Style is "Normal" with an automatic height adjustment. If the size of the artwork needs to be adjusted, re-size the artwork in your graphics program and re-paste the artwork into the template (maximum width for single-column artwork, 3.3 in. (8.5 cm); maximum width for double-column artwork, 7 in. (17.8 cm)). NOTE: If you are submitting a Table of Contents graphic, please insert the graphic at the end of the file.4. Ensure that page numb...

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Section: Beckmann Rearrangement Of Cyclohexanone Oxime To ε-Caprolactammentioning

confidence: 99%

Section: Beckmann Rearrangement Of Cyclohexanone Oxime To ε-Caprolactammentioning

confidence: 99%

Down the Microporous Rabbit Hole of Silicoaluminophosphates: Recent Developments on Synthesis, Characterization, and Catalytic Applications

Potter

2020

ACS Catal.

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Development and validation of filtered drag models for fluidization of low-density Geldart A particles

Lin,

Si,

Dai

et al. 2024

Chemical Engineering Journal

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Development and Industrialization of the Vapor‐Phase Beckmann Rearrangement Process

Abstract: Organic chemistry Z 0200 Development and Industrialization of the Vapor-Phase Beckmann Rearrangement Process -[for the production of ε-caprolactam without producing ammonium sulfate; about 26 refs.]. -(IZUMI, Y.; ICHIHASHI, H.; SHIMAZU, Y.; KITAMURA*, M.; SATO, H.; Bull. Chem.

Cited by 2 publications

References 1 publication

Down the Microporous Rabbit Hole of Silicoaluminophosphates: Recent Developments on Synthesis, Characterization, and Catalytic Applications

Down the Microporous Rabbit Hole of Silicoaluminophosphates: Recent Developments on Synthesis, Characterization, and Catalytic Applications

Development and validation of filtered drag models for fluidization of low-density Geldart A particles

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