How Long to Read Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41

How Long Does it Take to Read Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41?

It takes the average reader and 23 minutes to read Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 by A. A. Ijagbuji

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Description

Scientific Essay from the year 2015 in the subject Chemistry - Other, , language: English, abstract: The present study investigates the oxidative de-hydrogenation of propane-butane (C3-C4) fraction over mono (Cr, Mo) and bi-metal (Cr-Mo) loaded MCM–41catalysts. The catalysts were prepared by sequential impregnation method at 500oC calcination temperature. Experiments were performed by feeding C3-C4 fraction and CO2 into a continuous flow quartz reactor at atmospheric pressure (P = 1 atm.), reaction temperatures between 500 – 650oC, gas hourly space velocity within 100 – 400 h-1, and at reaction time (tr) = 2h. The physicochemical properties and performance of catalysts were evaluated by BET, XRD, H2–TPR, and NH3–TPD characterization techniques. The major products are ethylene, propylene, isobutylene, butylene. This paper reports that the total yield of olefins (Ʃ C2-C4) = 71.6 % was achieved at 89.5 % conversion level of C3–C4 at 630oC. The results indicate that the addition of Mo to Cr/MCM–41 modifies its catalytic activity. The Cr/MCM–41 and Mo/MCM–41 catalysts were prepared for comparison purposes.

How long is Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41?

Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 by A. A. Ijagbuji is 23 pages long, and a total of 5,819 words.

This makes it 8% the length of the average book. It also has 7% more words than the average book.

How Long Does it Take to Read Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 Aloud?

The average oral reading speed is 183 words per minute. This means it takes and 31 minutes to read Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 aloud.

What Reading Level is Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41?

Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 is suitable for students ages 8 and up.

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