**Hydrodealkylation Process Overview****Hydrodealkylation** is a chemical process where side chain alkyl groups (such as methyl groups) are removed from aromatic compounds through reaction with hydrogen. The following reactions typically take place within the reactor:1. **Toluene to Benzene Conversion** $ \text{C}_6\text{H}_5\text{CH}_3 + \text{H}_2 \rightarrow \text{C}_6\text{H}_6 + \text{CH}_4 $ - **Reagents:** Toluene and hydrogen - **Products:** Benzene and methane - **Reaction R1**2. **Xylene to Toluene Conversion** $ \text{C}_6\text{H}_4(\text{CH}_3)_2 + \text{H}_2 \rightarrow \text{C}_6\text{H}_5\text{CH}_3 + \text{CH}_4 $ - **Reagents:** Xylene and hydrogen - **Products:** Toluene and methane - **Reaction R2**3. **Pseudocumene to Xylene Conversion** $ \text{C}_6\text{H}_3(\text{CH}_3)_3 + \text{H}_2 \rightarrow \text{C}_6\text{H}_4(\text{CH}_3)_2 + \text{CH}_4 $ - **Reagents:** Pseudocumene and hydrogen - **Products:** Xylene and methane - **Reaction R3****Unwanted Side Reaction**A side reaction can occur where two benzene molecules react, forming diphenyl:- **Benzene to Diphenyl Reaction** $ 2\text{C}_6\text{H}_6 \rightarrow \text{C}_{12}\text{H}_{10} + \text{H}_2 $ - **Reagents:** Benzene - **Products:** Diphenyl and hydrogen - **Reaction R4****Process Stream Details**- A process stream with the following composition is fed at a rate of 100 gmol/h into a hydrodealkylation plant: - 5 mol% benzene (C₆H

following reactions take place in the reactor: C,H,CH, + H, → CH + CH4 toluene (E benzene C,H,(CH,), + H, → C,H¿CH, + CH4 xylene (F toluene C,H,(CH,), + H, → C,H,(CH,), + CH, pseudocumene (F xylene

following reactions take place in the reactor: C,H,CH, + H, → CH + CH4 toluene (E benzene C,H,(CH,), + H, → C,H¿CH, + CH4 xylene (F toluene C,H,(CH,), + H, → C,H,(CH,), + CH, pseudocumene (F xylene

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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