ENS3113: Operational Manual of Experimental Apparatus, Effect of Heat in Chemical Reactions - Engineering Assignment Help

Assignment Task :

1. Backgrounds
This lab will include two parts: Effect of heat in chemical reactions and Reactor sizing and design.

Effect of heat in chemical reactions
Understand the basic concept for batch reactor (adiabatic reaction and isothermic reaction) and continuous-stirred tank reactor (CSTR), and a few applications of these types of reactors in the industry. Get familiar with the experimental setup of reaction engineering testing rig. In this lab section, students will carry out experiments using the configuration of a batch reactor. For the batch reactor, students investigate the increasing temperature caused by the conversion-process and the increased conversion due to the increasing temperature. 

Reactor sizing and design
In CSTR, students will investigate the configuration, dimensions and acquire the understanding on the influences of the retention time and the temperature to the conversion-process. After experiments, students will present their findings with discussion in a report

2. Project team
Please conduct this experiment as an allocated project team. The team is arranged by the lecturer. Each team member is expected to have an equal contribution. 

3. Tasks 
This lab consists of two sections. The first section includes a video demonstrating two reactions with a batch reactor. The second section of this lab is based on reactor design. 
(1) As of 5.1.2 Performing the Experiments in Appendix I. Demonstrate the increasing temperature caused by the conversion-process of the two reactants.
Part As of 5.2.2 Performing the Experiments in Appendix I. Study the influence of the increasing temperature caused by the conversion-process of the two reactants.
The first part consists of a video prepared by a lab demonstrator based on a batch reactor. The video includes experiment on batch reactor for adiabatic and isothermic processes. At the beginning of the video, the demonstrator prepares two reagents which will be used for the reactions. Thereafter, a batch reaction for adiabatic process is conducted which includes all the steps highlighted in the lab manual. After the adiabatic process, a reaction for isothermic process is performed using the same reactor and necessary reading recorded. 
The recorded results will be sent to the students for analysis and report writing (You will also need to analyse and interpret the experimental results, plot the conversion against time for the batch reactor.)

(2) Get familiar with the Stirred Tank Reactor (CE310.01): Investigate the configuration, connect/disconnect the hoses, pumps, and the sensors, take relevant measurements of the components of the reactor and photographs for reference. For CSTR, various photographs and measurements have been taken and they will be sent to the students so that they can describe the configuration of the experimental rig, using the dimensions make an accurate drawing of the reactor including the dimensions (using CAD or hand drawn with an appropriate scale) and the potential functions in the industries

Individual Lab report
Title and Contents

Each student should submit an individual Lab report.
Your report should have the title of “Performing chemical reactions in batch and CSTR reactors at a bench scale: key parameters”. It should contain: 
(1) Title page
(2) Executive summary
(3) Table of contents
(4) Key information presented in numbered sections and subsection in appropriate headings, which must include, but not limited to:

•   Introduction
•   Methods
•   Results
•   Discussion
•   Conclusion
•   Appendix (CSTR drawings and photographs)

• Contribution of each team member (a short paragraph describing specific contribution from each team members).

Length 
The main body of your report (i.e. excluding the Cover page, Executive summary, Table of contents, and Appendix) must not exceed 6 pages. There is no minimum page requirement. The ‘Executive summary’ and ‘Introduction’ sections should be brief (no more than half pages for each section).  

4. Marking and feedbacks 
The full mark of the reports will be 10, which will be allocated to the followings:
• Performance in carrying out the experiments                                         
• Competency in Summary, Introduction, and Conclusion sections            
• Clarity and depth in explanation of experiment process and results     
• Overall structure, formality and presentation of the report                         
 

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