che 424 chemical engineering laboratory iii january, 2012 instructors naveenji arun (section 02)...
TRANSCRIPT
![Page 1: ChE 424 Chemical Engineering Laboratory III January, 2012 Instructors Naveenji Arun (Section 02) Glyn Kennell (Section 04) Dale Claude (Coordinator)](https://reader036.vdocument.in/reader036/viewer/2022062620/551acf9f55034656628b6072/html5/thumbnails/1.jpg)
ChE 424Chemical Engineering Laboratory III
January, 2012
Instructors
Naveenji Arun (Section 02)Glyn Kennell (Section 04)
Dale Claude (Coordinator)
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Teaching Assistants
Rozita Amand• Experiments 1,4&6
Ebrahim Razaei• Experiments 2,3&5
Laboratory Technician
Kevin Carter
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Website: http://www.engr.usask.ca/classes/CHE/424/index.html
Text: ChE 424 Laboratory Manual
(available online at course website)
Office hours: Naveenji - During lab period and by email appointment.
Glyn – During Lab and by appointment
Dale – open door.
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Experiments
• Gas Absorption• Chemical Reactors• Cooling Tower• Solid Leaching• Process Control – Surge Tank• Biodiesel - Transesterification
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COURSE OBJECTIVES:
Develop skills in
- Equipment operation
- Data recording
- Analysis of the data using academic theory
- Technical report writing
in the selected typical Chem. Eng. processes
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Marking
• Lab performance: (4X2.5%)• Lab notebook: 10%• Technical letters: (2X10%)• Brief report: 25%• Formal report: 35%
Overall mark: 100%
No exam
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Plagiarism is DEFINITELY NOT acceptable!– Copy other people’s report– Citing without referencing the source
Plagiarism results in 0 mark for the report
Be aware of & Follow the new University of Saskatchewan Academic Honesty/Dishonesty definitions, rules and procedures
www.usask.ca/honesty.
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Due Date and Overdue Penalty
• Due date– 2 weeks after the experiment date.
7 “free” late hand-in days for the whole course
Indicate on your report when use it.
• Penalty– 10% of the full marks (100) per week
(1.4%/day) deducted from the late reports– submissions will NOT be accepted after
April 7th, 2012
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Requirements
• Lab performance
• Write-ups: technical writing
• Fundamentals of each lab
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Lab performance
Be prepared for:• Objectives• Theory / knowledge• Design of experiment• Parameters to be measured• Apparatuses, procedures and principles • Find out: what to learn
Initiate the contact for the pre-lab helpwith the lab coordinator
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Lab performance
• Follow experimental procedures• Record observations in Lab Notebook• Test the validity of data and/or results • Pay attention to SAFETY issues
– personnel– equipment
During the experiments:
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Laboratory Safety
• Safety is the responsibility of everyone and everyone will be held accountable.
• Safety glasses are mandatory, no exceptions.• Contacts should not be worn.• Lab coats are mandatory.• Absolutely no food or drinks.• Several of the experiments involve chemicals
which are toxic and hazardous. It is important that YOU know where all the safety apparatus are.
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• Know where the emergency exits are.• Be familiar with the Departmental Safety
Manual.• Know where the MSDS information is.
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Pre - Labs
• Pre-labs are not mandatory but are strongly recommended.
• All partners must be present.• The laboratory is running two classes this
term with an enrollment of 112. Please schedule accordingly as the 3rd year class will be slow.
• Pre-lab times are posted on the class website.
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Write-ups / Reports
• Technical memo• Brief report• Formal report
• Lab notebook: during the experiments
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Write-ups / Reports
Each student is required to hand in– 2 technical letters– 1 brief report– 1 formal report– 1 lab notebook
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Write-ups / Reports
No repetition in each group for
– formal report– brief report– technical letters
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Write-ups / Reports
You Your partner
Tech. letters Labs A and B Labs C and D
Brief report Lab C Lab A
Formal report Lab D Lab B
Lab notebook Labs A,B,C,D Labs A,B,C,D
In one group, you may label the 4 labs by A, B, C, and D in your own order. Each member of the group should keep the same order.
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Lab NotebookNo sheets of paper
Permanently bounded & recorded
• Briefly outline the title, apparatus, experimental conditions and procedures before labs
Suggest making table for recording data
• Record clearly all original observations& simple calculations of data
• MUST be examined, dated and initialed by the TA’s before leaving the laboratory
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Refer to the class website for :
RULES FOR LABORTORY NOTEBOOKS
Submit the lab notebook at the end of the term for marking
Lab Notebook
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Technical Memorandum• Body of text: maximum two pages • Introduction
- concise introduction of the system used- a brief statement of the objectives of the experiment- a general description of the procedure followed
• Results- discussions and comparison of all required results with values from literature- a brief table of results can be inserted into text of memo- major graph attached to support the conclusions
• Conclusions and recommendations
• Sign your memo on the last page below the text
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To:From: (your name, group X)Re: (Lab name)Date: (of the preparation of the memo)
Your group logo(optional)
The text of memo is put here below the line.
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ChE 424 -- TECHNICAL MEMORANDUM GRADE SHEET
Student: ______________________________________
Experiment: ______________________________________ Date Performed: ___/___/___ Due Date: ___/___/___ Date Rec’d: ___/___/___ Free Late Days: ___
Late Penalty: ___ %
MAX MARK PRESENTATION
· Title page……………………………...
· Purpose clearly stated…………………
· Experimental conditions & constants clearly stated…………………………..
· Apparatus, procedure, conclusions, &
recommendations content…………......
READABILITY
· Spelling & grammar…………………..
· Sentence & paragraph structure/ clarity
· Logical sequence & cohesiveness of writing…………………………………
TECHNICAL CONTENT (RESULTS)
· Presentation & correctness……………
· Discussion & interpretation…………...
Total 100
5
5
5
15
10
10
10
20
20
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Formal Technical Report
– Title page– Abstract– Table of contents– Nomenclature– Introduction– Review of theory or literature– Experimental Section: apparatus and procedure– Results and Discussion– Conclusions– Recommendations– Reference– Appendices
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Formal Technical Report
Title page• Course number• Name (Your name and state the partner’s name)• Lab title• Prepared for (instructor’s name)• Date lab done• Date report due
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Formal Technical Report
Abstract• State briefly the purpose of the investigation• Describe briefly how the results are obtained• Give all required results in a concise and
quantitative format if possible.• Use words, no tables, figures and equations• Normally no more than 250 words.
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Formal Technical Report
Nomenclature• Completely lists the symbols that appear
in your report, their definition and units in a professional and consistent format.
Refer to a published paper.
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Formal Technical Report
Introduction
• Include information on the subject of the investigation and its importance in industry
• Cite the references;
• Describe clearly the objectives of the lab.
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Formal Technical Report
Literature review or theory• Provide sufficient theoretical background
to the particular experiments.• Develop the equations or models to correlate
your experimental data.
detailed derivation placed in Appendix
• Describe how to obtain the model parameters and predict the particular system
• Cite the references
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Formal Technical Report
Apparatus and Experimental Procedures
• Specify the main apparatuses used make, model and use
• Describe the procedures Highlight important experimental conditions
• Give the names and quality of the materials.
Make sure other people can repeat your work and obtain the same results if they follow your description.
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Formal Technical ReportResults and Discussions
• Present the significant experiment results required in the Lab Manual in words and graphs.
• State the data treatment processes and the outcomes.
• Discuss the results of experiments and model simulations or predictions.
• Compare your results with that in literature if available.
• Logically discuss and lead to conclusions.
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Attention• Consistent format
• Conformity of units
• Figures or Tables in the body of text– Titles of figures, axes, and tables
– Briefly state the experimental conditions
– Experimental data: represented by unique symbol for each group of data in figures
– Modeling curves: different lines with legends
– Show model significance when fitting models
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Formal Technical Report
Conclusions and Recommendations
• Conclusions should be summarized following the discussions.
• Lists your suggestions on how we can improve the labs.
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Formal Technical Report
Reference
• Completely lists every reference cited, mentioned or used in the text of the report in a professional and consistent format.
• Follows either the number order or the alphabetical order.
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Formal Technical ReportReference format examples
In the text:……Adams concluded that ……1. However, that conclusion may be suspicious because ……2
In the Reference section:
References1. Adams, A. B. title of publication. ……2. Cook, H. M., Author #2, ……
Ref: Industrial and Engineering Chemistry Research
or in the text:It was concluded ( Adams, 2001) that ……. However, that conclusion may be suspicious (Davis and Volesky, 2001) because ……(Niu, et. al., 2005)
ReferencesAdams, A. B. year, title of publication, publisher, page (book)Davis, T. and B. Volesky, year, title of paper, volume, issue, pages (paper)Niu, C., M. Huang and M.Volesky, year ….
Ref: Canadian Journal of Chemical Engineering
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Formal Technical Report
Appendices
• Raw data (neat with tables)• Calculated data• Sample calculation (using a set of data to
show the steps of calculations) • Tables and Figures
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ChE 424 – FORMAL REPORT GRADE SHEET
Student: _____________________ Experiment: __________________
Date Due: ___/___/___ Date Rec’d: ___/___/___ Late Penalty: _____% REPORT SECTION CLARITY OF
PRESENTATION Max. Mark
TECHNICAL CONTENT
Max. Mark Title Page 2
Abstract 3 6
Table of Contents Nomenclature 3
Introduction Theory Apparatus Procedure
8 10
Pres. & Disc. Results 6 20
Conclusions 3 10
Recommendations 3 6
References 2
Appendices Experimental Data Calculated Results Sample Calculation
6 4 4 4
Totals 36 64
Report Mark = (Total Mark) * 0.35 = ____________ (MAX = 35)
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Brief Technical Report– Title page and Table of contents – Summary
a brief introduction stating the nature and purpose of the investigation a brief explanation of the procedures and apparatuses a summary of all the required results
– Results and Discussion: include major graphs or tables– Conclusions– Recommendations– Reference– Appendices: only raw experimental data and a sample
calculation
Absence of abstract, introduction, theory/literature review, materials and methods sections
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ChE 424 – BRIEF REPORT GRADE SHEET
Student: _________________________________________ Experiment: _________________________________________ Due Date: ___/___/___ Date Rec’d: ___/___/___ Late Penalty: ____%
REPORT SECTION
CLARITY OF PRESENTATION Max. Mark
TECHNICAL CONTENT Max. Mark
Title Page 2
Summary 5 15
Pres. & Disc. Results 10 20
Conclusions 5 10
Recommendations 5 10
Reference 2
Appendices Experimental Data Sample Calculation
6 5 5
Totals 35 65
Report Mark = (Total Mark) / 4 = ____________ (MAX = 25)
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A good report Consists of:
• Careful measurements• Correct calculations• Understanding and use of the
theory or models• Logical discussions• Correct conclusions
OrganizedClarityNo grammar & typographical errors
• References
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Summary
• Academic theory understanding• Lab performance• WRITEUPS
• Evaluation