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ChE 414 Chemical Engineering Laboratory II September 10, 2012 Instructor Dr. C. Niu.

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Presentation on theme: "ChE 414 Chemical Engineering Laboratory II September 10, 2012 Instructor Dr. C. Niu."— Presentation transcript:

1 ChE 414 Chemical Engineering Laboratory II September 10, 2012 Instructor Dr. C. Niu

2 Contact info Instructor: Dr. C. Niu –Engineering 1C129 ph: Coordinator: Dale Claude –Engineering 1D43 ph: Technician: Kevin Carter ph:

3 Contact info Demonstrator: Vahid Vasoughi Demonstrator: Zakieh Ranjbar

4 Course information Website: Lab location: Engineering 1D25 Lab time –Monday 14:30 – 17:30 –Tuesday 14:30 – 17:30

5 Text: - ChE Laboratory Manual (available online on the course website) - S. Jeter, J. Donnell. (2004) Writing style and standards in undergraduate reports Office Hours: open door / Rm: 1C129 Eng. Bldg.

6 What Labs ? Fermentation: Kinetics of yeast growth Filtration: Separation of calcium carbonate from water Distillation: Continuous separation of methanol from water Liquid-Liquid Extraction: Partially miscible liquids Boiling and condensing: Heat transfer Fluidization: Pressure drop and heat transfer

7 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

8 Marking Lab performance: (4X2.5%) Lab notebook: 10% Technical letters: (2X10%) Brief report: 25% Formal report: 35% Overall mark: 100% No exam <50 ExceptionalExcellentGoodSatisfactoryMinimal PassFailure The mark distribution is only approximate. Final grades will be assigned at the discretion of the instructor subject to the University Council and College Regulations on Examinations.

9 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

10 Due Date and Overdue Penalty Due date for the reports: - 2 weeks after the experiment date. - The date of submission is counted by the date on which the hard copies of your reports are handed in to and signed by Mr. Dale Claude. AND - Electronic copies of the reports must be sent to both Dale and Dr. Niu by on the same day for verification. - When submission on weekends, the date of submission of reports by can be counted, however, the hardcopies of your reports must be handed in to Dale on the following Monday to avoid extra delay penalty. - 7 “free” late hand-in days for the whole course - Must indicate on your reports when use it to avoid late penalty.

11 Due Date and Overdue Penalty Penalty - 10% of the full marks of each report per week (1.4%/day, including weekends, and other statuary Holidays), will be deducted from the late reports. - Submissions including lab notebooks will NOT be accepted after Dec. 5, 2012.

12 Requirements Lab performance Write-ups: technical writing Fundamentals of each lab

13 Laboratory procedure (This slide is courtesy to J. Wiens’ ChE333 Conference Notes 2007) 2 weeks

14 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 help with the demonstrators & the lab coordinator

15 Lab performance Follow the 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:

16 Write-ups / Reports Technical memo Brief report Formal report Lab notebook

17 Write-ups / Reports Evaluate - understanding from the experimental labs. - technical writing skills  Technical content: academic theory, results.  Writing: organized, neat  Language: no grammar or typographic error  Communication: clearly delivery

18 Write-ups / Reports One student is required to hand in –2 technical letters –1 brief report –1 formal report –1 lab notebook

19 Write-ups / Reports No repetition in each group for –formal report –brief report –technical letters

20 Write-ups / Reports YouYour partner Tech. lettersLabs A and BLabs C and D Brief reportLab CLab A Formal reportLab DLab B Lab notebookLabs 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.

21 Lab Notebook No sheets of paper Permanently bounded & recorded Briefly outline the title, date performed, names of group members, objectives, apparatus, experimental conditions and procedures before labs Suggest making table for recording data Record clearly all original observations, simple calculations of data, & graphs or tables showing salient conclusions from the experiments. MUST be examined, dated and initialed by the TAs before leaving the laboratory

22 Refer to ChE 414 class website for RULES FOR LABORTORY NOTEBOOKS Submit the lab notebook at the end of the term (by Dec 5, 2012) for marking Lab Notebook

23 Technical Memorandum Title and names:  course number  name (Your name and state the partner’s name)  lab title  prepared for (instructor’s name)  date lab done  date report due  state if you use the free late days Body of text: maximum two pages (single spaced) Introduction  concise introduction of the system used  a brief statement of the objectives of the experiment  a general description of the procedure followed

24 Technical Memorandum Results and Discussion  discussion and comparison of all required results with values from literature  major equations used, but not mixed with text in the same paragraph  a brief table of results or major graphs attached to support the conclusions. Conclusions and recommendations Sign your memo on the last page below the text

25 Formal Technical Report (double spaced) –Title page and Table of Contents –Abstract –Table of contents, table of figures, table of tables –Introduction –Review of theory or literature –Experimental Section: apparatus and procedure –Results and Discussion –Conclusions –Recommendations –Nomenclature –References –Appendices

26 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 State if you use the free late days Table of contents

27 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.

28 Formal Technical Report Introduction Include information on the subject of the investigation and its importance in industry; Describe clearly the objectives of the lab; Cite the references.

29 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. Number the equations. detailed derivation placed in Appendix Describe how to obtain the model parameters and predict the particular system Cite the references

30 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 of quality of the materials. Make sure other people can repeat your work and obtain the same results if they follow your description.

31 Formal Technical Report Results and Discussion 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 literatures if available. Logically discuss and lead to conclusions.

32 Attention Consistent format The unit for every parameters in the equations has to be conformed. 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

33 Figure 1. Modeling the effect of IS on Cr uptakes 40±1 mg AWUS, 20±0.2 mL solution error bar: 95% confidence interval

34 Formal Technical Report Conclusions and Recommendations Conclusions should be summarized following the discussion. Lists your suggestions on how we can improve the labs.

35 Formal Technical Report Nomenclature Completely lists the symbols that appear in your report, their definition and unit in a professional and consistent format. Refer to a published paper.

36 Formal Technical Report References 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.

37 Formal Technical Report Reference format examples In the text: ……Adams concluded that …… 1. However, that conclusion may be suspicious because …… 2 In the Reference section: References 1. 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) References Adams, A. B. year, title of publication, publisher, page (book) Davis, T. and B. Volesky, year, title of paper, journal name, volume, issue, pages (paper) Niu, C., M. Huang and B.Volesky, year …. Ref: Canadian Journal of Chemical Engineering

38 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

39 Appendices (Courtesy to Jason Wiens’ ChE333 Conference Notes 2007) Raw & Calculated data in tables Sample Calculations For example 1. Calculation of the volumetric flow rate of air through the absorption column Descriptive title Keep units Equation used Result with proper sig figs

40 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 most significant quantitative results (no tables, figures and equations) –Results and Discussion: include major graphs or tables The most important theory should be mentioned here. –Conclusions –Recommendations –Nomenclature if applicable –Appendices: raw and calculated data and a sample calculation Absence of abstract, introduction, theory/literature review, materials and methods sections.

41 1. Brief report: the maximum length of the main body of text is pages. The main body of text includes Summary, Results and Discussion, Conclusions, and Recommendations. The maximum number of graphs or tables are five. The other requirements remain same as described in the Lab Conference Notes. 2. Formal report: the maximum length of the main body of text is pages with most significant graphs included in the text. The main body includes the sections from Introduction to Recommendations as described in the Lab Conference Notes. The other requirements remain same as that in the Lab Conference Notes. 3. Your brief and formal reports are marked by me and memos by the lab demonstrators.

42 A good report Careful measurements Correct calculations Understanding and use of the theory or models Logical discussions Correct conclusions Organized Clarity No grammar & typographical errors References

43 Important dates September 17: First day of labs Sept 19: Last day for making changes in registration for T1 classes Oct 8 (Mon): Thanksgiving – Univ. Closed Nov 12 (Mon): Remembrance Day Nov 15: Last day to drop T1 Fall Term classes without academic penalty Dec 5: Last day of classes Last day to hand in laboratory reports and laboratory notebooks for marking

44 Summary Academic theory understanding Lab performance WRITEUPS Successful!


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