CHEN 2100 Principles of Chemical Engineering

  Schedule Sp 2009- correct through May 6

Date

Class or Lab Topic

Homework Due That Day

W-Jan 7

Lab-Introduction: Syllabus, Schedule, CHEN Homework Format. There are two Review Chapters: Ch#2 and Ch#3. I will briefly go over parts of 2 and 3 today. After today, Ch #2 will be discussed in the lab on Tuesdays and Thursdays and Ch#3 will be discussed in the lecture on Mondays, Wednesdays and Fridays. Brief lecture on units, unit conversion, pound mass and pound force.

None

H-Jan 8

Lect-Ch #2: units and dimensions, conversion of units, systems of units, force and weight, significant figures, scientific notation, dimensionless groups. Two point linear interpolation and linear graphs. Class examples. Choose groups. Start on HW for Tuesday in groups in class.

Read Ch 2

 

Read HW format on web

and purchase HW paper

 

F-Jan 9

Lab-Ch #3: density, specific gravity, specific volume, mass and volumetric flow rate, moles and molecular weight, mass and mole fractions, average molecular weight. Mass and molar concentration, mass and molar additive liquid volumes, combining several liquid flow rates. Class examples. Ch#3 Study Aid.  Start on HW for Monday in groups in class.

Read Ch 3

 

Complete Sophomore Survey

on Web(10 points bonus HW credit)

 

HW–3.1f,3.2b,3.3a     

 

M-Jan 12

Lect-Ch #3: pressure, temperature. Class examples. Start on HW for Wednesday in groups in class

HW-3.3b, 3.15abc, 3-5 (use additive volumes and specific gravity data to get the mass fraction of benzene and the mass fraction of hexane. Calculate mass flow rates and volumetric flow rates of both benzene and hexane). Also, at top of page 52 (Test Yourself prob 2). For data on problems see Table B.1

T-Jan 13

 Lab-Ch #2: Nonlinear graphing and graphical interpolation.

HW–Felder 2.1c,2.2b,2.8.2.10,2.14 (Use a calculator on 2.10)

       W-Jan 14

Lect-Ch#3: Bring Ch#3 Study Aid to class. Work in groups on problems 1,2 and 4 in  handout 1.  Turn in as part of HW on 1/16

HW 3-19,3-16ab,3-17, 3.48a,b,c,d                        

        H-Jan 15

Lab– Ch #2 Nonlinear graphing and graphical interpretation  ( also work examples in groups in class)                              

HW-Felder 2.16, 2.22, 2.28

F-Jan 16

 Lect-Ch #3         Review for Ch #3 quiz.

HW- handout1(prob 1,2,4), handout3

M-Jan 19

M L King Day (no class)                      

 none                                     

T-Jan 20

Lab- Ch#2-work examples in groups in class

HW-2.30a,b,c; 2.31b,c,e; handout2

W-Jan 21

Lect-Ch #3 Closed Book Quiz (20 test points)(Ch #3 Study Aid will be provided)

HW- Prepare for Quiz. Turn in handout 1 and 3.

H-Jan 22

Lab-Ch #2 Quiz (10 test points)

HW- Prepare for Quiz

F-Jan 23

Lect-Ch #4 steady state, continuous and batch, flow charts, component and total mass balances. Work problem in groups

HW- Read Ch #4 Sections 1-3

M-Jan 26

Lect-Ch #4 labeling flow charts, independent and dependent mass balances, degree of freedom analysis. Work problem in groups

HW Test Yourself pg 98, prob 2; 4-1abc, 4-3a

T-Jan 27

Lect-Review of Ch#2 Quiz 

HW Read Ch #5

W-Jan 28

Lect-Ch #4 lect & working examples in class in groups. Single and multi-unit processes. Work problems in groups

HW 4-7ab, 4-10, 4-6ab(text should read unknown mass fraction in 4.6b, just provide all material balances for 4-6b, don’t solve)

H-Jan 29

Lab-Ch#2 Make-Up Quiz 

Prepare for Make-up Quiz

F-Jan 30

Lect-Ch #4 lect & working examples in groups in class. Multi-unit processes. Process specifications. Natural product processes.

HW 4-23a,b(show flow chart), 4-28 (write balances for each unit plus the mixing point and the overall process balance in 4-28; indicate which equation to solve first, second, third, etc but do not solve)  

M-Feb 2

Lect-Ch#4 Bypass, recycle and purge, flow sheet preparation in natural product processes. Process specifications handout 

HW 4-29a (include process specifications (e.g. 96% of the “X”, etc). Determine whether to do Unit 1 Balance or Overall Process System Balance first. Next, write independent material balance equations needed to determine each unknown, but do not solve. 4-9a,b,c (include the 45:55 process specification as one equation. Use solids as one component and remember that sugar is a solid).

T-Feb 3

Lab-Ch#5 Ideal gases, standard temp and press, standard and actual volumetric flow rates, ideal gas mixtures, partial pressures. Non-ideal gases, corresponding states, compressibility.

                                 

HW 5-11, 5-25, 5-27ab

W-Feb 4

Lect-Ch #4 lect & working examples in groups in class

 Process Specifications, previous quiz problems handout 5

HW 4-32a (100kg feed basis, show each equation, do not solve), 4-36a (100 kg/min beans fed, use hexane (solvent) and solids as components. Show each equation, do not solve). Process specifications handout.

H-Feb 5

 Lab- Ch#5 Non-ideal gases, corresponding states, compressibility

HW 5-11,5-25, 5-27ab

F-Feb 6

 Lect-Handouts to prepare for Ch#4 quiz including industrial coffee process and 2008 quiz problems

HW Handout 5

M-Feb 9

Lect-Review for Ch#4 Quiz     

HW Industrial coffee process handout plus Ch #4 test problems from 2008 handout     

T-Feb 10

Lab-Ch#5 review for quiz with handouts/examples

HW 5-64, 5-66(use PR  & TR to find Z)

W-Feb 11

Lect-Ch# 4 Quiz-(60 test points) Closed Book                     

           Prepare for Quiz

H-Feb 13

Lab-Ch# 6 Phase diagram; vapor pressures using tables, Cox chart, Antoine equation; Gibbs Phase Rule

HW Read Ch#6 Sections 1-3          

F-Feb 14

Lect-Ch #4 Material balances w/ reaction, general balance equation with reaction, limiting reactant, fractional excess reactant, fractional conversion, extent of reaction, stoichiometric coefficients

HW TY p 119-120 prob 1,2,3,4,5

M-Feb 16

Lect-Ch #4 Material balances w/ multiple reactions and reaction equilibrium using extent               

 HW 4-39abc(continuous reactor, also determine outlet mole fraction when limiting reactant is used up); 4-40abc(continuous reactor)

T-Feb 17

Lab- Ch#5 Quiz-(20 test points)

         Prepare for Quiz

W-Feb 18

Lect-Ch #4 Reaction equilibrium and atom balances

TY pg 125 prob 1,2,3,4; HW 4.49abc(extent, multiple reactions)

H-Feb 19

Lab-Ch #6 One condensable systems, humidity, material balances with phase equilibrium (partial pressure, dew point, relative humidity, condensation, etc.)

HW 6.7bc, 6-9a, TY p249 prob 1, 6-13         

F-Feb 20

Lect-Ch #4 reactive material balances- multiple reactions. Prepare for Ch#4 Quiz 2. Go over Ch #4 Quiz 1. Provide class handout.

HW 4.46c (equilibrium); 4.43ab (atom balances and extent of reaction)

M-Feb 23

Lect-Ch #4 Quiz 2 (20 test points)

Emphasis on some of same topics as last quiz

HW 4-50bc (Basis 100kgmoles of C2H5Cl in product; only C2H6 and Cl2 in feed; (b) assume no process specifications; (c) solve process specifications first.)

T-Feb 24

Lect-Ch#6 examples and handouts

HW 6-13,                                       6-15a ((yw )(P)=(h­r)(p*w), 6-15c, 6-22abc (hexane is condensable, use Cox chart), TY pg 258 prob 4ab

W-Feb 25

Lect-Ch #4 combustion. Discuss HW 4-50bc plus HW due 4-25

HW  4-64ab

H-Feb 26

Lab-Ch#6 handouts/examples to prepare for Quiz       

HW  6-23ab (use Cox chart, gas saturated at condenser outlet, instead of volume ratio in part (b), find compressor outlet temperature), also handouts and examples for homework  

F-Feb 27

(2009 Mid Semester is 2/27) Lect -Ch #4 combustion

Discuss Ch#4 Quiz 2 Solution

HW 4-68b(known reactants),4-70c(known dry product gas)

M- Mar 2

Lect –Ch#4 atom balances and combustion-problem session on recycle reactor. Handouts: Methanol synthesis recycle reactor practice problem and Ch#4 quiz 2 solution.                  

HW Ch#4 Quiz 1 prob 2 handout, 4-74 (determine lbmoles of C, H and S per 100 lbmass fuel oil, ignore non-combustible 1.3% of the fuel), 4-77 (no solid or liquid products, no fuel in the product)

T- Mar 3

Lect-Ch #6 Quiz-(20 test points)

     Prepare for Quiz

W-Mar 4

Lect-Ch #4-Review for test with problem session. Distribute handout 6 for Test #1 preparation

HW Ch#4 Quiz 2 problem 2 handout, 4-56b (determine unknowns, independent atom balances and process specification, DOF, then perform calculations); Methanol synthesis reactor recycle practice problem

H-Mar 5

Lab- Thermodynamic Tables: steam tables: pressure, temperature, specific volume; boiling point, triple point, dew point, densities, reference states, state properties, linear interpolation between values

HW  Read Ch#7, Section 7.5b

F-Mar 6

Lect-Ch#4 Review for test

HW Handout 6 problems for Test #1 

           M-Mar 9

Lect-Test #1 part 1 (closed book)-(100 points for the sum of parts 1 and 2)

           Prepare for Test #1      

T-Mar 10

Lect-Test#1-part 2 (open book)

           Prepare for Test #1

W-Mar 11

Lect-Ch #7 First Law Energy Balances for closed and open systems. Internal Energy and Enthalpy. Do TYpg319 prob1,2,3 in class.

HW Read Ch#7

H-Mar 12

Lab- Thermodynamic Tables: internal energy, enthalpy, double interpolation.  Do assigned example problems       in lab.

HW 1. What is the reference state for gases in Tables B.8 and B.9?

2. Compare the values for H hat for steam at 1 atm and 212oF from Tables B.7, B.8 and B.9 by interpolation or extrapolation. 3. TY pg 327, problems 1,2c

F-Mar 13

Lect–Ch #7 Energy Balances in Processes with one or two components. Applications.

Mar 16-20 Spring Break  

HW-TYpg319prob1,2,3; 7.9 b,c,d; 7-22

M-Mar 23

Lect-Ch #7 Applications. Distribute Ch#7 prep handout. Discuss Test #1 Solution.

HW 7-28a,b,c ((a) consider ethane as the system and steam part of the surroundings, (b) consider steam as the system and ethane part of the surroundings; (c) consider the entering and exiting steam and ethane temperatures); 7-29a,b,c ((a)interpolate the steam tables to find  the outlet steam temperature)   

T-Mar 24

Lect-Ch # 7 Review for Quiz

HW- Handout prob1a,b,c;2;3

          W-Mar 25

Lect-Ch #8 State properties, calculate enthalpy changes by process paths, effect of P and T on ∆U and ∆H; Table B.2 heat capacities, etc.

       Read Ch #8

H-Mar 26

Lab-Excel Instruction in the Ross Computer Lab 

             None

F-Mar 27

Lect- Ch #7 Quiz (30 points) Closed Book

        Prepare for Ch #7 Quiz

M-Mar 30

Lect-Ch #8 Application of process path calculations, mixtures, inlet-outlet enthalpy table, ideal gas enthalpy table B-8. 

HW-TYpg371 prob 1, pg 372prob 3c, pg373 prob 2,4; pg 381prob 2b,c

T-Mar 31

Lab-Ch #8.4d Psychrometric chart theory and applications

HW-Read section 8.4d in text

          W-Apr 1

Lect-Process path calculations, inlet-outlet enthalpy table applications. Develop student teams for the Class Project. Give out Class Project.

HW-8-4 a,b,c,d,e (Use the correct Form number for the Cp), 8-6b(Table B-2, Form 1); 8-10a,b; 8-14a,b

           H-Apr 2

Lab-Psychrometric chart applications and Class Project.  Start on the HW for Apr 7 in class, bring text.

HW 8.75a,b,c

F-Apr 3

Lect-Ch#8 Process path choices, Ch #9 Heats of reaction, heats of formation

HW-8-45a,b(assume ideal gas for vapor), 8-36a,b(∆Hv is only available at 1 atm at the boiling pt). Read Ch#9, Sections 1-4. Turn in names for your project group.

M-Apr 6

Lect-Ch#9 Energy balances with heats of reaction and heats of formation.

HW-TYpg448 prob1,3; 9.7a,b,c

T-Apr 7

Lab- Class Project. Do project material balances in lab-first phase.

HW-8.76a,b and 8.77. Turn in Complete Project Process Flow Diagram

W-Apr 8

Lect-Ch #9 Energy balances with ∆Hr and ∆Hf. 

HW-TY pg 445 prob 2b,c,d; 9-11a,b,c,d (Use heat of reaction method-all compounds are gaseous at 1 atm, HCl is a catalyst)

H-Apr 9

Lab-Team Project. Do project material balances in lab-second phase.

 

HW-Turn in Project Material Balances-1st phase with your group’s condenser temperature and pressure.

F-Apr 10

Lect-Ch #9 Applications-Fuels and Combustion

HW-9.17a,b,c (Use heat of formation method using atomic species as references for the reactor enthalpy table. Each reactor reactant & product is a gas. Complete all material balances for both reactor and condenser in part a; water gas shift reaction is CO + H2O → CO2 + H2)

M-Apr 13

Lect-Ch #9 Reactor energy balances-Adiabatic reactors

HW-TYpg466 prob 1,2,3 (Use soft coal for prob 3)

T-Apr 14

Lab- Team Project-Complete all material balances, start energy balances

HW-Turn in Complete Project Material Balance at end of lab   

W-Apr 15

Lect-Ch #9 Reactor energy balances. Adiabatic reactors

HW-9.17e (modify 9-17c to an adiabatic reactor (use heat of formation method, each reactant and product is a gas))

H-Apr 16

Lab-Team Project  

HW-Turn in Project Energy Balance-1st phase at the end of lab

F –Apr 17

Lect-Ch #9-Give out Test #2 prep handout 1

HW- 9.16 a,e,f (each reactant and product is a gas; use heat of reaction (extent) method). For part e, determine the heat that must be removed from the reactor using the “a” term of the specific heat equations to calculate the enthalpies of each reactant and product. For part f, determine the reactor outlet temperature for adiabatic operation.

M-Apr 20

Lect-Ch#9-Review for Test #2. Give out Test #2 prep handout 2

HW-Test #2 Prep Handout 1 Problems

T-Apr 21

Lab- Project.

HW-Turn in Complete Reactor and Condenser Energy Balances and Revised Complete Material Balance at end of lab

W-Apr 22

Lect-Ch#9- Review for test 2.

HW- Test #2 Prep Handout 2 Problems

H-Apr 23

Test #2-part 1 (100 points for the sum of parts 1 & 2)- Open Book

HW- Prepare for test

F-Apr 24

Test #2-part 2-some Closed Book and some Open Book–Ch# 8 & 9        

HW- Prepare for test

M-Apr 27

Lect-Ch #9-review Tests #1 & #2 and review Ch #4, #5 and #6 for final

HW-Review Ch #4, #5 and #6

T-Apr 28

Lab-Project Presentations

HW-Turn in copy of Power Point Slides after talk

W-Apr 29

Lect-Last Class Day- Review Ch #4, #5, #6 for Final             

HW-Review Ch # 4, #5, #6 and prepare for final

H-Apr 30

Make-up Missed Exams at 10:00 am with official excuses presented on Apr 29 or earlier

Provide official excuses for any missed exam or project presentation.

 

 

Project Written Reports with Final Calculations due at 11 am on April 30.

          W-May 6

Final Exam-12:00-2:30 pm-Part Closed Book and Part Open Book