Fall 2015
ENE 802: Physicochemical Processes in Environmental Engineering

Lec #

Th, Sep 3 1

Course overview (ppt)
Overview of physicochemical methods of water treatment

Process selection (handout)

Course project:

  • for MS Plan C students (pdf)
  • for students pursuing MS Plan A, MS Plan B or PhD (pdf)

Slides on process selection (ppt)
Example problem on multiple barriers (xls)
EPA national primary drinking water regulations (pdf)

Optional reading:

  • Fuller, G. W. Progress in water purification. J. AWWA 1933, 25 (11), 1566-1576 (pdf)
  • Synopsis of major developments in water treatment (pdf)
  • Brown, J. A. The early history of wastewater treatment and disinfection. EWRI 2005 doi: 10.1061/40792(173)288 (zip)
  • Angelakis, A. N.; Koutsoyiannis, D.; Tchobanoglous, G. Urban wastewater and stormwater technologies in ancient Greece. Water Res. 2005, 39, 210-220 (pdf)
Ch. 1-4
Tu, Sep 8 2
 Gas-liquid mass transfer. Gas stripping and aeration
Th, Sep 10 3

Mass transfer across a gas-liquid interface
Aeration and gas stripping
Aeration/stripping tower design

Board notes (pdf)
Images (pdf)
Slides (ppt)

Ch. 7
Ch. 14
Tu, Sep 15 4  HW #1 is due
Th, Sep 17 5
Tu, Sep 22  

Canceled (make-up class scheduled for Oct 8)

Ch. 15
Th, Sep 24 6 Adsorption. Guest instructor: Dr. Samuel Snow  
Tu, Sep 29 7

Adsorption (continued). Guest instructor: Dr. Samuel Snow

Th, Oct 1   Canceled (make-up class scheduled for Oct 14)  
Tu, Oct 6 8

Adsorption (continued)

Board notes (Isotherm measurements; Derivation of Langmuir isotherm)

Optional reading:

Th, Oct 8 9

Adsorption (continued).


Particle stability. Coagulation and flocculation

Th, Oct 8 10

Particle stability.
Make-up class. We will meet
3pm-4:20pm. Location: 1 Natural Resources Bldg

PPT slides (coagulation)
PPT slides (particle stability)
Excel file with DLVO calculations (example problem)

Recommended reading:

C. O'Melia. Fundamentals of Particle Stability. In: Interface Science in Drinking Water Treatment - Theory and Applications. Eds: G. Newcombe; D. Dixon, Elsevier, 2006

Optional reading:

Stumm, W.; Morgan, J. J. Chemical aspects of coagulation. J. AWWA 1962, 54(8): 971-992
Amirtharajah, A.; Mills, K. M. Rapid-mix design for mechanisms of alum coagulation. J. AWWA 1982, 74 (4): 210-216

Ch. 9
Tu, Oct 13 11 Particle stability (continued)
Wd, Oct 14 12

Make-up class. We will meet
9am-10:20am in 3546D Engineering Bldg (CEE conference room)

Th, Oct 15 13


Tu, Oct 20 14 Coagulation (continued). Flocculation HW #2 is due
Inertial separations
Th, Oct 22 15

Gravity settling and hydrocyclonic separation.
Air quality control technologies.

Ch. 10

Tu, Oct 24
Th, Oct 29

Midterm exam

Midterm exam preparation guide
Additional tips

Most important concepts - aeration and gas stripping: PDF
Most important concepts - adsorption: PDF
Most important concepts - mixing, coagulation and flocculation: PDF



Media filtration

Tu, Nov 3 17

Flow in porous media. Granular media filtration

PPT slides

Ch. 11
Th, Nov 5 18

Granular media filtration (continued)

Flow in porous media. Granular media filtration (continued)

board notes (Carman-Kozeny)

Optional reading:

J. L. M. Poiseuille. Recherches experimentales sur le mouvement des liquides dans les tubes de tres petits diametres. Compte Rendu des Seances de l'Academie des Sciences. 1840, p. 961 (header, part 1, part 2)
Elimelech, M.; O'Melia, C. R. Kinetics of deposition of colloidal particles in porous media. Environ. Sci. Technol. 1990, 24: 1528-1536 (pdf)
Rajagopalan, R.; Tien, C. Trajectory analysis of deep-bed filtration with the sphere-in-cell porous media model. AIChE J. 1976, 22: 523-533 (pdf)
Yao, K.-M.; Habibian, M. T.; O'Melia, C. R. Water and wastewater filtration: Concepts and applications. Environ. Sci. Technol. 1971, 5: 1105-1112 (pdf)

Tu, Nov 10 19 HW #3 is due
   Membrane-based separations
Th, Nov 12 20

Membrane processes

PPT slides

Ch. 12
Ch. 16
Tu, Nov 17
Th, Nov 19
22 Reverse osmosis MWH
Ch. 17
Tu, Nov 24   Lab tour: 
- particle characterization methods and instruments
- membranes and membrane testing equipment
Ch. 13
Th, Nov 26   Thanksgiving. University closed.
Tu, Dec 1 23
Disinfection. Guest instructor: Emily Tummons MWH
Ch. 18
Ch. 19
Th, Dec 3 24 Disinfection kinetics. Guest instructor: Chris Crock
Tu,  Dec 8 Course project - presentations
Th, Dec 10 Recitation. Review for the final exam
Dec 18
7:45am - 9:45am
Final exam