Learning Goals, Treatment Processes


Thermal Treatment

I. Main advantages and disadvantages of incineration
II. Exhaust gases
  A. How do we make "dioxin" (TCDD)
  B. What is tested for in exhaust gases
III. What are key treatment parameters
IV. Some types of Incinerators and processes:
  A. Thermal desorption
  B. Afterburner
     1. Asphalt plant type
     2. Cement kiln
  C. Multiple hearth
  D. Liquid injection
  E. catalyst
  F. fluidized bed
  G. vitrification (turning waste into glass-like substance)
V. Compute the DRE of a POHC

Physical Treatment

Be able to discuss - in two or three sentences - the various physical treatment process, what they are used for, the major parameters that control their processes, and their major pro's and con's:
1. Sedimentation -general, factors that affect.
2. Clarifiers
3. Lagoons
4. Cyclones
5. Flotation
6. Filtration
7. Sorption
8. Evaporation
9. Distillation
10. Condensation
11. Air stripping

Chemical treatment

1. Be able to discuss these terms:
water-octanol partitioning, polar, non-polar, hydrophobic, hydrophilic, colloid, emulsions,
2. Be able to discuss - in two or three sentences - the various chemical treatment process and the kinds of wastes they might be used for:
Neutralizations (acid-base), Precipitation, coagulation and flocculation, oxidation-reduction, disinfection, ion exchange, stabilization.

Biological Treatment

I. General
  A. Know the meanings of:
    1. bacteria, cyano bacteria, fungi, algae, protozoa, heterotroph, autotroph, (both photosynthetic and chemosynthetic)
    aerobic, anaerobic, facultative
  B. Factors that affect growth: pH, Temperature, nutrients (know some), toxic chemicals.
  C. Typical growth curve and factors that control
  D. Major chemical equations