Javascript teaching exercises for Environmental Engineering

For Biochemical Engineering

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Prof. Bungay's old web pages with Java applets are nearly obsolete as browsers are ceasing to support Java because of security issues. This is a list of new pages and pages that have been converted.

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Week 1 Introduction

  • Week 2 Equipmemt

    Week 3 Potable Water, Equilibrium

  • Plotting log concentration vs pH
  • Week 4 Disinfection, Filtration

  • Sterilization kinetics
  • Filter cake compressibility
  • Week 5 Coagulation, Sedimentaion

  • particle migration in a velocity field
  • Crystallization that is too rapid
  • Coagulation: electrostatic and van der Waals forces
  • Lamellar Sedimentation
  • Week 6 Adsorption

  • Linearization of Langmuir equation
  • Fitting data with Langmuir and Freundlich equation
  • Mix bed ion exchange animation.
  • Week 7 Membranes

  • Concentration Polarization in Membranes
  • Donnan Theory 1
  • Donnan Theory 2
  • Week 8 Mass Transfer and Mixing

  • Aeration - rising bubbles
  • Sag curves: dissolved oxygen in a stream
  • Week 9 Treatment of Wastewater

  • Week 10 Bioprocess Theory

  • Diauxie: sequential use of nutrients
  • Amino acid menu
  • Monod equation
  • Growth curves (logarithmic)
  • Growth rate equations - several starting here.
  • Batch Growth simulation
  • Batch growth graphs of nutrient and cell mass
  • Andrews inhibition equationt
  • Synchronous culture time graph
  • Continuous cultivation (steady states)
  • Diauxie in continuous culture
  • Recycle in continuous culture
  • Recycle in a plug flow channel
  • Mixed Cultures: Competition in continuous culture
  • Continuous culture inoculated with slower organism
  • Mixed Cultures: Predation in continuous culture
  • Contamination of a continuous bioprocess
  • Week 11 Trickling Filters, Activated Sludge

  • Flow regimes in a channel
  • Activated sludge animation
  • Week 12 Sludge Disposal

  • Animation of syneresis

    Week 13 Tertiary Treatment

    Week 14 Leaching

    Additional Topics

  • Electrophoresis
  • Fuzzy Logic for Environmentaal Engineering
  • Energy from biomass

    Process Control

  • Gain and phase shift estimation
  • Distance-velocity lag       Javascript routine for distance-velocity lag


  • Draw Javascript Rotating Arrows
  • Draw Javascript Stationary Arrows

  • Help for counter This Javascript code works with Chrome browser