Good Powerpoint by Lee Enterprises Consulting expert, John Forcier, P.E, about practical aspects of anaerobic digestion design, including discussions on sand and grit removal, foaming causes and solutions, odor control, gas cleaning, heating, insulation, corrosion protection, recycling, effluent storage, safety and more. For another good PPT from this expert, see Maximizing Anaerobic Digestor Output With Affecting Operations.