Books by Michael H. (Linden Gerardi

For years, operators have learned that they have little control over lagoon and fixed film sewage treatment systems.

For years, operators have been taught that they have very little control over lagoon and fixed film sewage treatment systems. This book gives these personnel a new understanding of how these processes work and does so in a practical manner that emphasizes necessary information for understanding biological conditions at the treatment process.

An invaluable troubleshooting tool,Microscopic Examination of the Activated Sludge Process addresses how to use the microscope and provides proper techniques for sample preparation. It explains how to relate and interpret observations and whether observing conditions are desirable or undesirable.

The activated sludge process is the most versatile, commonly used wastewater treatment system in North America; however, many activated sludge processes frequently experience operational problems related to poor compaction or settleability of secondary solids and loss of secondary solids from the clarifier. This work covers this topic.