ABSTRACT
Bioremediation is the use of microorganisms and plants to clean up pollutants in the environment. All human life causes pollution to some degree. Only in very low-density agrarian societies, or among nomadic peoples, can
CONTENTS
The Context ............................................................................................................ 13 Bioremediation: An Overview ............................................................................ 14 Water Treatment .................................................................................................... 15
Wastewater Perspective ................................................................................... 15 Biochemical Oxygen Demand ........................................................................ 15 Stages of Wastewater Treatment .................................................................... 17 Nonindustrial Methods of Treatment ............................................................ 18 Activated Sludge Process ................................................................................ 18 Sludge Stabilization ......................................................................................... 19 Anaerobic Digestion ........................................................................................ 20 Nutrient Removal from Efuent: The Context ............................................ 20 Biological Nitrogen Removal .......................................................................... 21 Biological Phosphorus Removal ....................................................................22
Treatment of Other Types of Polluted Water .....................................................23 Bioremediation of Oil Spills: The Context ....................................................23
