Biological Treatment Processes

1. Front Matter

   Pages i-xix

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2. Biological Concepts for Environmental Control

   • Mary Lou Bungay, Henry R. Bungay

   Pages 1-31

3. Treatment by Application onto Land

   • Donald B. Aulenbach, Nicholas L. Clesceri

   Pages 33-89

4. Treatment by Subsurface Application

   • Nicholas L. Clesceri, Donald B. Aulenbach, James F. Roetzer

   Pages 91-133

5. Submerged Aeration

   • Jerry Y. C. Huang

   Pages 135-168

6. Surface and Spray Aeration

   • Chin-Shu Liu, Shu-Hong Shieh

   Pages 169-228

7. Activated Sludge Processes

   • Calvin P. C. Poon, Lawrence K. Wang, Mu Hao Sung Wang

   Pages 229-303

8. Waste Stabilization Ponds and Lagoons

   • Calvin P. C. Poon, Lawrence K. Wang, Mu Hao Sung Wang

   Pages 305-359

9. Trickling Filters

   • Lawrence K. Wang, Mu Hao Sung Wang, Calvin P. C. Poon

   Pages 361-425

10. Rotating Biological Contactors

    • Mu Hao Sung Wang, Lawrence K. Wang, Calvin P. C. Poon

    Pages 427-448

11. Anaerobic Sludge Digestion

    • David A. Long

    Pages 449-494

12. Back Matter

    Pages 495-498

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The past few years have seen the emergence of a growing, widespread desire in this country, and indeed everywhere, that positive actions be taken to restore the quality of our environment, and to protect it from the degrading effects of all forms of pollution-air, noise, solid waste, and water. Since pollution is a direct or indirect consequence of waste, if there is no waste, there can be no pollution, and the seemingly idealistic demand for "zero discharge" can be construed as a demand for zero waste. However, as long as there is waste, we can only attempt to abate the consequent pollution by converting it to a less noxious form. In those instances in which a particular type of pollution has been recognized, three major questions usually arise: (1) How serious is the pollution? (2) Is the technology to abate it available? and (3) Do the costs of abatement justify the degree of abatement achieved? The principal intention of this series of books on environmental engineering is to help the reader formu­ late useful answers to the second and third of these questions, i. e. , to outline the best currently available engineering solutions, and to examine their costs in the light of the real level of benefits afforded. The traditional approach of applying tried-and-true solutions to specific pollution problems has been a major factor contributing to the success of environmental engineering, and in large measure has ac­ counted for the establishment of a "methodology of pollution control.

• environment
• environmental engineering
• pollution
• pollution control

• Lenox Institute for Research Inc., Lenox, USA

  Lawrence K. Wang

• Monsanto Company, St. Louis, USA

  Norman C. Pereira

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