Design, operation and maintenance of sewage treatment plants - A guide by the Karnataka State Pollution Control Board

The KSPCB presents a manual on "Design, operation and maintenance of sewage treatment plants" below -
29 Dec 2011
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This guidebook published by the Karnataka State Pollution Control Board takes the reader through various units, operations and processes in a typical Extended Aeration Biological treatment plant, the Workhorse of the industry. The treatment proceeds in a logical and linear progression from the first unit, the Bar Screen to the final unit for sludge handling and disposal.

The three cardinal rules are applied to each unit in a simple enough manner that makes reading the book easy and the learning to be fun, with splendid 3D colour illustrations of the various units in the Treatment Plant. At the end of the book are self use and evaluation sections, where the reader is enabled to navigate through the design and engineering checks for a good treatment plant. 

The guidebook is intended to be a primer in domestic STP (Sewage Treatment Plant). The design, engineering, operation and maintenance aspects of the various units in the STP are covered. The book is directed at large and small builders, managing committees and estate managers of apartment complexes, facility managers of factories and large office complexes, officers of Pollution Control Boards, students of Environmental Engineering, lay persons or environmentalists.

For each unit of the STP, the following aspects are addressed:

  • The basic intended function of each unit
  • How a typical unit looks like and how it works
  • Design considerations
  • Engineering considerations
  • Operation and Maintenance aspects
  • Troubleshooting chart

The guidebook is divided into the following sections:

  • Background
  • Understanding the STP stages
  • Bar Screen Chamber
  • Oil and grease grit trap
  • Equalisation tank
  • Raw Sewage Lift Pumps
  • Aeration tanks
  • Secondary Clarifier/Settling Tank
  • Sludge Recirculation
  • Clarified Water Sump
  • Filter Feed Pumps
  • Pressure Sand Filter
  • Activated Carbon Filter
  • Disinfection of Treated Water
  • Excess Sludge Handling
  • Miscellaneous Considerations
  • Design and Engineering
  • STP Design Process
  • Engineering checks for STPs
  • Operational checks for STPs

A copy of the guidebook can be downloaded from below:

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