WASTE TO ENERGY  

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Overview

Wastes are generally generated in urban, municipal and industrial sectors. This is due to process of urbanization that had drastically increased industrial activities resulting  in uncontrolled growth of urban population. Due to improper waste management facilities, these wastes are polluting the environment. Technologies are now available to treat the garbage to meet the required pollution control standards and also for generating power in feasible cases.

                 

Technology

Technologies that are available for  waste disposal and energy generation are

    a)    For solid wastes

  • Incineration
  • Palletisation
  • Pyrolysis / gasification
  • Sanitary landfill technology

    b)    For liquid wastes

  • Anaerobic treatment
  • Gasification
  • Bio-methanation
  • Sludge Incineration

Benefits

The  major benefits can be summarized as below

  • Pollution free environment
  • Improved sanitation
  • Saving in fuel costs for power generation
  • Better utilization of wastes