Wednesday 31 October 2012

Bio-Gas plant Visit


Biogas is an odorless, colorless gas commonly referred to as sewer gas.It is primarily made of methane, and 1,000 cubic feet of biogas can produce the same energy as 600 cubic feet of natural gas or 5.2 gallons of gasoline.A family of four may use 150 cubic feet of gas daily to power the appliances and lighting in their home.

USAGE OF BIOGAS PLANT:

A biogas plant converts biological waste into energy.It can use anything from livestock, chicken or human waste to agricultural compost or plant clippings. When these things decompose, they create methane.A biogas plant is a technology to capture these methane emissions and burn them to create more useful products.

Steps Involved in a Biogas Plant

  • Biogas is produced in several key stages that allow materials to decompose. A biogas plant is designed to take in biological matter and decompose it to produce useful gas, especially methane, which is a major component in natural gas that is mined from deposits.
  •  This methane can be used in similar devices to natural gas and does not deplete natural gas resources.
  • These plants are used to recycle waste from restaurants, farms and other places, or to provide developing nations with an alternative source of gas for heating and powering various appliances.
  • Biogas plants use a simple process to turn biomaterials in gas.

Working

  • The digester, shaped like a cube or a cylinder, has an inlet for slurry to enter it. The gas holder is made from steel and floats in the digester.
  • Its placement cuts off air to the digester, and the gas tank absorbs the emitted gas, sending it out of the plant through a pipe. Overflow from the digester is fed to the sludge receptacle.




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