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Brady Road Resource Management Facility

Methane gas collection system

We are reducing methane gas released from the Brady Road Resource Management Facility by capturing and burning the gas.

Background

Decomposing organic waste in landfills produces a gas which is composed primarily of methane. Methane gas is:

  • a harmful greenhouse gas contributing to climate change, and
  • 21 times more potent than carbon dioxide in terms of its global warming potential.

About the gas collection system

The methane gas collection system:

  • is located in the closed, northeast part of the landfill,
  • was constructed from October 2012 to August 2013,
  • is a requirement under The Climate Change Emissions Reduction Act, and
  • cost $7 million to build, including a contribution from the Province of Manitoba of more than $2.5 million.
How the gas collection system works
  • 42 gas collection wells were drilled (average of 21 metres deep and 61 centimetres in diameter) into a completed part of the landfill, where the garbage is over 30 years old.
  • In 2018, the system was expanded to include an additional 24 wells and 3,500 metres of piping.
  • A vacuum compressor draws the landfill gas from the wells into seven kilometres of underground piping, to a blower.
  • The gas is then blown to the flare, where it is combusted at a temperature of 871 degrees Celsius.
  • The flare is currently operating at just over 1,000 cubic feet per minute.
  • A system monitors the amount, pressure and quality of gas captured.

Benefits

By collecting and flaring methane gas:

  • carbon dioxide (a less-harmful gas) is produced,
  • annual greenhouse gas emissions are reduced equivalent to the emissions from 21,700 passenger vehicles (based on the current flaring rate of 1,000 cubic feet per minute), and
  • nuisance landfill odours are reduced.
Future plans

The methane gas collection system was built to accommodate future upgrades, such as:

  • expanding the gas collection area to include active parts of the landfill, and
  • using the captured gas as an energy source.
Last updated: July 10, 2019

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