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Did you know that Australian households produce close to 1.5 tonnes of waste each per year, with most of this ending up in landfill? The methane from this decomposing food waste is a known contributor to climate change, so finding alternative food waste disposal and treatment is essential.

Disposers are designed to complement household compost bins, as they eliminate the organic matter – like meat bones and dairy – that is unsuitable for composting.

How can disposers help reduce carbon footprints and create renewable energy?

  • Disposers divert food waste from landfill, helping to reduce green house gas emissions from decomposing waste and the trucks transporting it.
  • Food waste can be recycled into renewable energy at capable wastewater treatment plants and be fed back into the grid. 
  • Wastewater treatment plants can process food waste into biosolids for land regeneration.
  • Food sitting in kerbside bins continues to release dangerous greenhouse gases. Disposers therefore are an ideal solution to eliminate this, particularly with waste bin collection now becoming fortnightly.
  • Disposers use less than 1% of household water consumption and cost less than $3.50 a year in electricity.
  • Food waste has a density of 1 mg/ml. So, if food waste is 70-90% water to begin with, and it has the same density as human waste and water, there should be no concerns about ‘solids’ settling out in sewers and causing blockages and overflows. Properly designed and constructed sewers will transport this material very efficiently to the treatment plant without causing any issues.
  • Importantly, the high carbon to nitrogen ratio will help the plants remove nutrients from their effluent, reducing the negative impacts of eutrophication on our streams, rivers and lakes.

Learn more about the InSinkErator range of disposal units here.