Solid Waste

Solid waste is a key part of a potential IRM system.

Historically solid waste has been largely handled by landfills but these generate considerable amounts of leachate pollution and are one of the largest contributors to many communities' GHG emissions. Efforts are thus being made to reduce or eliminate them altogether.

Solid waste can be processed to capture and generate heat and power, but can also generate fertilizers, chemicals and bio-fuels, amongst other things. Liquid waste biosolids can also be processed to produce the same range of energy. This means that solid waste can, if managed carefully, generate benefits.


An international engineering group studied solid waste management options for three communities and concluded the best option would cost $119m. We reviewed the recommended system and found that if optimized using IRM, the systems could be structured differently with taxpayer benefits of +/-$340m, with considerably better ecological and environmental results.

We also reviewed the proposed organics recycling plan. The proposed system will result in 63% reuse and recycling. An IRM approach and optimised system would be capable of reusing and recycling up to 97% with reduced costs and risks (see also the recycling and technologies pages).


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Pivotal IRM Inc., 2016