July 12, 2017
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Our project partners have observed that no fuel is 100% green or clean, but some fuel choices are “greener” than others. What makes one fuel “greener” than another?

Evaluation of Low Carbon Fuels – Project 2, Considerations for Permanent Use

Lafarge, Canada’s largest diversified supplier of construction materials, has undertaken a broad initiative to improve the sustainability of their Bath cement plant by the year 2020, termed the Cement 2020 Initiative. Under this initiative, working in Partnership with Queen’s University, environmental non-government organizations and various levels of government, Lafarge is reducing its imported fossil fuel use, and so lowering its Green House Gas emissions, through the use of local and/or regional, sustainable, Low Carbon Fuels (LCF). Lafarge is currently approved to use virgin biomass (crops such as switch grass and oat hulls) in the cement manufacturing process, and has completed an Environmental Screening Process to assess the use of weathered treated wood (such as railway ties and utility poles), construction and demolition materials and asphalt shingles as LCFs (“Project 1”); an Environmental Compliance Approval application will be submitted to the Ministry of Environment and Climate Change (MOECC) for the permanent use of these fuels. Lafarge is now using the same Environmental Screening Process to assess the potential environmental effects (including benefits) of using the following materials as LCFs (“Project 2”):

  • paper fibre/wood/plastic composite materials, such as manufacturing rejects and trimmings of unused off-spec personal hygiene products, household goods, packaging labels and tape;
  • non-recyclable paper fibre packaging (and related similar products), such as rejects and trimmings from paper recycling facilities (i.e. ragger tails);
  • textiles, carpet cuttings, manufacturing end rolls and cores; and
  • disposable beverage cups and lids (e.g. K-cups).

At the same time as undertaking Project 2, Lafarge is using their Pilot Study to assess the use of a variety of other mixed biomass LCFs. Lafarge is proposing to amend their Pilot Study Environmental Compliance Approval to include non-recyclable rubber (not including used tires) and rubber recycling by-products (e.g. polyester/nylon fiber from tire recycling facilities), non-recyclable plastics from Material Recovery Facilities and the Institutional, Commercial and Industrial (ICI) sector, and non-odorous oversized and/or unused compost materials (e.g. twigs, plastic bags) on the list of allowed fuels. The Notice of Commencement and Public Meeting, Draft Project Description Report, and Draft Screening Criteria Report, are available at the links below.

Notice of Commencement and Public Meeting

Draft Project Description

Draft Screening Criteria

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