A Review Of The Bioenergy Potential Of
Residual Materials In Quebec
Author(s)
S. David & N. Abatzoglou
Abstract
In Quebec more than 48% of residual materials produced in 2006 throughout all
societal activities have been disposed of finally in landfills. Despite government
policies on the 3Rs (Reduction, Reutilization, Recycling) and the total recovery
objectives set-up, the total mass landfilled has increased by 120% over the last
10 years. Over the last 50 years, although the agricultural surface decreased by
half, the number of pigs tripled. With an annual production of almost 8 million
pigs, more than 400 out of a total of 1200 Quebec municipalities have a
considerable surplus in liquid manure. The present work undertakes a review of
these two growing problems-opportunities in Quebec and proposes alternative
and sustainable solutions.
Since the building and operation of experimental bioreactors (manure
digesters) in some farms in Quebec, the anaerobic co-digestion of the rural and
urban putrescible materials seems an interesting avenue. The development of a
green energy vector by valorising the so-produced biogas would also contribute
in decreasing the rejection of contaminants in the environment. In this work,
only the biomass, resulting from the residential sector and the quantity of the
liquid manure available in Quebec, is considered to calculate the Bioenergy
potential. The Bioenergy output of the various methanisation processes are
compared with that abroad, particularly in Europe. The available biomass in
Quebec has been calculated based on available statistical data regarding the
production of urban waste and manure. The review shows that this Bioenergy
vector technology is sustainable and that its commercialization can be profitable
at a cost no higher than that of disposal in landfills.
Keywords: biomass, organic waste, anaerobic methanisation, bioreactor,
codigestion, green energy, Bioenergy.
Keywords
biomass, organic waste, anaerobic methanisation, bioreactor,
codigestion, green energy, Bioenergy
Related Book
Other papers in this volume
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