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Pulp and paper mill sludge management practices : what are the challenges to assess the impacts on greenhouse gas emissions?

Faubert Patrick, Barnabé Simon, Bouchard Sylvie, Côté Richard et Villeneuve Claude. (2016). Pulp and paper mill sludge management practices : what are the challenges to assess the impacts on greenhouse gas emissions? Resources, Conservation and Recycling, 108, p. 107-133.

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Pulp and paper mill sludge (PPMS) is an organic residual generated from the wastewater treatments. PPMS management involves economic, environmental and social costs that will likely increase in the future as landfilling tends to be reduced or banned in certain jurisdictions. The reduction or the banning of landfilling may be considered as a climate change mitigation measure since organic waste disposal is normally associated with greenhouse gas (GHG) emissions. This critical review aims to (1) describe the variety of the current and emerging PPMS management practices that are alternatives to landfilling and (2) underline the crucial need for GHG emission assessments. The management practices of the three main PPMS types (primary, secondary and de-inking) comprised in this review are land application (agriculture, silviculture, land reclamation and composting), energy recovery (combustion, anaerobic digestion, pyrolysis, bioethanol, hydrogen production and direct liquefaction) and integration in materials (biocomposite, cement, asphalt and adsorbent–absorbent). Future research should focus to increase the comprehension of known GHG determinants from the PPMS management practices and reveal unknown factors. Life cycle analyses, based on direct GHG emission measurements, are needed to determine GHG emissions from current and emerging practices and plan a responsible future reduction or banning of landfilling. Such analyses will contribute to assist decision makers in implementing the best PPMS management practices with the least impact on climate change.

Type de document:Article publié dans une revue avec comité d'évaluation
Pages:p. 107-133
Version évaluée par les pairs:Oui
Identifiant unique:10.1016/j.resconrec.2016.01.007
Sujets:Sciences naturelles et génie > Sciences appliquées > Eau et environnement
Sciences naturelles et génie > Sciences naturelles > Biologie et autres sciences connexes
Sciences naturelles et génie > Sciences naturelles > Chimie
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales
Mots-clés:biosolid, climate change, landfilling, land application, energy recovery, life cycle analysis
Déposé le:17 mars 2016 22:24
Dernière modification:11 juill. 2019 18:21
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