A Process Unit Based Approach to Media-Integrated Waste Minimization: A Paint Manufacturing Case Study

by Rafal D. Walicki,
Isobel W. Heathcote,
Gordon Hayward,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract: Research conducted at the School of Engineering, University of Guelph, has developed a media-integrated waste minimization plan for a major Ontario paint and coatings manufacturer. The study facility produces alkyd, latex and aerosol paints and a variety of household chemicals, all for national distribution. The alkyd line was selected for detailed study because of its complex product mix, production volume and high wastestreams generation. Phase one of the project focused on collection and compilation of data and phase two developed waste minimization options. Results indicated that the most significant contributors of total hydrocarbons and solid wastes were equipment cleaning wastes and solvent recovery wastes, with evaporative vapour emissions and spent filters next most important. The study identified fifty-four primarily low-cost waste minimization actions for the alkyd line. The results of this assessment will provide one component of the facility's enviromnental protection strategy for the future. The study served as an illustration of a model for innovative media-integrated waste minimization planning capable of identifying cost-effective approaches for emission control both within paint formulating industry and in the larger chemical sector.

Subject Headings: Waste management | Solid wastes | Case studies | Emissions | Model analysis | Chemical wastes | Industrial wastes | Education

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