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Share Waste materials from the pulp and paper industry have long been seen as possible fillers for building products like cement, but for years these materials have ended up in the landfill. Now, researchers at UBC Okanagan are developing guidelines to use this waste for road construction in an environmentally friendly manner. The researchers were particularly interested in wood-based pulp mill fly ash (PFA), which is a non-hazardous commercial waste product. The North American pulp and paper industry generates more than one million tons of ash annually by burning wood in power boiler units for energy production. When sent to a landfill, the producer shoulders the cost of about $25 to $50 per ton, so mills are looking for alternative usages of these by-products.

United statesChinchu cherianSumi siddiquaOkanagan school of engineeringPostdoctoral research fellow drGeomaterials testing labAlliance initiativeNorth americanAdvanced geomaterials testing labPostdoctoral research fellowCleaner productionBio alliance initiativeஒன்றுபட்டது மாநிலங்களில்ஒகாநாகெந் பள்ளி ஆஃப் பொறியியல்போஸ்ட்‌டாக்டொரல் ஆராய்ச்சி சக டாக்டர்கூட்டணி முயற்சி