Biomass fuel based on wastes from the paper industry

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Abstract

Wastes from paper industry are mostly combustible. It is possible to recycle them with energy recovery. These wastes have a high moisture content (up to 60%) and thus a small calorific value. An alternative to waste incineration is the production of solid recovered fuel. The benefits are: easy adjustment of the physical and chemical properties of the fuel (via the change of proportions of ingredients), low moisture and high calorific value. The study involved the following types of cellulose wastes:-Belmer-The rejects from recovered paper, Krofta-deinking sludge, sludge-wastewater treatment sludge, bark-The rejects from virgin pulps. The results of investigations of waste produced in one of the biggest Polish paper mill-are shown. Following aspects were investigated: energy properties, content of carbon, hydrogen, sulfur, chlorine and nitrogen, chemical composition of ash. Authors proposed two formulas of the biomass fuel. The properties of the fuel such as the content of carbon, hydrogen, sulfur, chlorine or nitrogen, the chemical composition of the ash were investigated. Due to the fact that the combustion of the biomass fuel is preferred in view of law regulations (zero CO2 emission, green certificates) the content of biodegradable fraction was examined. It has been shown that the fuel is a biomass one. Fuel from waste can be a substitute for approx. 25% of primary fuel (coal) used by the paper mill.

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Budzyń, S., & Tora, B. (2016). Biomass fuel based on wastes from the paper industry. In E3S Web of Conferences (Vol. 10). EDP Sciences. https://doi.org/10.1051/e3sconf/20161000083

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