The impact of co-firing sunflower husk pellets with coal in a boiler on the chemical composition of flue gasMonika Zajemska, Paweł Urbańczyk, Anna Poskart, Dariuszs Urbaniak, Henryk Radomiak, Dorota Musiał, Grzegorz Golański and Tomasz WyleciałE3S Web Conf., 14 (2017) 02021DOI: https://doi.org/10.1051/e3sconf/20171402021