Szukana fraza: [Abstract = "This article contains the results of research conducted at the Institute of Environmental Engineering Technical University of Czestochowa for the possibility of composting municipal sewage sludge, and the dairy industry sludge with other substrates to maintain quality allowing for agricultural use of the resulting product. Two mixtures with variables addition of sewage sludge, industrial sewage sludge, grass and bulking agent were composted in labscale bioreactors during 30 days."]