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izvor podataka: crosbi

The effect of stabilization on the utilization of municipal sewage sludge as a soil amendment (CROSBI ID 265466)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Černe, Marko ; Palčić, Igor ; Pasković, Igor ; Major, Nikola ; Romić, Marija ; Filipović, Vilim ; Igrc, Marina Diana ; Perčin, Aleksandra ; Goreta Ban, Smiljana ; Zorko, Benjamin et al. The effect of stabilization on the utilization of municipal sewage sludge as a soil amendment // Waste management, 94 (2019), 27-38. doi: 10.1016/j.wasman.2019.05.032

Podaci o odgovornosti

Černe, Marko ; Palčić, Igor ; Pasković, Igor ; Major, Nikola ; Romić, Marija ; Filipović, Vilim ; Igrc, Marina Diana ; Perčin, Aleksandra ; Goreta Ban, Smiljana ; Zorko, Benjamin ; Vodenik, Branko ; Glavič Cindro, Denis ; Milačič, Radmila ; Heath, David John ; Ban, Dean

engleski

The effect of stabilization on the utilization of municipal sewage sludge as a soil amendment

This study assesses the potential use of different types of stabilized sewage sludge as a soil amendment by considering their physicochemical characteristics, nutritional status, and their trace metal and radionuclide content. The concentrations of trace metals and radionuclides were determined using ICP-OES and gamma-ray spectrometry, respectively. For determining nutritional status and chemical characterization, this study followed standard ISO-recommended procedures. Data analysis revealed that anaerobic sludge contains higher concentrations of Cr, Hg, and Ni compared to aerobic and nonbiologically stabilized sludge. A similar observation was observed in the case of 226Ra, 210Pb, 228Ra, and 228Th. Furthermore, the high levels of P and N in aerobic sludge suggest that biologically stabilized sludge has the potential to be a good fertilizer. In addition, the study finds strong evidence that nutrients are involved in the adsorption of metals and radionuclides onto sludge biomass. Overall, eight of the nine studied sludge samples are safe for agricultural use since the concentrations of trace metals fall well below the limits set by Croatian legislation (NN 38/08). In addition, the levels of radionuclides do not pose a radiological risk. This means that soil conditioning with sewage sludge remains a viable strategy for nutrient recovery from municipal waste, although long- term impact assessments of repeated applications are necessary.

sewage sludge use ; recycling trace metals ; radionuclides ; nutrient recovery ; soil amendment

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Podaci o izdanju

94

2019.

27-38

objavljeno

0956-053X

10.1016/j.wasman.2019.05.032

Povezanost rada

Biotehnologija, Interdisciplinarne biotehničke znanosti

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