Chemical stability and sanitary properties of pelletized organo-mineral waste-derived fertilizer

• Autorzy: Kasprzycka A. , Lalak-Kańczugowska J. , Tys J. , Chmielewska M. , Pawłowska M.

Identyfikatory

DOI

10.24425/122284

Warianty tytułu

PL

Stabilność chemiczna i właściwości sanitarne peletyzowanego nawozu organiczno-mineralnego wytworzonego z odpadów

• Języki publikacji: EN

Abstrakty

EN

Different types of organic waste can be used as fertilizers or soil improvers, but such materials are susceptible to chemical and biochemical decomposition, and their storage can entail a deterioration in their quality. Evaluation of the infl uence of water content and ambient temperature on the chemical and microbiological properties of pelletized organo-mineral fertilizer produced on the basis of digestate from biogas plant and ashes from biomass combustion was the aim of the study. The results of the short (one month’s storage in the – laboratory silo) and long-term (one year’s storage in – unheated compartment) studies showed that the quality of the fertilizer depends on the temperature, fertilizer humidity, and air accessibility. The growth in the temperature from 20 to 30°C decreased the content of total and ammonium nitrogen, while the increase in water content stimulated the development of the fungi in fertilizer stored at 20 and 30°C. The access of the ambient air resulted in the increase of moisture and volatile solids content in the fertilizer. It was stated that fertilizer should be stored without access to the atmospheric air, at the temperature below 20°C to ensure their long-term chemical stability and microbial safety.

PL

Celem pracy jest ocena wpływu wilgotności, temperatury i dostępu powietrza na właściwości chemiczne i mikrobiologiczne granulowanego nawozu wytworzonego na bazie pofermentu z biogazowni i popiołów ze spalania biomasy. Wyniki badań krótkoterminowych i długoterminowych wykazały, że jakość nawozu zależy od temperatury, wilgotności nawozu i dostępności powietrza. Wzrost temperatury od 20 do 30°C znacząco obniżył zawartość azotu, a wzrost wilgotności stymulował rozwój grzybów. Dostęp powietrza powodował wzrost wilgotności i zawartości substancji organicznej w nawozie. Stwierdzono, że w celu zapewnienia długoterminowej stabilności chemicznej i bezpieczeństwa mikrobiologicznego nawóz należy przechowywać bez dostępu powietrza, w temperaturze poniżej 20°C.

Słowa kluczowe

EN

filamentous fungi; digestate; ashes from biomass combustion; fertilizer pellets

PL

grzyby nitkowate; poferment; popioły ze spalania biomasy; granulki nawozu

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2018
• Tom: Vol. 44, no. 3
• Strony: 106--113
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Kasprzycka A.

• The Bohdan Dobrzański Institute of Agrophysics, Polish Academy of Sciences, Poland

autor

Lalak-Kańczugowska J.

• The Bohdan Dobrzański Institute of Agrophysics, Polish Academy of Sciences, Poland

autor

Tys J.

• Department of Pathogen Genetics and Plant Resistance, Institute of Plant Genetics, Polish Academy of Sciences, Poland

autor

Chmielewska M.

• The Bohdan Dobrzański Institute of Agrophysics, Polish Academy of Sciences, Poland

autor

Pawłowska M.

• Faculty of Environmental Engineering, Lublin University of Technology, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).