Management of food waste containing animal protein in the process of liming and aerobic composting

• Autorzy: Głowacka Anna , Bering Sławomira , Tarnowski Krzysztof , Mazur Jacek , Bogusławski Bartosz

Identyfikatory

DOI

10.36119/15.2024.12.8

Warianty tytułu

PL

Zagospodarowanie odpadów spożywczych zawierających białko zwierzęce w procesie wapnowania i kompostowania tlenowego

• Języki publikacji: EN

Abstrakty

EN

Food waste containing animal protein (FW-AP) processing was carried out it two stages: hygienization in the liming process and aerobic composting in real conditions. Pilot compost prisms consisted of 1-1,2 tons of wastes mix contained: (i) sewage sludge, dried to 14,5% of dry weight, (ii) food waste containing animal protein (FW-AP), fragmented to size 12mm, hygienized with calcium oxide CaO; dry matter content, after liming, was equal to 18%; (iii) bulking agents: straw and biowaste such as leaves, grass, waste paper, 66-75% dry weight; (iv) inoculate, 40% of dry weight. In the heaps, the content of limed FW-AP was 20%, 30% and 40%. After about 2 months of composting, the finished compost was obtained. The final product was characterized by the following parameters: moisture 40-52%, pH 7,0-7,4, organic matter 59,4-62,3%, Total Kjeldahl Nitrogen 26,6-69,5 g N/kg dry matter by weight., Total phosphorus 17,6-63,0 g P/kg d. m. Presented method is a simple and effective way to convert waste into a product. The contribution of food waste containing animal protein in total compost prism mass on a level up to 40% allows for the rapid processing of large amounts of waste. Final composts meet the requirements given for soil improvers or mineral - organic fertilizers.

PL

Przetwarzanie odpadów spożywczych zawierających białko zwierzęce (food waste containing animal protein FW-AP) odbywało się w warunkach rzeczywistych w dwóch etapach: higienizacji w procesie wapnowania oraz kompostowaniu tlenowym. Pryzma pilotażowa składała się z 1-1,2 tony mieszanki odpadów zawierającej: (i) osad ściekowy wysuszony do 14,5% suchej masy, (ii) odpady spożywcze zawierające białko zwierzęce (FW-AP), rozdrobnione do wielkości 12mm, higienizowane tlenkiem wapnia CaO; zawartość suchej masy po wapnowaniu wynosiła 18%; (iii) materiał strukturotwórczy: słomę i bioodpady takie jak liście, trawę, makulaturę, 66-75% suchej masy; (iv) zaszczep, 40% suchej masy. W pryzmach zawartość wapnowanych odpadów FW-AP wynosiła 20%, 30% i 40%. Po około 2 miesiącach kompostowania uzyskano gotowy kompost. Produkt końcowy charakteryzował się następującymi parametrami: wilgotność 40-52%, pH 7,0-7,4, materia organiczna 59,4-62,3%, całkowity azot Kjeldahla 26,6-69,5 g N/kg suchej masy, Fosfor całkowity 17,6-63,0 g P/kg s. m. Prezentowana metoda jest prostym i skutecznym sposobem przekształcenia odpadów w produkt. Udział odpadów spożywczych zawierających białko zwierzęce w całkowitej masie kompostu na poziomie do 40% pozwala na szybkie przetworzenie dużych ilości odpadów. Komposty końcowe spełniają wymagania stawiane polepszaczom gleby lub nawozom mineralno-organicznym.

Słowa kluczowe

EN

food waste; food waste containing animal protein; composting of limed food waste; mineral-organic fertilizers

PL

odpady spożywcze; odpady spożywcze zawierające białko zwierzęce; kompostowanie wapnowanych odpadów; nawozy mineralno-organiczne

• Wydawca: Ośrodek Informacji "Technika instalacyjna w budownictwie''
• Czasopismo: Instal
• Rocznik: 2024
• Tom: nr 12
• Strony: 43--47
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Głowacka Anna

• Faculty of Civil and Environmental Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland

• https://orcid.org/0000-0002-4733-5970

autor

Bering Sławomira

• Faculty of Civil and Environmental Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland

• https://orcid.org/0000-0002-0172-2473

autor

Tarnowski Krzysztof

• Faculty of Civil and Environmental Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland

• https://orcid.org/0000-0003-2743-5701

autor

Mazur Jacek

• Faculty of Civil and Environmental Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland

• https://orcid.org/0000-0002-3454-014X

autor

Bogusławski Bartosz

• Faculty of Civil and Environmental Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland

• https://orcid.org/0000-0001-9220-5641

Bibliografia

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