Preliminary assessment of the susceptibility of selected animal waste to stabilization in the Fenton process

• Autorzy: Janda Anna , Marcinkowski Tadeusz

Identyfikatory

DOI

10.37190/epe200401

• Języki publikacji: EN

Abstrakty

EN

The stabilization of post-slaughter soft animal waste with Fenton’s reagent has been studied. Crude waste was characterized by a high content of fat (581.8 g/kg d.m.) and proteins (264.5 g/kg d.m.), and the share of organic mass constituting 93.6% of d.m. The stabilization was investigated in two reaction variants using various dozes of oxidant (100–1000 cm³/kg/d.m.) and Fe²⁺:H₂O₂ molar ratios (1:10, 2:10 and 4:10), for a period of 1 day. During the stabilization, an increase in the solubility of FeSO₄·7H₂O in waste was observed, probably due to the binding of Fe²⁺ ions in ferroorganic ligands. The dynamics of the process and the efficiency of the decomposition of organic compounds increased with increased doses of reagents. The biggest loss of organic mass was recorded for the stabilization variant without initial acidification of the reaction environment. The studies confirm the possibility of disregarding the preacidification step of stabilized waste without adversely affecting the oxidation efficiency of organic compounds. A high degree of reduction in protein and fat concentrations with a low organic mass loss are evidence of incomplete oxidation of these compounds.

Słowa kluczowe

EN

Fenton process; animal waste; by-product

PL

proces Fentona; odpady zwierzęce; produkt uboczny

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2020
• Tom: Vol. 46, nr 4
• Strony: 5--20
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Janda Anna

• Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

autor

Marcinkowski Tadeusz

• Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).