Tests on the effect of ultrasonic treatment on two different activated sludge waste

• Autorzy: Simonetti M. , Rossi G. , Cabbai V. , Goi D.

Identyfikatory

DOI

10.5277/epe140102

• Języki publikacji: EN

Abstrakty

EN

The effect of ultrasonic treatment on two different waste activated sludges (WASI and WAS2) was compared by batch tests. WASI was taken from an industrial WWTP that treats pulp and paper wastewater, WAS2 was obtained from a traditional municipal WWTP. Physical and chemical characterization of sludges and supernatants was performed at various specific energy inputs. Upon increasing specific energy input, sludge structure changed, particle size decreased and organic and nitrogen release increased. A different release of organic matter and nitrogen compound related to the sludge origin was observed. The study is a preliminary assay of the potential of sonication treatment to enhance biogas production in anaerobic digestion.

Słowa kluczowe

EN

anaerobic digestion; nitrogen compounds; wastewater treatment; biogas production; pulp and paper wastewater; ultrasonic treatment; waste activated sludges

PL

ultradźwięki; fermentacja beztlenowa; związki azotu; oczyszczanie ścieków; produkcja biogazu; ścieki celulozowo-papiernicze; obróbka ultradźwiękami; osady ściekowe

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2014
• Tom: Vol. 40, nr 1
• Strony: 23--34
• Opis fizyczny: Bibliogr. 20 poz., tab., rys.

Twórcy

autor

Simonetti M.

• Department of Chemistry, Physics and Environment, University of Udine, via del Cotonificio 108, 33100 Udine, Italy

autor

Rossi G.

• Department of Medical and Biological Science, University of Udine, p. le Kolbe, 33100 Udine, Italy

autor

Cabbai V.

• Department of Chemistry, Physics and Environment, University of Udine, via del Cotonificio 108, 33100 Udine, Italy

autor

Goi D.

• Department of Chemistry, Physics and Environment, University of Udine, via del Cotonificio 108, 33100 Udine, Italy

Bibliografia

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