Selection of bulking agents for composting of sewage sludge

• Autorzy: Malińska K. , Zabochnicka-Świątek M.
• Języki publikacji: EN

Abstrakty

EN

The scope of this work covered: laboratory determination of bulk density, air-filled porosity, mechanical strength, water holding capacity of bulking agents, i.e. straw, woodchips and sawdust, and composting mixtures of sewage sludge and selected bulking agents at the ratios of 1:0.3; 1:0.6; 1:1 (d.b.), as well as simulation of bulk density and air-filled porosity in function of composting pile depth for the composting mixtures. Simulation of changes in bulk density and air-filled porosity was performed for a 2 m high composting pile. The results showed that mixing sewage sludge with woodchips in the ratio of 1:1 (d.b.) allows optimal moisture content, C/N ratio and air-filled porosity across the composting pile.

Słowa kluczowe

EN

sewage sludge; bulking agents; composting

PL

osady ściekowe; substancje wypełniające; kompostowanie

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2013
• Tom: Vol. 39, nr 2
• Strony: 91--103
• Opis fizyczny: Bibliogr. 25 poz., tab., rys.

Twórcy

autor

Malińska K.

• Institute of Environmental Engineering, Faculty of Environmental Engineering and Biotechnology, Czestochowa University of Technology, Brzeźnicka 60A, 42-200 Częstochowa, Poland

autor

Zabochnicka-Świątek M.

• Institute of Environmental Engineering, Faculty of Environmental Engineering and Biotechnology, Czestochowa University of Technology, Brzeźnicka 60A, 42-200 Częstochowa, Poland

Bibliografia

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