Supplementation of wastewater process modelling tools to enable the kinetic analysis of sewage sludge composting

• Autorzy: Kovacs R , Mihaltz P. , Csikor Z.
• Języki publikacji: EN

Abstrakty

EN

This study demonstrates mathematical description of sewage sludge composting based on identifica­tion and separate characterisation of simple process parts. For a description of the microbial processes an ASM3-based mathematical model developed for autothermal thermophilic aerobic sludge digestion is used. The oxygen mass transfer was characterized in a separate way. The 2.964T0-3 m2-d-1 value of the oxygen diffusion coefficient in the sludge at 55°C indicates the strong oxygen limitation of the microbial degrada­tion. The model extended with the oxygen mass transfer description has been validated using results from composting experiments performed with different specific sludge-air surface areas and with the renewal of the sludge surface.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2007
• Tom: 16
• Numer: 6
• Opis fizyczny: p.831-839,fig.,ref

Twórcy

autor

Kovacs R

• Budapest University of Technology and Economics, Muegyetem rkp.3.Budapest, H-1111, Hungary

autor

Mihaltz P.

autor

Csikor Z.

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