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Anaerobic digestion of wastes containing pyrolignitic acids

Andreoni, V. / Bonfanti, P. / Daffonchio, D. / Sorlini, C. / Villa, M.

AbstractSmall quantities of residues from wood pyrolysis (pyrolignitic acids) added to swine slurry were digested in two laboratory anaerobic, fixed-bed, upflow digesters, filled with wood-chips or PVC as support media. The two digesters showed about the same efficiency when treating swine slurry containing pyrolignitic acids up to 6·5% (v/v). With a 10% (v/v) concentration, COD removal efficiency, specific biogas production, pH of the effluent, utilized as process-efficiency parameters, decreased remarkably for both plants. However, the digester with wood-chips showed a stronger resistance to the presence of pyrolignitic acids.

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Anaerobic digestion of wastes containing pyrolignitic acids

Andreoni, V. / Bonfanti, P. / Daffonchio, D. / Sorlini, C. / Villa, M.

AbstractSmall quantities of residues from wood pyrolysis (pyrolignitic acids) added to swine slurry were digested in two laboratory anaerobic, fixed-bed, upflow digesters, filled with wood-chips or PVC as support media. The two digesters showed about the same efficiency when treating swine slurry containing pyrolignitic acids up to 6·5% (v/v). With a 10% (v/v) concentration, COD removal efficiency, specific biogas production, pH of the effluent, utilized as process-efficiency parameters, decreased remarkably for both plants. However, the digester with wood-chips showed a stronger resistance to the presence of pyrolignitic acids.

Anaerobic digestion of wastes containing pyrolignitic acids

Andreoni, V. / Bonfanti, P. / Daffonchio, D. / Sorlini, C. / Villa, M.

AbstractSmall quantities of residues from wood pyrolysis (pyrolignitic acids) added to swine slurry were digested in two laboratory anaerobic, fixed-bed, upflow digesters, filled with wood-chips or PVC as support media. The two digesters showed about the same efficiency when treating swine slurry containing pyrolignitic acids up to 6·5% (v/v). With a 10% (v/v) concentration, COD removal efficiency, specific biogas production, pH of the effluent, utilized as process-efficiency parameters, decreased remarkably for both plants. However, the digester with wood-chips showed a stronger resistance to the presence of pyrolignitic acids.

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Title:

Anaerobic digestion of wastes containing pyrolignitic acids

Contributors:

Andreoni, V. (author) / Bonfanti, P. (author) / Daffonchio, D. (author) / Sorlini, C. (author) / Villa, M. (author)

Published in:

Biological Wastes ; 34 ; 203-214

Publication date:

1990-06-06

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1016/0269-7483(90)90022-K

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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