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Start-up regimes for anaerobic fluidised systems treating diary wastewater

da Motta-Marques, David M.L. / Cayless, Sandra M. / Lester, John N.

AbstractFour anaerobic fluidised-beds were started-up on a dairy-type effluent of 5000 mg COD litre⁻¹ using different regimes: (a) two-phase; (b) Ca²⁺ addition; (c) polymer addition; and (d) control. Substrate removal efficiencies reached 76–92% at 9·4 kg COD⁻³ day⁻¹ in the two-phase, calcium- and biopolymer-amended reactors. The data suggest that removal efficiency and biomass concentration peaks were variable but mature biofilms, which were dependent on the protocol applied, were developed in the above-mentioned three reactors. Volatile fatty acids concentrations were reflected by intermediary/partial alkalinity variations.

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Start-up regimes for anaerobic fluidised systems treating diary wastewater

da Motta-Marques, David M.L. / Cayless, Sandra M. / Lester, John N.

AbstractFour anaerobic fluidised-beds were started-up on a dairy-type effluent of 5000 mg COD litre⁻¹ using different regimes: (a) two-phase; (b) Ca²⁺ addition; (c) polymer addition; and (d) control. Substrate removal efficiencies reached 76–92% at 9·4 kg COD⁻³ day⁻¹ in the two-phase, calcium- and biopolymer-amended reactors. The data suggest that removal efficiency and biomass concentration peaks were variable but mature biofilms, which were dependent on the protocol applied, were developed in the above-mentioned three reactors. Volatile fatty acids concentrations were reflected by intermediary/partial alkalinity variations.

Start-up regimes for anaerobic fluidised systems treating diary wastewater

da Motta-Marques, David M.L. / Cayless, Sandra M. / Lester, John N.

AbstractFour anaerobic fluidised-beds were started-up on a dairy-type effluent of 5000 mg COD litre⁻¹ using different regimes: (a) two-phase; (b) Ca²⁺ addition; (c) polymer addition; and (d) control. Substrate removal efficiencies reached 76–92% at 9·4 kg COD⁻³ day⁻¹ in the two-phase, calcium- and biopolymer-amended reactors. The data suggest that removal efficiency and biomass concentration peaks were variable but mature biofilms, which were dependent on the protocol applied, were developed in the above-mentioned three reactors. Volatile fatty acids concentrations were reflected by intermediary/partial alkalinity variations.

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Title:

Start-up regimes for anaerobic fluidised systems treating diary wastewater

Contributors:

da Motta-Marques, David M.L. (author) / Cayless, Sandra M. (author) / Lester, John N. (author)

Published in:

Biological Wastes ; 34 ; 191-202

Publication date:

1990-06-04

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1016/0269-7483(90)90021-J

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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