Anaerobic treatment of municipal landfill leachate using an anaerobic hybrid digester

Britz, T. J.; Venter, Christiaan; Tracey, R.P.

doi:10.1016/0269-7483(90)90047-v

Cited by 10 publications

(1 citation statement)

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“…Various physicochemical and biological techniques have been used in leachate treatment, such as ammonium stripping (Calli et al, 2005;Cheung et al, 1997), activated carbon adsorption (Fettig et al, 1996;Imai et al, 1995;Kurniawan et al, 2005a), ozonation (Kurniawan et al, 2005b) and membrane filtration (Kurniawan et al 2006;Peters, 1998). Among these, ammonia stripping and biological processes which involved nitrifiers and denitrifiers are most commonly used (Britz et al, 1990;Ho et al, 1974;Robinson and Maris, 1985;Wong et al, 1990). In the main-stream processes, nitrification converts NH 4 + -N to NO 2 À and NO 3 À under oxic conditions, and denitrification converts NO 3 À to N 2 O and N 2 under anoxic conditions.…”

Section: Introductionmentioning

confidence: 99%

Anthropogenic N2O production from landfill leachate treatment

Lin

Lan

Huang

et al. 2008

Journal of Environmental Management

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Section: Introductionmentioning

confidence: 99%

Anthropogenic N2O production from landfill leachate treatment

Lin

Lan

Huang

et al. 2008

Journal of Environmental Management

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Membrane bioreactors vs conventional biological treatment of landfill leachate: a brief review

Alvarez-Vazquez

Jefferson

Judd

2004

J of Chemical Tech & Biotech

184

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A review of quality and biological treatment of landfill leachate is presented. Conventional ex-situ treatment normally demands multistage process treatment schemes, which may encompass both aerobic and anaerobic technologies alongside chemical precipitation and/or oxidation. This is to be contrasted with the more recent membrane bioreactor technology, which generally demands much reduced preand post-treatment and has a much reduced footprint compared with conventional biotreatment. Results are summarised in terms of the key determinant of COD removal for waters characterised in terms of BOD/COD ratio and age. Process operation is characterised with respect to COD strength and loading rate, hydraulic retention time and number of individual unit operations.

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Propionibacterium species diversity in anaerobic digesters

Riedel

Britz

1993

Biodivers Conserv

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Phenotypic characteristics of 60 strains of Propionibacterium isolated from anaerobic hybrid digesters treating landfill leachate and a baker's yeast factory effluent were analysed using numerical taxonomy. With the use of the SsM similarity coefficient, 92% of the anaerobic digester strains were grouped in eight major clusters. The isolates were identified by relating them to specific type strains and comparison of phenotypic characteristics. These clusters were equated with the 'classical' species P. acidipropionici, P. freudenreichii, P. jensenii and P. thoenii using the current classification system. Some of the digester isolates were identified to specifies level using the current identification system, but based on overall similarity they were clustered among members of another species. Furthermore, the data indicated that there was low similarity between the digester isolates and the type strains of P. jensenii and P. thoeni. A hypothesis is presented as to the role of these propionic acid-producing bacteria during the granulation process found in anaerobic digesters.

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Anaerobic treatment of municipal landfill leachate using an anaerobic hybrid digester

Cited by 10 publications

References 10 publications

Anthropogenic N2O production from landfill leachate treatment

Anthropogenic N2O production from landfill leachate treatment

Membrane bioreactors vs conventional biological treatment of landfill leachate: a brief review

Propionibacterium species diversity in anaerobic digesters

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