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Carbon monoxide conversion by anaerobic bioreactor sludges \ FEMS microbiology ecology / Federation of European Microbiological Societies [Artikel]
Sipma, J. \ Lens, P.N.L. \ Stams, A.J.M. \ Lettinga, G. \ 2003
Seven different anaerobic sludges from wastewater treatment reactors were screened for their ability to convert carbon monoxide (CO) at 30 and 55degreesC
Conversion of methanogenic substrates in anaerobic reactors : metals, mass transport, and toxicity [Proefschrift]
Gonzalez-Gil, G. \ 2000
Anaerobic granular sludge : characterization, and factors affecting its functioning [Proefschrift]
Alphenaar, P.A. \ 1994
High-rate anaerobic treatment of wastewater at low temperatures \ Applied and environmental microbiology / publ. by the American Society for Microbiology [Artikel]
Lettinga, G. \ Rebac, S. \ Parshina, S. \ 1999
The effect of operational conditions on the hydrodynamic characteristics of the sludge bed in UASB reactors \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Leitao, R.C. \ Santaellla, S.T. \ Haandel, A.C. van \ Zeeman, G. \ Lettinga, G. \ 2012
This work aims to evaluate the hydrodynamic properties of the sludge bed of Upflow Anaerobic Sludge Blanket (UASB) reactors based on its settleability and expansion characteristics. The methodologies used for the evaluation of the settleability of ae ...
Activated carbon as an electron acceptor and redox mediator during the anaerobic biotransformation of azo dyes \ Environmental science & technology / American Chemical Society [Artikel]
Zee, F.P. van der \ Bisschops, I.A.E. \ Lettinga, G. \ Field, J.A. \ 2003
The role of AC as redox mediator in accelerating the reductive transformation of pollutants as well as a terminal electron acceptor in the biological oxidation of an organic substrate is described. This study explores the use of AC as an immobilized ...
Anaerobic biodegradation of estrogens: hard to digest \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Mes, T.Z.D. de \ Kujawa-Roeleveld, K. \ Zeeman, G. \ Lettinga, G. \ 2008
Although many publications are available on the fate of estrone (E1), 17b-estradiol (E2) and 17a-ethynylestradiol (EE2) during aerobic wastewater treatment, little is published on their fate under strictly anaerobic conditions. Present research inves ...
High-rate sulfate reduction at high salinity (up to 90 mS/cm) in mesophilic UASB reactors \ Biotechnology and bioengineering [Artikel]
Vallero, M.V.G. \ Sipma, J. \ Lettinga, G. \ Lens, P.N.L. \ 2004
Sulfate reduction in salt-rich wastewaters using unadapted granular sludge was investigated in 0.9 L UASB reactors (pH 7.0 ± 0.2; hydraulic retention time from 8-14 h) fed with acetate, propionate, or ethanol at organic loading rates up to 10 gCOD/l. ...
Effect of NaCl on thermophilic (55 degrees C) methanol degradation in sulfate reducing granular sludge reactors \ Water research : the journal of the International Association on Water Quality [Artikel]
Vallero, M.V.G. \ Pol, L.W.H. \ Lettinga, G. \ Lens, P.N.L. \ 2003
The effect of NaCl on thermophilic (55degreesC) methanol conversion in the presence of excess of sulfate (COD/SO42-=0.5) was investigated in two 6.5L lab-scale upflow anaerobic sludge bed reactors inoculated with granular sludge previously not adapte ...
Sulfate-reducing bacteria in anaerobic bioreactors [Proefschrift]
Oude Elferink, S.J.W.H. \ 1998
Thermofiele anaerobe afvalzuivering & gisting : eindrapport vooronderzoek : onderzoeksperiode september 1988 - december 1989 [Boek]
Lier, J.B. van \ Lettinga, G. \ 1989
Effect of high salinity on the fate of methanol during the start-up of thermophilic (55 degrees C) sulfate reducing reactors \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Vallero, M.V.G. \ Pol, L.W.H. \ Lens, P.N.L. \ Lettinga, G. \ 2002
Two 6.5 L lab-scale upflow anaerobic sludge bed (UASB) reactors were operated at 55degreesC fed with methanol as the sole electron and carbon source and in excess of sulfate in order to investigate the effect of high wastewater salinity on the start- ...
Assessment of compatible solutes to overcome salinity stress in thermophilic (55 degrees C) methanol-fed sulfate reducing granular sludges \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Vallero, M.V.G. \ Lettinga, G. \ Lens, P.N.L. \ 2003
High NaCl concentrations (25 g.L-1) considerably decreased the methanol depletion rates for sludges harvested from two lab-scale sulfate reducing UASB reactors. In addition, 25 gNaCl.L-1 strongly affected the fate of methanol degradation, with clear ...
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