Water Science & Technology

Volume 52 Number 7

Contents

1–6

Investigation of biofilm structure, flow patterns and detachment with magnetic resonance imaging

B. Manz, F. Volke, D. Goll and H. Horn

7–12

NMR methods for in-situ biofilm metabolism studies: spatial and temporal resolved measurements

P.D. Majors, J.S. McLean, J.K. Fredrickson and R.A. Wind

13–19

Formation and structure of granulated microbial aggregates used in aerobic wastewater treatment

V. Ivanov, S.T.-L. Tay, Q.-S. Liu, X.-H. Wang, Z.-W. Wang and J.-H. Tay

21–25

Physicochemical parameters influencing the formation of biofilms compared in mutant and wild-type cells of Pseudomonas chlororaphis O6

A.J. Anderson, D.W. Britt, J. Johnson, G. Narasimhan and A. Rodriguez

27–34

Competitive metabolism of polycyclic aromatic hydrocarbon (PAH) mixtures in porous media biofilms

S.J. Rodríguez and P.L. Bishop

35–40

Push-pull test evaluation of the in situ aerobic cometabolism of chlorinated ethenes by toluene-utilizing microorganisms

M.F. Azizian, J.D. Istok and L. Semprini

41–47

Cadmium transfer and distribution in a multi-species biofilm and the impact on naphthalene removal

P. Jin and P.L. Bishop

49–55

Uranium removal by sulfate reducing biofilms in the presence of carbonates

E. Marsili, H. Beyenal, L.Di Palma, C. Merli, A. Dohnalkova, J.E. Amonette and Z. Lewandowski

57–62

Biodegradability and biodegradation kinetics of creosote compounds in a biofilm in a fractured clay flow model

E. Arvin, K. Broholm, A. Gundog and R.M.V. Nielsen

63–68

Effect of exopolysaccharides on the adsorption of metal ions by Pseudomonas sp. CU-1

T.C. Lau, X.A. Wu, H. Chua, P.Y. Qian and P.K. Wong

69–75

High biofilm activity under increased oxygen concentrations in a pressurised biofilm system

K.F. Janning, S.N. Bak, M. Andersen and G.H. Kristensen

77–84

Biofilm physical structure, internal diffusivity and tortuosity

L.F. Melo

85–90

Visualization and characterization of dynamic patterns of flow, growth and activity of biofilms growing in porous media

R.R. Sharp, P. Stoodley, M. Adgie, R. Gerlach and A. Cunningham

91–95

Effect of hydrodynamic conditions on biofilm oxygen consumption rate in a fixed-bed nitrifying reactor

M. Carrión, J. Alba and F. Thalasso

97–105

Experimental and numerical results of a single submerged attached growth bioreactor for simultaneous oxidation of organics and nitrogen removal

P.B. Pedros, J.Y. Wang, W.K. Dobie and H. Metghalchi

107–113

Biofilm reactor technology for low temperature anaerobic waste treatment: microbiology and process characteristics

S. McHugh, G. Collins, T. Mahony and V. O'Flaherty

115–120

Total nitrogen removal in an aerobic/anoxic membrane biofilm reactor system

J. Cowman, C.I. Torres and B.E. Rittmann

121–126

Acetate and ammonium diffusivity in membrane-aerated biofilms: improving model predictions using experimental results

J.W. Shanahan, A.C. Cole, M.J. Semmens and T.M. LaPara

127–133

Start-up of moving bed biofilm reactors for deammonification: the role of hydraulic retention time, alkalinity and oxygen supply

T. Gaul, S. Märker and S. Kunst

135–141

Evaluating heterotrophic growth in a nitrifying biofilm reactor using fluorescence in situ hybridization and mathematical modeling

R. Nogueira, D. Elenter, A. Brito, L.F. Melo, M. Wagner and E. Morgenroth

143–148

A 3D model of antimicrobial action on biofilms

S.M. Hunt, M.A. Hamilton and P.S. Stewart

149–154

Quantification of detachment forces on rigid biofilm colonies in a roto-torque reactor using computational fluid dynamics tools

R. Sudarsan, K. Milferstedt, E. Morgenroth and H.J. Eberl

155–160

Model-based evaluation of oxygen consumption in a partial nitrification–Anammox biofilm process

X.-D. Hao, X.-Q. Cao, C. Picioreanu and M.C.M.van Loosdrecht

161–166

Finite element modeling to expand the UMCCA model to describe biofilm mechanical behavior

C.S. Laspidou, B.E. Rittmann and S.A. Karamanos

167–172

A mesoscale model for hydrodynamics in biofilms that takes microscopic flow effects into account

V.Th. Nguyen, E. Morgenroth and H.J. Eberl

173–180

Comparison of spatial organization in top-down- and membrane-aerated biofilms: a numerical study

A. Bell, Y. Aoi, A. Terada, S. Tsuneda and A. Hirata

181–186

Simulation of turbulence and dissolved oxygen concentration profiles over biofilm using k–ɛ turbulence model

H. Nagaoka and K. Sanda

187–194

Microautoradiography: recent advances within the studies of the ecophysiology of bacteria in biofilms

P.H. Nielsen and J.L. Nielsen

195–202

Effect of nucleic acid stain Syto9 on nascent biofilm architecture of Acinetobacter sp. BD413

R. GrayMerod, L. Hendrickx, L.N. Mueller, J.B. Xavier and S. Wuertz

203–209

Growth and structure of phototrophic biofilms under controlled light conditions

B. Zippel and T.R. Neu

211–216

The use of the Rotoscope as an online, real-time, non-destructive biofilm monitor

T.E. Cloete and M.R. Maluleke

217–223

Effects of shear stress on the secretion of extracellular polymeric substances in biofilms

P. Ramasamy and X. Zhang

225–232

Eco-physiology of autotrophic nitrifying biofilms

S. Okabe, T. Kindaichi, Y. Nakamura and T. Ito

233–239

Distribution, dynamics and in situ ecophysiology of Crenarchaeota in anaerobic wastewater treatment granular biofilms

G. Collins, T. Mahony, S. McHugh, A. Gieseke, D.de Beer and V. O'Flaherty