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Water Science & Technology

Volume 54 Number 5

Sustainable Management of Residues from Water and Wastewater Treatment

Contents

European developments in standardisation of sludge physical parameters
L. Spinosa and K. Wichmann.......... 1–8
Development of the South African wastewater sludge guidelines
H.G. Snyman, A.M. van Niekerk, E. Herselman and J.W. Wilken.......... 9–16
Toward efficient sludge processing using novel rheological parameters: dynamic rheological testing
A. Ayol, S.K. Dentel and A. Filibeli.......... 17–22
Evaluation of conditioning responses of thermophilic-mesophilic anaerobically and mesophilic aerobically digested biosolids using rheological properties
A. Ayol, A. Filibeli and S.K. Dentel.......... 23–31
Enhanced sludge conditioning by enzyme pre-treatment: comparison of laboratory and pilot scale dewatering results
D. Dursun, M. Turkmen, M. Abu-Orf and S.K. Dentel.......... 33–41
Influence of anaerobic digestion on particle surface charge and optimal polymer dosage
C.M. Braguglia, G. Mininni and E. Rolle.......... 43–50
Biological sludge solubilisation for reduction of excess sludge production in wastewater treatment process
T. Yamaguchi, Y. Yao and Y. Kihara.......... 51–58
Organic matter release in low temperature thermal treatment of biological sludge for reduction of excess sludge production
E. Paul, P. Camacho, D. Lefebvre and P. Ginestet.......... 59–68
Reduction of excess sludge production using mechanical disintegration devices
G.W. Strünkmann, J.A. Müller, F. Albert and J. Schwedes.......... 69–76
Effect of feed/inoculum ratio on anaerobic digestion of sonicated sludge
C.M. Braguglia, G. Mininni, M.C. Tomei and E. Rolle.......... 77–84
The feasibility study of using non-woven MBR for reduction of hydrolysed biosolids
R.-Y. Horng, H. Shao, W.-K. Chang and M.-C. Chang.......... 85–90
The effects of hydraulic retention time and feed COD concentration on the rate of hydrolysis of primary sewage sludge under methanogenic conditions
N.E. Ristow, S.W. Sötemann, M.C. Wentzel, R.E. Loewenthal and G.A. Ekama.......... 91–100
Maximising biogas in anaerobic digestion by using engine waste heat for thermal hydrolysis pre-treatment of sludge
B. Pickworth, J. Adams, K. Panter and O.E. Solheim.......... 101–108
Integrated chemical, physical and biological processes modelling of anaerobic digestion of sewage sludge
S.W. Sötemann, P. van Rensburg, N.E. Ristow, M.C. Wentzel, R.E. Loewenthal and G.A. Ekama.......... 109–117
Extraction efficiency of phosphate from pre-coagulated sludge with NaHS
F. Kato, H. Kitakoji, K. Oshita, M. Takaoka, N. Takeda and T. Matsumoto.......... 119–129
Agricultural use of municipal wastewater sludges: phosphorus availability of biological excess phosphorus removal sludges
A. Erdincler and L.D. Seyhan.......... 131–138
Dedicated land disposal of wastewater sludge in South Africa: leaching of trace elements and nutrients
J.E. Herselman, C.E. Steyn and H.G. Snyman.......... 139–146
Heavy metal displacement in EDTA-assisted phytoremediation of biosolids soil
M.S. Liphadzi and M.B. Kirkham.......... 147–153
An investigation of agricultural use potential of wastewater sludges in Turkey – case of heavy metals
G. Özsoy, F.B. Dilek and F.D. Sanin.......... 155–161
The survival of pathogens in soil treated with wastewater sludge and in potatoes grown in such soil
J.R.B. Chale-Matsau and H.G. Snyman.......... 163–168
Using Ecosan sludge for crop production
B. Jimenez, A. Austin, E. Cloete and C. Phasha.......... 169–177
Disinfection of sludge with high pathogenic content using silver and other compounds
P. Aguilar, B. Jiménez, C. Maya, T. Orta de Velasquez and V. Luna.......... 179–187
Sludge production and management processes: case study in China
D.J. Lee, L. Spinosa, P.J. He and T.B. Chen.......... 189–196
Potentially toxic element release by Fenton oxidation of sewage sludge
J.P. Andrews, M. Asaadi, B. Clarke and S. Ouki.......... 197–205
Dewatered alum sludge: a potential adsorbent for phosphorus removal
Y. Yang, D. Tomlinson, S. Kennedy and Y.Q. Zhao.......... 207–213
The effects of water treatment residues on soil respiration and microbial community structure
S. Pecku, C.H. Hunter and J.C. Hughes.......... 215–225
The effects of a polyacrylamide-derived water treatment residue on the hydraulic conductivity, water retention and evaporation of four contrasting South African soils and implications for land disposal
M. Moodley and J.C. Hughes.......... 227–234
The REAL process – a process for recycling sludge from water works
K. Stendahl, C. Färm, I. Fritzdorf and H. Ulmert.......... 235–242