Water Supply

Volume 2 Number 2

2nd World Water Congress: Drinking Water Treatment (Selected Proceedings of the 2nd World Water Congress of the International Water Association, held in Berlin, Germany, 15-19 October, 2001)

Contents

1–10

New approaches for structural characterization of organic matter in drinking water and wastewater effluents

J.E. Drewes and J.-P. Croue

11–18

A systems analysis comparing drinking water systems - central physical-chemical treatment and local membrane filtration

T. Westrell, O. Bergstedt, G. Heinicke and E. Kärrman

19–26

Pharmaceuticals degradation by UV and UV/H2O2 treatments

A. Bozzi, A. Lopez, G. Mascolo and G. Tiravanti

27–34

The removal of Cu (II), Cd (II), Ni (II) and Pb (II) from dilute aqueous solution by a poly(acrylic acid) flocculant and its cross-linked analogue

C. Morlay, Y. Mouginot, M. Cromer and O. Vittori

35–42

A hybrid biofilm reactor for nitrate and pesticide removal

Y. Sakakibara, Z. Feleke and T. Katahira

43–49

Drinking water quality assessment practices: an international perspective

M.C. Steynberg

51–58

Sequential anaerobic/aerobic biodegradation of chlorinated hydrocarbons in activated carbon barriers

A. Tiehm, M. Gozan, A. Müller, H. Schell, H. Lorbeer and P. Werner

59–67

In the (adsorption) competition between NOM and MIB, who is the winner, and why?

G. Newcombe, J. Morrison, C. Hepplewhite and D.R.U. Knappe

69–76

Flow structures in a dissolved air flotation pilot tank and the influence on the separation of MBBR floc

M. Lundh, L. Jönsson and J. Dahlquist

77–83

Development of a new method of measuring bubble size

M.Y. Han, Y.H. Park and T.J. Yu

85–90

Fate and removal of Cryptosporidium in a dissolved air flotation water plant with and without recycle of waste filter backwash water

J.K. Edzwald and J.E. Tobiason

91–98

Investigations on the filtration of natural aquatic suspensions supported by dosing small amounts of Fe(III)-salts (_Fe ≤ 0.1 mg.L-1): mode of action and basic design criteria

R. Winzenbacher, R. Schick, H.-H. Stabel and M. Jekel

99–106

Structure of Al-humic flocs and their removal at slightly acidic and neutral pH

X.C. Wang, P.K. Jin and J. Gregory

107–113

A pilot plant study of polysilicato-iron coagulant

J. Wang, P. Deevanhxay, T. Hasegawa, Y. Ehara, M. Kurokawa, K. Hashimoto, W. Nishijima and M. Okada

115–122

Characterization and destabilization of spent filter backwash water particles

A. Adin, L. Dean, F. Bonner, A. Nasser and Z. Huberman

123–129

System development and testing of wind-powered reverse osmosis desalination for remote Pacific islands

C.C.K. Liu, R. Migita and J.-W. Park

131–137

Optimisation of coagulation and chlorination in drinking water treatment: laboratory and full-scale studies

N.D. Basson and C.F. Schutte

139–144

Addressing the sustainability of small-user rural water treatment systems in South Africa

G.S. Mackintosh, P.F. de Souza and E. Delport

145–150

Using percentile analysis for determination of alarm values

R.C. Lake, P.A. Agutter and T. Burke

151–160

Determination of mass transport characteristics for natural organic matter (NOM) in ultrafiltration (UF) and nanofiltration (NF) membranes

S. Lee, Y. Shim, In S. Kim, J. Sohn, S.K. Yim and J. Cho

161–167

Removal of nitrate from water in a novel ion exchange membrane bioreactor

S. Velizarov, J.G. Crespo and M.A. Reis

169–176

Ammonia oxidation at low temperature in a high concentration powdered activated carbon membrane bioreactor

G. Seo, S. Takizawa and S. Ohgaki

177–183

Performance and membrane foulant in the pilot operation of a novel biofilm-membrane reactor

K. Kimura and Y. Watanabe

185–192

Pilot plant study on the performance and optimization of submerged membranes for taste and odor removal

L. Schideman, V.L. Snoeyink, B.J. Mariñas and M. Kosterman

193–199

Biofilter pretreatment for the control of microfiltration membrane fouling

J. Park, S. Takizawa, H. Katayama and S. Ohgaki

201–206

The effect of various operating conditions and water quality parameters on the removal of perchlorate in a biologically active carbon filter

J.C. Brown, V.L. Snoeyink, L.M. Raskin, J.C. Chee-Sanford and R. Lin

207–212

Denaturing gradient gel electrophoresis analysis of a methyl tert-butyl ether degrading culture applied in a membrane bioreactor

A. Pruden, M. Suidan, J. Morrison and A. Venosa

213–221

Improved ultraviolet spectrophotometric method for determination of nitrate in natural waters

N. Kishimoto, I. Somiya and R. Taniyama

223–228

Influence of gasoline hydrocarbons on methyl tert-butyl ether biotreatment in fluidized bed bioreactors

W.T. Stringfellow and K.-C. Oh

229–236

Fenton process for the combined removal of iron and organic micropollutants in groundwater treatment

G.F. Ijpelaar, M. Groenendijk, J.C. Kruithof and J.C. Schippers

237–245

Arsenic removal by iron hydroxides, produced by enhanced corrosion of iron

K. Karschunke and M. Jekel

247–257

Characterisation of coated sand from iron removal plants

S.K. Sharma, B. Petrusevski and J.C. Schippers

259–265

Perchlorate as a secondary substrate in a denitrifying, hollow-fiber membrane biofilm reactor

R. Nerenberg and B.E. Rittmann

267–274

Concept for an integrated evaluation of arsenic removal technologies: demonstrated in a case study

A. Ruhland and M. Jekel

275–280

Arsenic removal - experience with the GEH® process in Germany

W. Driehaus

281–288

A low cost technique of arsenic removal from drinking water by coagulation using ferric chloride salt and alum

M.M.T. Khan, K. Yamamoto and M.F. Ahmed

289–296

Large scale pilot plant for treating flocculated reservoir water and membrane integrity monitoring

G. Hagmeyer, R. Gimbel and W. Dautzenberg

297–304

Hydraulic distribution of water and air over a membrane module using AirFlush®

J.Q.J.C. Verberk, P.E. Hoogeveen, H. Futselaar and J.C. van Dijk

305–311

Effects of particle size distribution on the cake formation in crossflow microfiltration

S. Kim, S.-H. Cho and H. Park