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Issue
January - Volume 37, Issue 1, Pages 1 - 354
January - Volume 37, Issue 2, Pages 1 - 376
February - Volume 37, Issue 3, Pages 1 - 247
February - Volume 37, Issue 4-5, Pages 1 - 613
March - Volume 37, Issue 6-7, Pages 1 - 450
April - Volume 37, Issue 8, Pages 1 - 255
May - Volume 37, Issue 9, Pages 1 - 258
May - Volume 37, Issue 10, Pages 1 - 146
June - Volume 37, Issue 11, Pages 1 - 202
June - Volume 37, Issue 12, Pages 1 - 401
July - Volume 38, Issue 1, Pages 1 - 395
July - Volume 38, Issue 2, Pages 1 - 214
August - Volume 38, Issue 3, Pages 1 - 344
August - Volume 38, Issue 4-5, Pages 1 - 535
September - Volume 38, Issue 6, Pages 1 - 343
October - Volume 38, Issue 7, Pages 1 - 278
October - Volume 38, Issue 8-9, Pages 1 - 463
November - Volume 38, Issue 10, Pages 1 - 344
December - Volume 38, Issue 11, Pages 1 - 322
December - Volume 38, Issue 12, Pages 1 - 199
Volume 37, Issue 9
May 1998
ISSN 0273-1223
EISSN 1996-9732
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Research Articles
Upgrading our inherited urban water systems
P. Harremoës
Abstract
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A systematic approach to optimal upgrading of water and waste water treatment plants
Björn Rosén
;
Stig Morling
Abstract
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PDF
Upgrading for nitrogen removal, using a combination of SBR (sequencing batch reactor) technique and unloading of existing biological stage
Björn Rosén
;
Anders Ullman
;
Nils Ragnarsson
Abstract
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Lab and pilot scale tests as tools for upgrading - comparison with full scale results
Åsa Malmqvist
;
Lars Gunnarsson
;
Christer Torstenon
Abstract
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PDF
Use of on-line data to evaluate the activity in the biological stage at a wastewater treatment plant
B. Björlenius
;
L.-G. Reinius
Abstract
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Upgrading of wastewater treatment plants for nitrogen removal: industrial application of an automated aeration management based on ORP evolution analysis
P. Caulet
;
B. Bujon
;
J. P. Philippe
;
F. Lefevre
;
J. M. Audic
Abstract
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Wastewater flow management to maximise the capacity of sewage treatment plants
J. R. Müller
;
Kh. Krauth
Abstract
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Upgrading of Borås wastewater treatment plant based on intelligent process and operation control
Dines E. Thornberg
;
Marinus Nielsen
;
Jöran Eriksson
Abstract
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PDF
Establishing a network of on-line monitors at the purification works and in the distribution network of rand water
L. A. Du Preez
;
A. J. Husselmann
;
N. R. Acton
;
L. Lange
Abstract
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Dynamic simulation for upgrading of wastewater treatment plants—an assessment of treatment plant performance with regard to the EC-directive concerning urban wastewater treatment
A. Sintic
;
T. Rolfs
;
M. Freund
;
E. Dorgeloh
Abstract
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Development of an air removal system for dissolved air flotation
Torsten Hedberg
;
Jan Dahlquist
;
Dick Karlsson
;
Lars-Ove Sörman
Abstract
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PDF
The use of immersed membranes for upgrading wastewater treatment plants
H. Buisson
;
P. Cote
;
M. Praderie
;
H. Paillard
Abstract
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PDF
Application of biofilm kinetics to the sulfur/lime packed bed reactor for autotrophic denitrification of groundwater
Zhishi Wang
Abstract
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Up-flow roughing filtration: rehabilitation of a water treatment plant in Tarata, Bolivia
Ana María Ingallinella
;
Luis María Stecca
;
Martin Wegelin
Abstract
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PDF
Evaluating ozone dose for AOC removal in two-step GAC filters
R. Vahala
;
T. Ala-Peijari
;
J. Rintala
;
R. Laukkanen
Abstract
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Upgrading of waterworks with a new biooxidation process for removal of manganese and iron
T. Hedberg
;
T. A. Wahlberg
Abstract
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PDF
Interaction between the treatment plant and the sewer system in Halmstad: integrated upgrading based on real time control
C. Hernebring
;
L. Ohlsson
;
M. Andreasson
;
L.-G. Gustafsson
Abstract
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The sharon process: an innovative method for nitrogen removal from ammonium-rich waste water
C. Hellinga
;
A. A. J. C. Schellen
;
J. W. Mulder
;
M. C. M. van Loosdrecht
;
J. J. Heijnen
Abstract
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PDF
Upgrading of waste water treatment plants by cloth-filtration using an improved type of filter-cloth
U. Grabbe
;
C. F. Seyfried
;
K.-H. Rosenwinkel
Abstract
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PDF
Nitrogen removal in multi-stage wastewater treatment plants by using a modified post-denitrification system
Dieter Schreff
;
Peter A. Wilderer
Abstract
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PDF
Upgrading wastewater treatment plants by the use of biofilm carriers, oxygen addition and pre-treatment in the sewer network
Anette Æsøy
;
Hallvard Ødegaard
;
Marius Hægh
;
Frode Rislå
;
Greta Bentzen
Abstract
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PDF
Implementing biofilm carriers into activated sludge process-15 years of experience
N. Müller
Abstract
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PDF
Increasing the capacity of an extended nutrient removal plant by using different techniques
B. Andersson
;
H. Aspegren
;
U. Nyberg
;
J. la Cour Jansen
;
H. Ødegaard
Abstract
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Upgrading for nitrogen removal under severe site restrictions
P. Balmér
;
L. Ekfjorden
;
D. Lumley
;
A. Mattsson
Abstract
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PDF
Experiences of nitrogen and phosphorus removal in deep-bed filters at henriksdal sewage works in Stockholm
L. Jonsson
Abstract
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Experience with the upgrading of 14 treatment plants to N & P removal in the municipality of Aarhus
J. Sørensen
;
J. Andersen
;
K. Andreasen
;
K. Hald
Abstract
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Upgrading of waste water treatment processes for integrated nutrient removal-the BCFS® process
M. C. M. van Loosdrecht
;
F. A. Brandse
;
A. C. de Vries
Abstract
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PDF
Temperature effects on biological nutrient removal system with weak municipal wastewater
Choi Euiso
;
Rhu Daewhan
;
Yun Zuwhan
;
Lee Euisin
Abstract
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PDF
Intermittent addition of external carbon to enhance denitrification in activated sludge
S. Hasselblad
;
S. Hallin
Abstract
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Clinoptilolite and multipurpose filters for upgrading effluent ammonia quality under peak loads
B. Beler Baykal
Abstract
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PDF
Upgrading an anaerobic/aerobic wastewater treatment plant
U. Austermann-Haun
;
R. Lange
;
C.-F. Seyfried
;
K.-H. Rosenwinkel
Abstract
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PDF
Development of a new process for treatment of a pharmaceutical wastewater
M. Rosén
;
T. Welander
;
A. Löfqvist
;
J. Holmgren
Abstract
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