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Issue
January - Volume 22, Issue 1-2, Pages 1 - 493
March - Volume 22, Issue 3-4, Pages 1 - 353
May - Volume 22, Issue 5, Pages 1 - 289
June - Volume 22, Issue 6, Pages 1 - 110
July - Volume 22, Issue 7-8, Pages 1 - 324
September - Volume 22, Issue 9, Pages 1 - 284
October - Volume 22, Issue 10-11, Pages 1 - 300
December - Volume 22, Issue 12, Pages 1 - 346
Volume 22, Issue 7-8
July 1990
ISSN 0273-1223
EISSN 1996-9732
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Research Articles
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Research Articles
The Olifantsfontein Nutrient Removal Plant
J. A. van Huyssteen
;
J. L. Barnard
;
J. Hendriksz
Abstract
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PDF
An Innovative Technology for Upgrading Nutrient Removal Activated Sludge Plants
Jiří Wanner
;
Miroslav Kos
;
Petr Grau
Abstract
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PDF
Upgrading a Municipal Activated Sludge Plant for High-Rate Biological Nutrient Removal
Clifford W. Randall
;
David Waltrip
;
Milind V. Wable
Abstract
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PDF
Upgrading Wastewater Treatment Plants with Anaerobic Selectors
K. D. Tracy
;
S. N. Hong
Abstract
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PDF
Conversion of Existing Primary Clarifiers According to the EASC Process for Biological Phosphorus Removal
R. Schönberger
Abstract
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PDF
Upgrading Wastewater Treatment Plants for Biological Nutrient Removal
B. Rabinowitz
;
T. D. Vassos
;
R. N. Dawson
;
W. K. Oldham
Abstract
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PDF
Renovation of an Extended Aeration Plant for Simultaneous Biological Removal of Nitrogen and Phosphorus Using Oxic-Anaerobic-Oxic Process
Katsumi Moriyama
;
Kazuaki Sato
;
Yoshinobu Harada
;
Kazuo Washiyama
;
Koich Okamoto
Abstract
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PDF
Upgrading of Wastewater Treatment Plants for the Reduction of Nitrogen and Phosphorus in Schleswig-Holstein, FRG
C. F. Seyfried
;
E. Dammann
Abstract
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PDF
Upgrading of the Treatment Plants in Stockholm to Meet More Stringent Requirements
J. Hultgren
;
L.-G. Reinius
;
M. Tendaj
Abstract
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PDF
Pre-Precipitation Facilitates Nitrogen Removal without Tank Expansion
Ingemar Karlsson
;
Gunnar Smith
Abstract
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PDF
Upgrading for Biological Nitrogen Removal – Some Full-Scale Experiences from Sweden
Bengt Andersson
;
Björn Rosén
Abstract
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PDF
Upgrading a Large Municipal Sewage Treatment Plant by a Combination of Biological and Chemical Processes
H. H. Hahn
;
E. Hoffmann
;
A. Kleinschmidt
;
R. Klute
Abstract
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PDF
Examples for the Upgrading of Existing Activated Sludge Plants for Nutrient Removal
W. Maier
Abstract
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PDF
Steps in Planning the Expansion of the Large Sewage Treatment Plant at Buchenhofen, Operated by the Wupper Watershed Management Association
Jörg Londong
;
Stefan Zander
Abstract
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PDF
Rehabilitation and Upgrading of the Beni Suef City Wastewater Treatment Plant
Ahmed Fadel
Abstract
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PDF
Tertiary Waste Water Treatment with Flotation Filters
H. J. Kiuru
Abstract
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PDF
Ultraviolet Disinfection in Municipal Wastewater Treatment Plants
Jan Maarschalkerweerd
;
Rory Murphy
;
Gail Sakamoto
Abstract
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PDF
Upgrading Wastewater Treatment by Water Hyacinth in Developing Countries
Pradeep Kumar
;
R. J. Garde
Abstract
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PDF
Post-Denitrification with Controlled Feeding of Activated Sludge as H Donator
I. Sekoulov
;
R. Addicks
;
J. Oles
Abstract
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PDF
Development of a Two-Stage Treatment Plant for Extensive Nitrogen and Phosphorus Elimination
G. Bahre
;
W. Firk
;
M. Gassen
Abstract
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PDF
Aerated Biofilters for Nitrification and Effluent Polishing
Catherine Paffoni
;
Michel Gousailles
;
Frank Rogalla
;
Pierre Gilles
Abstract
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PDF
Upgrading of Small Municipal Wastewater Treatment Plants with Heavy Dairy Loading by Introduction of Aerated Submerged Biological Filters
Hallvard Ødegaard
;
Bjørn Rusten
Abstract
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PDF
Nitrification and Denitrification in Combined Activated Sludge Systems
D. Wartchow
Abstract
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PDF
Improvement of Existing Wastewater Treatment Plants' Efficiencies without Enlargement of Tankage by Application of the Linpor-Process – Case Studies
M. Morper
;
A. Wildmoser
Abstract
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PDF
Performance Increase of Papermill Waste Water Treatment Plants by a High-Capacity Trickling Filter Inserted as First Biological Stage
C. H. Möbius
;
I. Demel
;
R. Huster
Abstract
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PDF
Upgrading of a Combined Industrial and Municipal Wastewater Treatment Plant – The Fredericia Plant, Denmark
G. Petersen
Abstract
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PDF
Dosage Control for a Higher Efficiency of the Separation Process
Guenter Schrank
Abstract
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PDF
Upgrading Existing Activated Sludge Treatment Plants with Fine Pore Aeration Systems
Michael K. Stenstrom
Abstract
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PDF
Upgrading Oxygen Transfer in the Activated Sludge Process
M. Pelkonen
Abstract
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PDF
Optimizing Polymer Consumption in Sludge Dewatering Applications
P. M. Crawford
Abstract
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PDF
Biological Nitrogen Removal in a Complete Mixing Type Aerator with ORP Control
Hiroshi Nakanishi
;
Masayuki Fukagawa
;
Masami Takeuchi
;
Munetaka Ishikawa
;
Masao Ukita
...
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PDF
Investigations on Nitrogen Elimination in Sewage Treatment Plants including Separate Aeration of Return Sludge
Monika Horster
;
Karlheinz Jacobitz
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PDF
How to Increase Efficiency of Sewage Plants and Obey the Latest Regulations
Anton Huber
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PDF
Retrofitting Activated Sludge Plants to Improve the Removal of Nitrogen and Phosphorus by Biological Processes
Clifford W. Randall
;
Dipankar Sen
;
Thomas J. Grizzard
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PDF
Improved Phosphorus Elimination and Nitrogen Oxidation through Pre-Precipitation
Wolfgang Firk
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PDF
Comparative Study of Biological Phosphorus Removal by Activated Sludge in a Pilot Plant and in Laboratory Batch Experiments
M. Streichan
;
D. Junghans
;
G. Schön
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PDF
Effect of Easily Degradable Carbon Sources on Nitrogen Removal Efficiency
Elzbieta Plaza
;
Bengt Hultman
;
Josef Trela
View article
PDF
Operational Experience with Phosphorus and Nitrogen Removal at the Himmerfjärden Plant, Sweden
Elzbieta Plaza
;
Jan Bosander
;
Alf-Göran Dahlberg
;
Bengt Göran Hellström
View article
PDF
Performance of Laboratory-Scale Upflow Anaerobic Sludge Blanket (UASB) Reactors
Nasim A. Khan
;
Indu Mehrotra
View article
PDF
Performance Increase of Aerobic-Biological Waste Water Treatment Plants in Papermills by Anaerobic Pretreatment of High-Strength Partial Flows
R. Huster
;
C. H. Möbius
View article
PDF
Stabilization and Disinfection of Sewage Sludge by Two-Stage Anaerobic Thermophilic/Mesophilic Digestion
R. Mitsdörffer
;
W. Demharter
;
W. Bischofsberger
Abstract
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PDF
Upgrading of Wastewater Treatment Plants: Oxidation Ponds in Series with Biological Filters
P. G. J. Meiring
;
J. A. van Huyssteen
View article
PDF
Upgrading of a Wastewater Treatment Plant in a Winter Tourism Resort Area Based on In-Stream Standards
H. Fleckseder
;
K. Götzendorfer
;
G. Schnell
View article
PDF
The Linpor-Process for Nitrification and Denitrification
H. Reimann
View article
PDF
Biologically Intensified Filtration Processes (Dry Bed Filter) for an Efficient Effluent Improvement of Wastewater Treatment Plants – Applications
A. Kraft
;
C. F. Seyfried
View article
PDF
Upgrading of Wastewater Treatment Plants Using Pure Oxygen
Frederick J. Gould
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PDF
Upgrading of Kanpur Wastewater Treatment Plant by Phased Expansion
M. Kulshrestha
;
A. Srivastava
;
C. Venkobachar
;
S. Ramaseshan
Abstract
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PDF
Design of a Low Strength Sewage Treatment Plant in a Cold Climate
Brian Evans
;
Justyna Kempa-Teper
;
Keith Murphy
View article
PDF
The Influence of Upgrading of Waste Water Treatment Plants on the Design of Aeration Systems
H. J. Schmidt-Holthausen
View article
PDF
Improvement of Wastewater Treatment Plant Projects
Edward S. Kempa
Abstract
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PDF
Wastewater Treatment by Soil Absorption Systems
T. Ebers
;
W. Bischofsberger
Abstract
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PDF
Subsoil Percolation of Sewage – Purification Efficiency of Unsaturated Zone and Mass Balance of Organic Load
S. Rettinger
;
W. Bischofsberger
Abstract
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PDF
Real-Time Biological Process Optimization Using Off-Line and On-Line Monitoring
J. Buttz
;
G. Daigger
;
M. Robbins
View article
PDF
Metal Removal by Waste Biomass to Upgrade Wastewater Treatment Plants
C. Venkobachar
Abstract
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PDF
Preface
W. Hegemann
;
W. Bischofsberger
;
E. Englmann
View article
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Index
Subject Index
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