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Volume 20, Issue 4-5

April 1988

ISSN 0273-1223

EISSN 1996-9732

In this Issue

Research Articles
Index
Research Articles

Research Articles

Filamentous Bulking in Nutrient Removal Activated Sludge Systems

Jiri Wanner; Petr Grau

Experience with a Selector Used for Treatment of Sugar Beet Waste

E. Ruider; H. Kroiss; W. von der Emde

Optimizing Nitrification in Aeration Basins with Surface Aerators

W. Maier; Kh Krauth

Ammonia Controlled Activated Sludge Process for Nitrification-Denitrification

P. J. Spies; C. F. Seyfried

Microscopic Evaluation of Carbon and Phosphorus Accumulation in Nutrient Removal Activated Sludge Plants

Laurraine H. Lötter; Margaret Murphy

Operating Experience with Biological Nutrient Removal at the Johannesburg Bushkoppie Works

A. R. Pitman; B. C. Trim; L. van Dalsen

Oxygen Transfer Measurements and Air Distribution for an Aeration Basin with Fine Bubble Diffusers

Read Warriner

Evaluation of the Efficiency of a New Aeration System at Henriksdal Sewage Treatment Plant

L.-G. Reinius; J. Hultgren

Dissolved Oxygen Control in the Activated Sludge Process

James L. Barnard; P. G. J. Meiring

Improved Oxygen Dissolution Control for Oxygen Activated Sludge

R. C. Clifft; M. T. Garrett

Performance Analysis of the Aeration Tanks in the Activated Sludge System

Yukio Iida

Optimisation and Uprating of Activated Sludge Plants by Efficient Process Design

B. Chambers; G. L. Jones

Investigations of Secondary Settling at a Large Treatment Plant

D. J. Lumley; P. Balmér; J. Adamsson

The Infuence of the Depth of the Secondary Sedimentation Tanks on the Sedimentation Efficiency at Bromma Sewage Treatment Plant

M. Tendaj-Xavier; J. Hultgren

Effect of Activated Sludge Processes on Secondary Settling Tank Efficiencies

Z. Koníček; J. Burdych

The Influence of Blade Height on the Removal of Sludge from Activated Sludge Settling Tanks

Ernst Billmeier

The Use of Submerged Biological Filters for Nitrification

S. Schlegel

Anaerobic-Aerobic Treatment of Industrial Wastewater

H. Bode

The Role of Strategies in the Development of Large Sewage Treatment Works

Paul Lowe

Metro Chicago's Sludge Management Plan

James C. Kirie; Gloria Majewski; John M. Ryan

Thickening of Surplus Sludge by Means of Flotation

W. Preiss

Hamburg Plans Sludge Drying

E. Sickert

Some Recent Developments in Sewage Sludge Pumping

J. H. Lohmann; W. F. Garber

Design, Testing and Operation of Grit Chambers with Hydraulic Roll

Y. Gruber; D. Farchill; M. Goldstein

What Advantages Can Be Expected from the Acceptance of Variable Quality Standards for Sewage Treatment Effluents?

Jacques Bernard

Davyhulme Sewage Treatment Works Effective Energy Utilisation

A. P. Jones; N. Counsell

Odour Emissions and Odour Control at Wastewater Treatment Plants in West Germany

F. B. Frechen

Rotterdam-Dokhaven Sewage Treatment Plant; A Large Sewage Treatment Plant in the Midst of a Developing Residential Quarter

Hugo A. Meijer

Variability of Toxic Trace Contaminants in Municipal Sewage Treatment Plants

Henryk Melcer; Hugh Monteith; Stephen G. Nutt

The Use of Sludge and Sulphide to Remove Heavy Metals from Sewages before Activated Sludge Treatment

István Licskó

Joint Sewage Treatment Plant I, Moenchengladbach-Neuwerk–A Review of the Past 50 Years and its Future Upgrading

G. Kugel; E. Zingler

Expansion of Advanced Wastewater Treatment Facilities at Washington, D.C.

W. F. Bailey; T. G. Shea

Preface

P. Benedek; W. von der Emde; H. B. Tench

Index

Subject Index

Cover Image

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Synthesis and characterization of modified activated carbon (MgO/AC) for methylene blue adsorption: optimization, equilibrium isotherm and kinetic studies

ISSN 0273-1223 EISSN 1996-9732

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