Ninth International Conference on Water Pollution Research

Contents

Opening Speech by the Conference President

Opening Speech by Mr Thorbjorn Falldin, Prime Minister

Opening Speech by the President of The IAWPR

Carbon Adsorption As An Advanced Wastewater Treatment Process

Study of the Nitrification of Surface Water

A Novel Method For Assessing the thickenability of Sludges

The Use of Activated Carbon For Chromium (VI) Removal

The Interrelationships Among Chemical Parameters in Rivers—Analyzing the Effect of Natural and Anthropogenic Sources

The Use of Pulped Newsprint As A Conditioning Aid in the Vacuum Filtration of A Municipal Sludge

Purification of Pulp Bleaching Waste Water with Aluminium Oxide

Mixing Model For Large Streams

Properties and Treatment of Lime-Algae Sludge

A New Concept of Filterability

Prediction of Bacterial Pollution in Sea Water

Multi-Component Diffusion in Denitrifying Biofilms

The Role of Retained Particles in Deep Bed Filtration

The Use of Indium 113 For The Measurement of Coefficients of Dispersion of the Sea

Denitrification Kinetics in A Submerged Rotating Biological Disk Unit

Particulates and Trace Pollutant Removal by Depth Filtration

Mathematical Modelling of Eutrophied Coastal Areas

Treatment of High Nitrate Wastewaters by Plastic Media Anaerobic Filters with Particular Reference to Latex Processing

Removal of Residual Phosphorus and Suspended Solids by Contact Filtration

Water Conditions in the Stockholm Archipelago After the Introduction of Biological and Chemical Purification of Wastewater

Denitrification of a Concentrated Nitrogenous Industrial Effluent Using Packed Column and Fluidized Bed Reactors

Heavy Metals in Soil and Cereals Fertilized with Sewage Sludge

Microbiological Quality Indicators For Routine Monitoring of Wastewater Reclamation Systems

The Role of Sediments On Mercury Transport (Totaland Methyl-) in A River System

Further Studies On Bifidobacteria as Indicators of Faecal Pollution in Water

The Uptake and Release of Petroleum Hydrocarbons by the Marine Mussel Mytilus Edulis

Relationship Between Indicator Organisms and Selected Pathogenic Bacteria in Urban Waterways

Accumulation of Bioresistant Micropollutants in A Particular Catchment in Hungary

The Effect of Diurnal Ammonium Load Variation on the Performance of Nitrifying Activated Sludge Processes

The Thames Model: An Assessment

The Impact of Atmospheric Contaminants On Storm Water Quality in An Urban Area

Consistent Biological Phosphate And Nitrate Removal in An Activated Sludge Plant

Application of A Mathematical Model To The Characterization of Dispersion Effects On Groundwater Quality

Atmospheric Contaminants, Fallout and Their Effect On Storm Water Quality

Design Considerations For Integrated Nutrient Removal Systems

The Effects of The Disposal of Effluents and Sewage Sludge On Groundwater Quality in the Chalk of The United Kingdom

Atmospheric Fallout and Street Cleaning—Effects of Urban Storm Water and Snow

Alkalinity—A Neglected Parameter in Advanced Wastewater Treatment Systems

Simultaneous in Situ Determination of Dissolved Nitrogen and Oxygen by Gas Chromatography

Urban Runoff From A Road Surface—A Water Quality Study

The Effect of Petrochemical Structure On Methane Fermentation Toxicity

Removal of Organic Dyes by Activated Sludge

The Significance of Plant Nutrient Yields in Runoff From A Mixed Land Use Watershed

Retention of Viruses During Sludge Application To Soils

Determining Nutrient Loading From Rainfall and Runoff in Small Rivers

Survival of Poliovirus in Model Wastewater Holding Ponds

Nutrient Budget For A Residential Storm Water Catchment in Durban, South Africa

Chemical Precipitation of Wastewater With Lime and Seawater

Ozone Initiated Oxidations of Solutes in Wastewater: A Reaction Kinetic Approach

A Study of Stormwater Runoff Quality

Experiences and Process Development in Biologicalchemical Treatment of Municipal Wastewaters in Sweden

Rapid Appraisal of The Effects of Various Substances On Microorganisms

A Mass Balance Method For Estimating Combined Sewer Runoff and Overflow Quality From Sewage Treatment Plant Data

Basis For The Design of Alternative Chemicalbiological

Wastewater Treatment Processes

Immediate and Continuous Measurement of Activated Sludge Quantity in Sewage Biological Treatment Tanks Vin

Comparative Assessment of Pollution Loadings From Non-Point Sources in Urban Land Use

Physical Chemical Treatment of Anaerobic Filter Effluent

Wastewater Control Technology in Steam-Electric Power Plants

Design of Teacup Solids Separators For Treatment of Sewer Overflows

Trace Metal Removal From Secondary Effluent by Two-Stage High Lime-Magnesium Treatment

Effect of Nitrification in Orta Lake

Influence of Oxidising Treatments On The Formation and The Degradation of Haloform Reaction Precursors

Domestic Wastewater Treatment With Oxidation Ponds in Combination With Chemical Precipitation

Restoration of Lake Nakskov Idrefjord, Denmark, Using Algal Ponds To Remove Nutrients From Inflowing River Water

Chlorinated and Brominated Lipophilic Substances in Spent Bleach Liquors From A Sulfite Pulp Mill

Improvement of The Quality of Waste Pond Effluents in Northern Areas by Chemical Pre-Precipitation

The Significance of Sewage Effluent For The Hydraulic And Nutrient Loads On Lakes

The Effect of Process Configuration On The Formation of Volatile Organohalogen Compounds in Reclaimed Water Discussions and Replies

Workshop On Problems in the Application and Development of New Technologies

Workshop On Water Pollution Problems Arising From Development

Errata

Author Index

Subject Index