Chemical Water and Wastewater Treatment IV: Proceedings of the 7th Gothenburg Symposium 1996, September 23 – 25, 1996, Edinburgh, Scotland

Front Matter....Pages I-XII
Front Matter....Pages 1-1
Mixing for Coagulation: Organic Polymers, Static Mixers, and Modeling....Pages 3-15
The Relevance of Blanket Solids Concentration in Understanding the Performance of Floc Blanket Clarifiers in Water Treatment....Pages 17-29
Temperature Influences and Structure in the Sweep Floc Domain....Pages 31-40
Floc Size Distribution Measurements: A Physically Sound Method for Scaling Up Flocculation Performance....Pages 41-48
Water and Wastewater Treatment Using Ferrites....Pages 49-60
On-line Evaluation of Shape and Porosity Effects on Settling Behaviour of Flocs in Clarifiers....Pages 61-70
Front Matter....Pages 71-71
European Standards for Drinking Water Treatment Chemicals....Pages 73-81
The Differences of Behaviour and Coagulating Mechanism Between Inorganic Polymer Flocculants and Traditional Coagulants....Pages 83-93
The Influence of pH When Precipitating Orthophosphate with Aluminum and Iron Salts....Pages 95-105
Coagulation and Precipitation by an Alkaline Aluminium Coagulant....Pages 107-117
Front Matter....Pages 119-119
Colloid Charge Capacity — Its Measurement, Problems and Promise....Pages 121-135
Dosing Control of Coagulants Based on On-line Monitoring of Suspended Solids in Sewage Treatment Plants....Pages 137-145
Chemicals Addition Control for Phosphorus Removal in Primary Sedimentation Tanks....Pages 147-158
Primary Treatment for Urban Wastewater Treatment — Directive Compliance....Pages 159-170
Front Matter....Pages 171-171
Removal of Humic Substances by Coagulation....Pages 173-187
Coagulation of Natural Organic Matter from Surface Water Using Cationic Polymer....Pages 189-199
High Rate Flocculation, Flotation and Filtration in Potable Water Treatment....Pages 201-211
Contact Flocculation Filtration Using a Natural Polyelectrolyte for the Treatment of Low Turbidity Surface Water in Developing Countries....Pages 213-223
Front Matter....Pages 225-225
Aspects on Upgrading of Existing Treatment Plants....Pages 227-240
Meeting the EC Urban Wastewater Treatment Directive with the Hydro Swirl-Flo® Process....Pages 241-250
Front Matter....Pages 225-225
Chemically Assisted Sedimentation in an Inclined Tube Clarifier....Pages 251-262
Long Term Dosage of Aluminium in a Full Scale WWTP to Improve Activated Sludge Settleability....Pages 263-273
Front Matter....Pages 275-275
Innovative Physico-Chemical Wastewater Treatment Research Down-Under....Pages 277-286
Anoxic Degradation of Dissolved COD for Enhanced Organic Matter Removal in Compact Chemical Treatment Plants....Pages 287-297
Removal of Amorphous Components in a Fluidized Bed Type Crystallize....Pages 299-306
Dairy Wastewater Treatment by Coagulation with Chitosan....Pages 307-314
Front Matter....Pages 315-315
The Relative Merits of Biological Versus Chemical Wastewater Treatment....Pages 317-318
Statements for the Panel Discussion....Pages 319-321
Can We Find Methods to Select a Wastewater Treatment Process by as Clear as Possible a ‘Holistic Approach’?....Pages 323-326
Biological Treatment Versus Chemical Treatment....Pages 327-328
Economic and Ecological Aspects of Wastewater Treatment with Biological and Chemical Means....Pages 329-331
Economic and Ecological Aspects of Wastewater Treatment with Biological and Chemical Means....Pages 333-335
Front Matter....Pages 337-337
Wastewater Treatment and Resources Reuse Based on Pre-Precipitation, Biofilm Reactors and Thermal Sludge Hydrolysis....Pages 339-351
Consequences of Phosphorus Elimination for Sludge Production — a Comparison between Physical-Chemical and Enhanced Biological Phosphorus Removal....Pages 353-366
Don’t Reject the Idea of Treating Reject Water....Pages 367-375
Full Scale Experiences with Processes for Stabilization and Disinfection of Primary-Chemical Sludge....Pages 377-390
Thermal Sludge Treatment to Decrease Sludge Volume and Recycle the Sludge to New Products....Pages 391-399
Thermal Hydrolysis as a Profitable Way of Handling Sludge....Pages 401-409
The Use of Hypertext for the Optimization of Precipitation in Municipal Wastewater Treatment Plants....Pages 411-421
Back Matter....Pages 423-424