University of Leeds/Civil Eng. masthead

Papers presented at the 9th IWA International Conference on 

Waste Stabilization Ponds

Belo Horizonte, Brazil, 26–30 April 2009



1. Pond behaviour and hydraulics

Importance of hydraulic characterisations in waste stabilisation pond research: results from pilot-scale algal, duckweed, rock filter and attached-growth

Taking wind into account in the design of waste stabilisation ponds

Plug-flow can be induced in maturation ponds by increasing the L/W ratio

Baffled primary facultative ponds with inlets and outlets set at different levels treating domestic wastewater in Northeast Brazil

The impact of wind on waste stabilisation pond performance

2. Integration of ponds with other systems

Comparison between polishing (maturation) ponds and subsurface flow constructed wetlands (planted and unplanted) for the post-treatment of the effluent …

Post-treatment of UASB reactor effluent in waste stabilization ponds and in horizontal flow constructed wetlands: a comparative study in pilot scale

Stabilization ponds and macrophytes, to be or not to be?

Conceptual analysis of the UASB/Polishing Pond system regarding the removal of specific constituents and control of gaseous emissions

Efficiency evaluation of polishing ponds operating as wastewater biological treatment process and rearing fish tank in an Integrated Biosystems Wastewater …

3. Non-domestic wastewater treatment 

Algae biomass evaluation in aerated facultative and maturation ponds for piggery waste treatment

Productivity of algal biomass in ponds treating piggery waste

Design of an integrated system of piggery with recycled water: biomass production and water purification by vermiculture, macrophyte ponds and wetlands

Treatment of industrial leachate through stabilization ponds

Microbial dynamics of the main bacterial groups in an anaerobic pond treating landfill leachate


4. Modelling of pond systems

Evaluation of the overall performance and relationship with operational variables at 73 full-scale primary facultative ponds

Assessment of classical surface organic loading design equations based on the actual performance of primary and secondary facultative ponds

Revisiting the influence of loading on organic material removal rates in primary facultative ponds

Formulation of a biomass production model using equations of primary growth factors and environmental database for some groups of aquatic macrophytes

Modeling waste stabilization ponds with an extended version of ASM 3

Comparison of paddle wheel and airlift for aeration and gas transfer in high rate algal ponds

5.  Conventional and new pond systems

6.  Pond effluent quality and reuse

Assessing nutrient value for promotion of municipal wastewater reuse for agricultural purposes in non-arid regions - a New Zealand case study

Performance of a facultative pond in attendance to water quality guidelines and nutritional load requirements for agriculture irrigation reuse

Fruits produced with wastewater treated in stabilization ponds systems: evaluation in a quality prospective

Water and fish quality during the reuse on aquaculture of sewage treated in stabilization ponds: experience of Ceará state, Brazil

Fate and levels of steroid oestrogens and androgens in waste stabilisation ponds: quantitation by liquid chromatography-tandem mass spectrometry

Treatment of domestic wastewater in shallow waste stabilization ponds for agricultural irrigation reuse

7.  Nutrient removal 

Nitrogen removal in maturation WSP ponds via biological uptake and sedimentation of dead biomass

Nitrification-Denitrification in WSP: the "X" factor for permanent nitrogen removal in maturation ponds

Nitrification potential in waste stabilisation ponds: comparison of a secondary and tertiary pond system

Nitrogen removal during summer and winter in a primary facultative WSP pond: preliminary findings from 15N-labelled ammonium tracer techniques

Nitrification rates of biofilms in algae wastewater stabilization ponds

8.  Pathogen removal 

Faecal coliform decay rate in WSPs of Ponta Negra, Northeast of Brazil

Characterization of pathogenic bacteria in a UASB-polishing pond system using molecular techniques

New insights into sunlight disinfection mechanisms in waste stabilization ponds

Factors affecting sunlight inactivation of micro-organisms in waste stabilisation ponds

For a better design of disinfection effect in maturation ponds

9.  nUTRIENT removal 

Investigation of aerobic and anaerobic ammonium-oxidizing bacteria presence in a small full-scale wastewater treatment system comprised by UASB reactor and polishing ponds

Desorption rate of volatile compounds in polishing ponds

Utilization of a shallow pond for ammonia nitrogen removal

Trickling filters: alternative for ammonia removal

The effect of aerated rock filter geometry on the rate of nitrogen removal from facultative pond effluents

Pilot scale waste stabilization ponds associated with biofilms for organic matter and nutrients removal

10.  pathogen removal/pond applications 

The removal of thermo-tolerant coliform bacteria by immobilized waste stabilization pond algae

Advanced disinfection of wastewater ponds' effluent by UV irradiation

On the performance of 78 waste stabilization ponds in series in Northeast of Brazil

Prospectus of waste stabilization ponds in Ceará, Northeast Brazil

UASB-polishing ponds design parameters. Contributions from a pilot scale study in southeast Brazil

Organic matter removal from landfill leachate in shallow waste stabilization ponds

11.  NUTRIENT REMOVAL/POND MANAGEMENT 

Mechanisms of ammonia removal in a leachate treatment pond at the Taylors Road landfill site − Melbourne, Australia

The removal of ammonia from sanitary landfill leachate using a series of shallow waste stabilization ponds

Phosphorus removal with chitosan in a facultative aerated lagoon system

Economic criteria and parameters to evaluate wastewater pond system

Waste stabilisation ponds management, operations and maintenance tools

12.  SLUDGE MANAGEMENT 

Digestion of wastewater pond microalgae and inhibition from ammonium and alum

Sludge accumulation in an anaerobic pond and viability of helminth eggs: a case study in Burkina Faso

A DGPS-Method to measure sediment accumulation rates in WSP. Application in Tunisia

Estimate of rate of accumulation of sludge in stabilization ponds

Cost of sludge removal in the stabilization pond using bags - a study of the case WTP

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A diagnostic of the sewage treatment plant by facultative lagoons based in a 24 hours monitoring

Assessment of pH and DO (in situ) with apparel multiparameter Horiba® on waste stabilization pond (WSP) of Ponta Negra, Natal, Rio Grande do Norte - Brazil

 Horizonte, Brazil, 26–30 Apr
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