Activated Sludge Recycling and Oxidized Ammonium Recycling: Innovative Strategies for Odour Prevention in WWTPs

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sesion05 muñoz05   Odour control is an increasing concern in WWTPs. Physical/chemical end-of-the-pipe technologies for odour abatement are relatively expensive and present high environmental impacts. Biotechnologies, on the other hand, have recently emerged as cost-effective and environmentally friendly alternatives but are still limited by their investment costs and land requirements. A more desirable approach to odour control is the prevention of odorant formation.

   In WWTPs, where different biological processes take place and many streams are available, there are opportunities to re-design processes in order to minimize odour generation. This work explores two alternative strategies for odour control.

J. M. Estrada 1,4, R. Lebrero 1, N. J. R. Kraakman 2,3 and R. Muñoz 1*

1. Department of Chemical Engineering and Environmental Technology, University of Valladolid. Dr. Mergelina s/n, 47011, Valladolid, Spain.
2. Department of Biotechnology, Delft University of Technology, Julianalaan 67, 2628 BC Delft, The Netherlands.
3. CH2M Hill, Level 7, 9 Help Street, Chatswood NSW 2067, Australia.
4. Present address: School of Engineering, London South Bank University, 103 Borough Road, London SE1 0AA, United Kingdom.

Coexistence between a Sewage Plant and its Surrounding. Redesigning Galindo WWTP

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sesion07 lopez03   Galindo waste water treatment plant was designed in the 1980s on the plot of a dump in a highly industrialized area. The industrial conversion plan and urban development have remodeled the surrounding landscape, making it an urban established plant, causing conditions to which the plant could not offer solutions.

   Aware that the plant should not produce a significant change in the quality of resident’s life, the Consorcio de Aguas Bilbao Bizkaia (CABB) has designed an ambitious plan of minimization of the odor significance, scheduled in four stages.

A. López Etxebarria

Consorcio de Aguas de Bilbao-Bizkaia.
C/San Vicente 8, 48001 Bilbao.

Odor Elimination by Regenerative Thermal Oxidation. Success Case Study in the Rendering Sector

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sesion05 coehlo01   The rendering sector that transforms the animal by-products into grease and protein flour is one of most problematic industry due to the odors generated by the activity process. For this reason, most of the plants are located in isolated areas far from population and even far from other industries. In this Case Study, the location very near a urban area, required the implementation of a solution.

R. Coelho 1* , M. Hänel 2  and G. Lacarra 3

1. Carpe Ambiente Ltda, Portugal,  
2. KBA MetalPrint, Alemania,
3. Delegación de Carpe Ambiente en España

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