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Open AccessArticle

Strategies for the Controlled Integration of Food SMEs’ Highly Polluted Effluents into Urban Sanitation Systems

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Efficient and Sustainable Processes Department, AZTI, Astondo Bidea, Edificio 609, Parque Tecnológico de Bizkaia, E-48160 Derio, Spain
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Marine and Coastal Environmental Management, AZTI, Herrera Kaia, Portualdea z/g, E-20110 Pasaia, Spain
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Trade Effluents Control Area, Consorcio de Aguas Bilbao-Bizkaia, Maestro José z/g, E-49810 Sestao, Spain
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Environmental Engineering Unit, Ceit-IK4 and Tecnun, Universidad de Navarra, 15 Paseo Manuel Lardizabal, E-20018 San Sebastián, Spain
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Author to whom correspondence should be addressed.
Water 2019, 11(2), 223; https://doi.org/10.3390/w11020223
Received: 28 December 2018 / Revised: 21 January 2019 / Accepted: 22 January 2019 / Published: 29 January 2019
(This article belongs to the Special Issue Insights on the Water–Energy–Food Nexus)
The artisan production of canned tuna is characterized by generating effluents with high organic and saline loads, which complicates their suitable treatment. The main objective of the LIFE VERTALIM project is to demonstrate the efficiency of a holistic solution (including technical, legislative, social, and environmental aspects) for the controlled integration of food industry wastewater from small and medium enterprises (SMEs) in the urban sanitation system with the compliance of all stakeholders. This work shows the viability of the implementation of low-cost innovative solutions, through the clean and eco-efficient production and wastewater pretreatment for fish canneries. This solution allows on average a reduction of 30% of the wastewater discharges to the environment and a reduction of food losses of up to 0.1%. Moreover, there is a reduction of between 40% and 90% related to high organic load. These results allow the canneries to dispose their pretreated effluents to the urban sanitation system, avoiding the high costs of an industrial wastewater treatment plant (WWTP) to discharge to the river. A better physical-chemical quality in the river waters as a well as the marine water surrounding the urban WWTP have been achieved. View Full-Text
Keywords: fish canning industry; eco-efficient food production; real-time control system; industrial wastewater management fish canning industry; eco-efficient food production; real-time control system; industrial wastewater management
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Gutierrez, M.; Etxebarria, S.; Revilla, M.; Ramos, S.; Ciriza, A.; Sancho, L.; Zufia, J. Strategies for the Controlled Integration of Food SMEs’ Highly Polluted Effluents into Urban Sanitation Systems. Water 2019, 11, 223.

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