Evaluation of environmental impacts for future influent scenarios using a model-based approach | Zendy

Sven Andersson | Zendy; Magnus Rahmberg | Zendy; Åsa Wikberg-Nilsson | Zendy; C. Grundestam | Zendy; Ramesh Saagi | Zendy; Erik Lindblom | Zendy

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Evaluation of environmental impacts for future influent scenarios using a model-based approach

Author(s) -

Sven Andersson,

Magnus Rahmberg,

Åsa Wikberg-Nilsson,

C. Grundestam,

Ramesh Saagi,

Erik Lindblom

Publication year - 2020

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2020.183

Subject(s) - life cycle assessment , surface runoff , environmental science , infiltration (hvac) , wastewater , environmental impact assessment , environmental engineering , sewage treatment , ecology , physics , macroeconomics , production (economics) , economics , biology , thermodynamics

Changes in dilution of wastewater to a treatment plant due to infiltration or surface runoff can have a great impact on treatment process performance. This paper presents a model-based approach in which realistic influent scenarios are generated and used as inputs to a dynamic plant-wide process model of the wastewater treatment plant. The simulated operation is subsequently evaluated using life-cycle assessment (LCA) to quantify the environmental impacts of the future influent scenarios. The results show that increased infiltration led to higher environmental impact per kg nitrogen removed. The increase in surface runoff had a minor impact.

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