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Waste water in the vehicle industry: A pre-study on Volvo GTO waste water treatment plant and its future conditions
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis aims to investigate and assess the future conditions for Volvo GTO Umeå after the installation of a new pre-treatment facility. The treatment method used is physical-chemical precipitation. Its function is to precipitate contaminants such as nickel, zinc and phosphorus, make them flocculate by adding a coagulant and separate the flocs by sedimentation. An investigation was carried out at the Volvo plant to locate the major inflow of waste water. These major inflows was analyzed and future scenarios was predicted by estimating a lower pre-treatment flow volume. The future scenarios showed that the volume and content will be greatly lowered. This will change many of the treatment plants performance factors, such as residence time, metal ion concentration and how much chemicals needed to treat the contaminants. Volvos physical-chemical precipitation plant was compared to the best available technique document drawn up in the framework of the implementation of the Industrial Emission Directive (2010/75/EU). The findings in the comparison showed that the Volvo plant works at a desirable degree and that the plant itself is considered best available technique when treating the current and future contaminants. Thus the physical-chemical precipitation technique can be used to treat the future waste water flows if the treatment plants performance factors are adjusted for.

Place, publisher, year, edition, pages
2019. , p. 13
Keywords [en]
Waste water treatment, precipitation, best available technique
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-161141OAI: oai:DiVA.org:umu-161141DiVA, id: diva2:1332179
External cooperation
Volvo GTO Umeå
Educational program
Bachelor of Science in Environmental Health
Available from: 2019-06-28 Created: 2019-06-27 Last updated: 2019-06-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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