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Processes and drivers of biological and chemical Phosphorus removal in wastewater treatment plants
Halmstad University, School of Business, Engineering and Science.
2019 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Phosphorus (P) is one of the most important elements exists in wastewater in soluble forms. Several methods have been using for P recovery in wastewater treatment plants, but this study tried to investigate on the most important drivers and the processes of biological phosphorus removal (EBPR) and chemical phosphorus removal that are the major technics of P recovery globally. It has been considered that EBPR is a high recovery method (normally greater than 90%) which could be implemented in different regimes with the integration feasibility of different methods, while chemical precipitation is a flexible technique that could be dosed in various section of a treatment unit. The performance and drivers of three metal-based salts such as Iron (Fe), Aluminum (Al), and Calcium (Ca) also investigated during chemical precipitation. The crystallization process is also investigated as a subcategory model of chemical P removal method. It has been considered that the alkaline pH of 9-9.5, mixing intensity, and the addition of isomorphic seed materials are the most important factors in the crystallization process.

Place, publisher, year, edition, pages
2019. , p. 35
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:hh:diva-38814OAI: oai:DiVA.org:hh-38814DiVA, id: diva2:1284096
Educational program
Master's Programme in Applied Environmental Science
Presentation
2019-01-28, N 104, N building, Halmstad University, Halmstad, 10:15 (English)
Supervisors
Examiners
Available from: 2019-01-31 Created: 2019-01-30 Last updated: 2019-01-31Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf