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Landfill Leachate Treatment Case Study, SRV Atervinning, Sweden
KTH, School of Industrial Engineering and Management (ITM), Industrial Ecology.
2007 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

SRV återvinning AB is a joint-stock waste company located in the south of Stockholm. Since the first operation, three landfills have been practiced successively. The landfill generates about 200,000 to 250,000 cubic meters of leachate per year. An on-site leachate treatment plant consists of sequencing batch reactor (SBR) and constructed wetland was build for Landfill III. The research was to find out:

- the capacity and efficiency of the existing on-site leachate treatment plant;

- to analyse the costs and environmental benefits of different alternatives; and

- using the above results, to assess and suggest supplementary methods to treat total landfill leachate concerning the site-specific conditions.

This thesis contains a literature review of leachate production and composition as well as leachate treatment technologies. The technologies are described, evaluated or compared. The contents of this thesis divided into 11 chapters. Various calculations and assumptions that have been developed for effective controlling and treating leachate from landfills.

Chapter 1 is devoted to basic facts of the leachate problems at SRV återvinning AB. Chapter 2 presented the methodologies that have been set up for solutions and suggestions. Chapter 3 provides a general background of the generation and compositions of waste leachate. A general overview of leachate treatment methods and systems is presented in Chapter 4. Costs of different leachate treatment methods is also exhibited. Chapter 5 provides a detailed current situation review of SRV återvinning AB on landfilling site, leachate quality and quantity and the existing treatment plant. Chapter 6 showed the previous application experience from other treatment plant. The calculation and comparison procedure for the capacity and efficiency of the plant at the landfill is presented in Chapter 7. Different alternatives to solve the leachate problem concerning the site-specification are proposed in Chapter 8. Their applicability, effectiveness are analyzed. Chapter 9 provides detailed discussion of alternatives and calculation procedure. After the conclusion of the thesis, recommendations for the further work are presented.

This thesis will provide SRV återvinning AB different alternatives to solve leachate problems. Finally, considering the site-specification, economic perspective and environmental benefits, applying reverse osmosis after SBR as final step; the combination of aerated lagoon, sand filter and soil infiltration are proposed. Furthermore, the control of leachate production is also taken into account. Eventually, recommendations for the further work were presented.

Place, publisher, year, edition, pages
2007. , 82 p.
Trita-IM, ISSN 1402-7615 ; 2007:24
National Category
Social Sciences Interdisciplinary
URN: urn:nbn:se:kth:diva-32772OAI: diva2:411843
www.ima.kth.seAvailable from: 2011-05-04 Created: 2011-04-19 Last updated: 2011-05-04Bibliographically approved

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