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  4. High-rate nitrification of membrane-filtrated saline landfill leachate using fixed-bed biofilm reactors
 
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High-rate nitrification of membrane-filtrated saline landfill leachate using fixed-bed biofilm reactors

Citation Link: https://doi.org/10.15480/882.2247
Publikationstyp
Doctoral Thesis
Date Issued
2018
Sprache
English
Author(s)
Ramaswami, Sreenivasan  orcid-logo
Herausgeber*innen
Gesellschaft zur Förderung der Forschung und Entwicklung der Umwelttechnologien (GFEU) an der Technischen Universität Hamburg e.V.  
Advisor
Otterpohl, Ralf  
Referee
Ernst, Mathias  orcid-logo
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2018-10-16
Institut
Abwasserwirtschaft und Gewässerschutz B-2  
TORE-DOI
10.15480/882.2247
TORE-URI
http://hdl.handle.net/11420/2659
First published in
Hamburger Berichte zur Siedlungswasserwirtschaft  
Number in series
98
Landfill leachates containing high ammonia concentrations cannot be treated satisfactorily using reverse osmosis (RO) systems alone. In this work, leachate nitrification using aerated packed bed reactors was investigated to solve the problem of insufficient ammonia rejection faced by the multi-stage high pressure membrane system (comprising of RO and nanofiltration (NF) operations) treating the leachate at the Ihlenberg landfill site. Nitrification efficiencies greater than 97% were achieved with the NF permeate of RO retentate of raw leachate (having 16 g/L Cl-, 45 mS/cm) at loading rates of about 1100 g NH4+-N/(m3∙d) at 25°C. Based on the findings, a half-technical scale plant was conceptualised and commissioned at the Ihlenberg landfill site.
DDC Class
500: Naturwissenschaften
570: Biowissenschaften, Biologie
620: Ingenieurwissenschaften
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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