Search for dissertations about: "removal of nitrite"

Showing result 1 - 5 of 21 swedish dissertations containing the words removal of nitrite.

2. 1. Use of chemical denitrification for nitrogen removal from landfill leachates

   Author : Aleksandra Nikolic; KTH; []
   Keywords : Chemical denitrification; conductivity; evaporation drying; freezing thawing; leachate; nitrogen removal;

   Abstract : Landfill leachate usually has a high concentration ofammonium nitrogen and heavy metals, but too low alkalinitycontent for full biological nitrification, as well as a too lowconcentration of biologically degradable organic carbon forbiological denitrification, and at the same time very variablecomposition (quantity and quality) with time. These factorsresult in serious problems for treating leachate with existingsystems. READ MORE

4. 2. Involvement of Heparan Sulphate Biosynthesis and Turnover in Cell Proliferation. A Novel Role for Nitric Oxide in Recycling of Heparan Sulphate Proteoglycans

   Author : Katrin Mani; Institutionen för experimentell medicinsk vetenskap; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; nitrite.; nitric oxide; growth-inhibition; xyloside; glypican; heparan sulphate; Proteoglycan; glycosaminoglycan; Clinical biology; Klinisk biologi;

   Abstract : The present investigation focuses on the role of HS metabolism in cell proliferation. The effect of the HS priming ß-D-xyloside, 2-(6-hydroxynaphthyl)-O-ß-D-xylopyranoside (Xyl-2-Nap-6-OH) on the proliferation of normal and transformed cells was studied. READ MORE

5. 3. STUDY OF BACTERIAL COMMUNITIES : – A WASTEWATER TREATMENT PERSPECTIVE

   Author : Adrian Rodriguez Caballero; Erik Dahlquist; Elzbieta Plaza; Mälardalens högskola; []
   Keywords : Activated sludge; COD removal; Constructed wetland; DGGE; FISH; Molecular microbiology; Nitrification; PCR; Wastewater treatment.; Energy- and Environmental Engineering; energi- och miljöteknik;

   Abstract : In this thesis, the application of molecular microbiology methods to understand wastewater treatment bio-reactions is described. Two different wastewater treatment systems were chosen for the experimental work. READ MORE

6. 4. Assessment of a partial nitritation/Anammox system for nitrogen removal

   Author : Luiza Gut; Elzbieta Plaza; Joanna Surmacz-Gorska; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biofilm; Deammonification; Nitrogen removal; Oxygen Uptake Rate OUR ; Partial nitritation Anammox system; Civil engineering and architecture; Samhällsbyggnadsteknik och arkitektur;

   Abstract : This thesis evaluates the performance of a deammonification system designed as a two-step tech-nology consisting of an initial partial nitritation followed by an Anammox process. Operation of a technical-scale pilot plant at the Himmerfjärden Wastewater Treatment Plant (Grödinge, Swe-den) has been assessed. READ MORE

7. 5. Investigation of a Biofilm Reactor Model with Suspended Biomass

   Author : Alma Masic; Matematik LTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; wall attachment; suspended growth; substrate removal; reactor; biofilm; CSTR; mathematical model; MBBR; nitrification; optimization;

   Abstract : Biofilms are compact, sessile microbial communities that attach to surfaces in aqueous environments. In wastewater treatment, they are especially important for removal of phosphorus and nitrogen, which, if released into a receiving water body, can cause severe eutrophication. READ MORE