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Content with label nitrification in REBEL WP8: Biotechnology (See content from all spaces)
Related Labels: denitrification, table, activated-sludge, biological-methods, sewer-systems, wastewater-treatment, biotechnology, bod, temperature, waste-water, cod, sedimentation-basin, sewage-treatment-plants, bacteria, parameter, narrative-text, figure, nitrogen

Page: 2 Nitrification
During nitrification, oxidation of the ammonium into nitrate takes place by various autotrophic microorganisms (nitrifiers) and is carried out in the activation basin. The nitrifying bacteria use CO{}2 for building cells and reduced organic N compounds as an energy source. The maximally ...
Other labels: table, narrative-text, biological-methods, biotechnology, nitrogen, sewage-treatment-plants, bacteria, wastewater-treatment
Page: 3 Denitrification
Aerobic rebwp8:Oxygen content nitrification rebwp8:2 Nitrification is followed by denitrification in an anoxic rebwp8:Oxygen content basin (no dissolved O{}2, nitrate acts as the O{}2 source). Here, NO{}3{}\ is reduced by heterotrophic Cdegrading bacteria ...
Other labels: sedimentation-basin, table, narrative-text, biotechnology, nitrogen, sewage-treatment-plants, bacteria, denitrification
Page: 5. Intermittent denitrification
nitrification rebwp8:2 Nitrification and denitrification phases alternate over time in a single basin. \\ \\ !UBT479Intermittierende Deni.jpg border=1
Other labels: figure, narrative-text, biological-methods, biotechnology, denitrification, wastewater-treatment, waste-water
Page: Activation basin-trickling bed combination
case the BOD5 rebwp8:BOD5 removal takes place in the first stage (activat­ion basin) and the nitri­fication rebwp8:2 Nitrification takes place in the second stage (trick­ling bed rebwp8:Trickling bed method ). A final sedi ...
Other labels: sedimentation-basin, figure, narrative-text, biological-methods, biotechnology, sewage-treatment-plants, denitrification, activated-sludge
Page: N removal
Nitrogen is present in waste water partly as organic N, partly as NH{}4\N. Organic N can be used either directly for building up bacterial mass or is converted by bacterial enzymes into NH{}4\N (hydrolysis). In a first step ...
Other labels: figure, table, biotechnology, nitrogen, sewage-treatment-plants, denitrification, wastewater-treatment, waste-water
Page: Temperature
Seasonal temperature variations have only a small effect on the biological decomposition of C compounds, as the wide variety of bacteria species in the activated sludge have different temperature optima. With slow temperature changes the biotic community can adapt, but shortterm variations ...
Other labels: parameter, narrative-text, biological-methods, biotechnology, bacteria, wastewater-treatment, waste-water, temperature
Page: Two-stage activation plants
1st stage is highload activation (most of the C compounds should be degraded here in order to achieve low sludge production in the 2nd stage), the 2nd stage is conventionally for nitrification rebwp8:2 Nitrification /denitrification rebwp8:3 Denitrification . In this way a greater ...
Other labels: narrative-text, biological-methods, biotechnology, sewage-treatment-plants, denitrification, bod, wastewater-treatment, waste-water
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