About: Wastewater from Biodiesel Production as a Carbon Source for Denitrification of Sludge Liquor in SBR     Goto   Sponge   NotDistinct   Permalink

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  • Sludge liquor from an anaerobic sludge digester with an average N-NH4 mass concentration of = 1185 mg.L-1 was treated in a pilot-scale SBR (sequencing batch reactor) system. The returned activated sludge of a WWTP was used as inoculum. The average efficiency of N-NH4 removal was over = 90%. Mass concentrations of N-NH4 in the effluent were typically below 10 mg.L-1. The maximal achieved nitrification rate was rN = 9.1 mg.g-1.h-1 (relative to MLVSS). Wastewater of methyl ester wash arising during biodiesel production was used as an external carbon source for denitrification. A dosage of 3.5 - 4.5 g of COD per 1 g of nitrogen available for denitrification was found optimal. Typical effluent N-NO3 mass concentration was about = 25 mg.L-1 and maximal achieved denitrification rate was rD = 14.5 mg.g.h-1. Operation of the SBR was stable at a HRT of = 4 - 5 days.
  • Sludge liquor from an anaerobic sludge digester with an average N-NH4 mass concentration of = 1185 mg.L-1 was treated in a pilot-scale SBR (sequencing batch reactor) system. The returned activated sludge of a WWTP was used as inoculum. The average efficiency of N-NH4 removal was over = 90%. Mass concentrations of N-NH4 in the effluent were typically below 10 mg.L-1. The maximal achieved nitrification rate was rN = 9.1 mg.g-1.h-1 (relative to MLVSS). Wastewater of methyl ester wash arising during biodiesel production was used as an external carbon source for denitrification. A dosage of 3.5 - 4.5 g of COD per 1 g of nitrogen available for denitrification was found optimal. Typical effluent N-NO3 mass concentration was about = 25 mg.L-1 and maximal achieved denitrification rate was rD = 14.5 mg.g.h-1. Operation of the SBR was stable at a HRT of = 4 - 5 days. (en)
Title
  • Wastewater from Biodiesel Production as a Carbon Source for Denitrification of Sludge Liquor in SBR
  • Wastewater from Biodiesel Production as a Carbon Source for Denitrification of Sludge Liquor in SBR (en)
skos:prefLabel
  • Wastewater from Biodiesel Production as a Carbon Source for Denitrification of Sludge Liquor in SBR
  • Wastewater from Biodiesel Production as a Carbon Source for Denitrification of Sludge Liquor in SBR (en)
skos:notation
  • RIV/00216305:26110/10:PU91215!RIV11-MSM-26110___
http://linked.open...avai/riv/aktivita
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  • S
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  • 2
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http://linked.open...aciTvurceVysledku
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  • 298582
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  • RIV/00216305:26110/10:PU91215
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  • sequencing batch reactor, nitrogen, denitrification, biodiesel (en)
http://linked.open.../riv/klicoveSlovo
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  • HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV
  • [6D0B1A4EED82]
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  • CHEMICAL AND BIOCHEMICAL ENGINEERING QUARTERLY
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http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 24
http://linked.open...iv/tvurceVysledku
  • Malá, Jitka
  • Malý, Josef
issn
  • 0352-9568
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http://localhost/t...ganizacniJednotka
  • 26110
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