Temat: external carbon source - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Molasses on Nitrogen Removal in Wastewater Treatment With Activated Sludge
Autorzy:: Smyk, J.
Ignatowicz, K.
Powiązania:: https://bibliotekanauki.pl/articles/123119.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: removing nitrogen from sewage
external carbon source
molasses
sewage treatment plant
Opis:: The paper presents the efficiency of nitrogen removal from wastewater using molasses as an external carbon source. The study was conducted during the municipal wastewater treatment process in two independent activated sludge chambers of SBR type. One of the chambers contained molasses as the source of easily available organic compounds. The study showed that the use of molasses as the external carbon source during wastewater treatment resulted in a higher efficiency of nitrogen removal than in the reactor where it no support using external carbon source was applied at the same time resulting low level of the COD value in the treated wastewater.
Źródło:: Journal of Ecological Engineering; 2017, 18, 4; 199-203
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Influence of Electrical Current Density and Type of the External Source of Carbon on Nitrogen and Phosphorus Efficiency Removal in the Sequencing Batch Biofilm Reactor
Autorzy:: Kłodowska, I.
Rodziewicz, J.
Janczukowicz, W.
Powiązania:: https://bibliotekanauki.pl/articles/124929.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: bio-electrochemical reactor
external source of carbon
citric acid
potassium bicarbonate
denitrification
dephosphatation
Opis:: This work presents the results of a study on the effect of electrical current density (53, 105, 158 and 210 mA/m²), type of the external source of carbon (citric acid, potassium bicarbonate), and C/N_NO3 ratio (0.5, 1.0 and 1.5) on the effectiveness of nitrogen and phosphorus removal from synthetic wastewater with physicochemical parameters typical of municipal sewage subjected to bio-treatment in the highly efficient system for organic compounds removal ensuring efficient course of the nitrification process. The denitrification efficiency was found to depend on the type and dose of carbon and on the electrical current density. Higher values of this parameter were determined in the reactor with citric acid than in one with potassium bicarbonate used as carbon sources. Total phosphorus was removed in the processes of electrocoagulation and biomass growth. Higher efficiency of dephosphatation was achieved in the reactor with electrical current passage than in the reactor without it. The type of carbon source had little effect on the dephosphatation efficiency. The use of electrical current density of 210 mA/m² and citric acid as a carbon source with C/N=1.5 allowed achieving 87.61(±1.6)% efficiency of denitrification and 97.69(±2.1)% efficiency of dephosphatation.
Źródło:: Journal of Ecological Engineering; 2018, 19, 5; 172-179
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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