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Wyszukujesz frazę "biological denitrification" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Assessment of the municipal waste collection process based on irregularities in notifications sent by residents. A case study in Wrocław, Poland
Autorzy:
Dąbrowska, Alicja
Giel, Robert
Plewa, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/207284.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biological denitrification
temperature
wastewater
glycerol
denitryfikacja biologiczna
temperatura
ścieki
glicerol
Opis:
Socio-economic changes generate the need for the rationalization of economic processes. The risk of failure to achieve the appropriate recycling level by Poland in 2020 required by the EU gives rise to the necessity of the analysis and improvement of processes carried out in the framework of the waste management system. The municipal waste collection comprising transport processes to the indicated locations and processes of waste collection from waste collection points (WCP) has a significant influence on the achieved recycling level. Therefore, the authors attempted to assess the municipal waste collection process in Wrocław. The assessment was carried out based on irregularities in notifications related to waste collection sent by the residents of Wrocław to a company managing the waste collection. The application of the indicator of notifications per resident and the indicator of notifications per WCP as well as carrying out the analysis of time dependences of notifications number enabled the authors to identify the areas in Wrocław characterized by a high intensity of notifications and the reasons for this phenomenon.
Źródło:
Environment Protection Engineering; 2020, 46, 2; 79-92
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wspomaganie procesu denitryfikacji preparatem Brenntaplus VP1 jako zewnętrznym źródłem węgla
Intensification of the Denitrification Process by Using Brenntaplus VP1 Preparation
Autorzy:
Ignatowicz, K.
Piekarski, J.
Kozłowski, D.
Powiązania:
https://bibliotekanauki.pl/articles/1818612.pdf
Data publikacji:
2015
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
ścieki
biologiczne oczyszczanie
denitryfikacja
zewnętrzne źródło węgla
wastewater
biological treatment
denitrification
external carbon source
Opis:
The object of the study presented by authors was wastewater treatment plant (W.W.T.P.) in Bialystok. This plant started to operate with aerobic sludge activated system nearly 18 years ago and now it is utilizing high efficiency system for C, N, and P removal from municipal wastewater. Flow capacity is about 70000 m3 per day. Nitrogen and phosphorus contained in treated wastewater are responsible for eutrophication process. High efficiency of its removal is very important to protect the environment. Improvement of denitrification process can be realized by using external source of carbon. To confirm usefulness and efficiency of Brenntaplus VP as an external source of carbon the cycle of research was performed in Bialystok municipal W.W.T.P. Brenntaplus VP is based on alcohol, sugar and proteins. It is safe and completely biodegradable. The process of dosing preparation is continued all year without period with temperature lower than 12°C. Research was performed from mid April till the end of October 2011. Results shown in this paper were obtained in October 2011. Samples were taken from pre-denitrification, phosphorus removal, denitrification and nitrification chambers. It was found that BOD5/COD ratio was 1,86 in raw wastewater. The study confirmed the positive impact of Brenntaplus VP1 on denitrification process. External carbon source increases the amount of nitrogen removed from wastewater and allows to achieve nitrogen concentration in the treated wastewater below 10 mg N/dm3. Final concentration of nitrogen was dependent with wastewater temperature. Obtained results also proved short adaptation time for activated sludge with Brenntaplus VP1.
Źródło:
Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 2; 1178-1195
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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