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Wyszukujesz frazę "sewage sludge stabilization" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Drop in Conductivity of Sewage Sludge in the Process of Autothermal Thermophilic Aerobic Digestion
Autorzy:
Bartkowska, I.
Powiązania:
https://bibliotekanauki.pl/articles/123193.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
autothermal stabilization of sewage sludge
conductivity of sewage sludge
neutralization of sewage sludge
sanitation of sewage sludge
sewage sludge processing
Opis:
The article presents research on the assessment of electrolytic conductivity changes of sludge during the process of its autothermal thermophilic aerobic digestion (ATAD), which takes place in a two-stage installation system, operating in a municipal sewage-treatment plant. In the years 2012–2014 sludge was studied and the results were analyzed. Thickened sludge in the intermediate tank, which was then directed to installation reactors, was examined. Conductivity was measured in each tank. In this manner collected results made it possible to follow the changes of this index at consecutive stages of the system. The results were statistically analyzed and it was determined to what degree, as a result of an objective process, the values of processed sludge conductivity would change. The conclusions from the carried-out studies and from own experiments are also presented.
Źródło:
Journal of Ecological Engineering; 2017, 18, 4; 67-75
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Selected Technical and Technological Parameters of the Sewage Sludge Stability Process
Autorzy:
Bartkowska, I.
Wawrentowicz, D.
Powiązania:
https://bibliotekanauki.pl/articles/123847.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
autothermal thermophilic stabilization
sewage sludge
dry mass
organic substances
sewage sludge hygienization
sewage sludge in agriculture
Opis:
The article presents the results of the analysis, which was carried out in 2015-2017 on the example of autothermal installation of thermophilic sludge stabilization (ATAD) in a sewage treatment plant in Giżycko. The installation was created in 2003 as the first of its kind and still remains operational. The purpose of the conducted research was to assess the suitability of the analyzed technological parameters as tools that can be used by operators to determine the actual possibilities of changing the operating conditions of the installation or to develop an optimization strategy to reduce the energy demand. The dry mass content and organic dry mass content was used as the assessment indicators. In the analysed period, the sludge from the process contained from 47.47% to 60.80% of organic matter in the dry mass of the sludge. The organic dry matter decrease due to the process was also calculated, and it ranged from 26.4% to 48.7%. The amount of sludge undergoing the process and the amount of electricity consumption were also analysed. On this basis, the energy consumption indicators in the ATAD process were calculated.
Źródło:
Journal of Ecological Engineering; 2018, 19, 4; 69-74
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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