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Influence of the waste oil concentration in water on the efficiency of the aeration process in refinery wastewater treatment
Pavlović, Milan (Author), Stanojević, Miroslav (Author), Ševaljević, Mirjana (Author), Simić, Stojan N. (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-W63NKPB8 This link opens in a new window

Abstract
Postopek, sistem in postopek prezračevanja za biološko čiščenje odpadnih vod zaktivnim blatom v bio-prezračevalnih posodah se izbirajo na osnovi parametrov pretoka, sestave odpadnih vod in zahtevanih lastnosti prečiščene vode. Izbira sistema za prezračevanje je zelo zahteven problem, saj se mora za najboljši učinek čisčenja količina kisika, dodanega odpadnim vodam, ujemati s porabo kisika. V prispevku so predstavljeni rezultati eksperimentalne analize prezračevanja vode, onesnažene z odpadnim motornim oljem, pri različnih pretokih dodanega zraka. Obravnavani so bili postopki prezračevanja čiste vode in vode z različnimi vsebnostmi olja (masna koncentracija od 5 do 10 mg/l). Namen eksperimentalne analize je bil analizirati tehnične kazalnike postopka prezračevanja v odvisnosti s termodinamičnimi in kinetičnimi parametri, povezanimi s prisotnostjo olja v vodi, za doseganje bolj učinkovitega čiščenja rafinerijskih odpadnih vod.

Language:English
Keywords:aeration system, refinery wastewater treatment, oxigen transport, relaxation processes
Work type:Not categorized (r6)
Tipology:1.02 - Review Article
Organization:FS - Faculty of Mechanical Engineering
Year:2008
Publisher:= Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 675-684
Numbering:Letn. 54, št. 10
UDC:628.315
ISSN on article:0039-2480
COBISS.SI-ID:10725403 Link is opened in a new window
Views:386
Downloads:71
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Secondary language

Language:Slovenian
Title:Vpliv koncentracije odpadnega olja v vodi na učinkovotost postopka prezračevanja pri čiščenju rafinerijskih odpadnih vod
Abstract:
Process, aeration system and aeration method for biological treatment of wastewater with activated sludge in bio-aeration tanks are chosen based on theflow parameters, composition of the wastewater and required characteristicsof the purified water. Choosing an aeration system is a very complex question, as the capacity of oxygen introduced into the wastewater should correspond to the oxygen consumption in order to achieve the most efficient purification. This paper presents the results of experimental aeration analysis of water contaminated with waste motor oil with variations of airflow introduced into the water. The processes of clean water aeration and water with different oil content (mass concentration from 5 to 10 mg/L). The purpose of these investigations performed on an experimental setup were analysis of the aeration process technical indicators in correlation with the thermodynamic and kinetic parameters, related to the presence of oil in the water in order to achieve more efficient refinery wastewater purification.

Keywords:prezračevanje, rafinerijske odpadne vode, prenos kisika, relaksacijski postopki

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