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Experimental investigations of porosity and permeability of flocs in the suspensions of biological water treatment plants
Žajdela, Boštjana (Author), Hriberšek, Matjaž (Author), Hribernik, Aleš (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-MSEJAF8R This link opens in a new window

Abstract
Prispevek obravnava gibanje kosmov v suspenziji, ki je delovna zmes na biološki čistilni napravi (BČN). Podane so osnovne enačbe za rešitev problema in analiza odpadne vode BČN Lendava z vzorčenjem. V eksperimentalnih raziskavah je največja pozornost namenjena geometrijskim in sedimentacijskim sposobnostim kosmov, ki so ključni parametri pri razvoju numeričnega postopka za simulacijo gibanja kosmov. Predstavljene so obsežne analize oblike kosmov, velikosti primarnih delcev ter kosmov, poroznosti ter prepustnosti kosmov in gostote kosmov. Na osnovi rezultatov eksperimentalnih raziskav so definirani in izračunani fizikalni parametri kosmov ob upoštevanju njihove poroznosti.

Language:English
Keywords:wastewater treatment, biological treatment plants, sedimentation, permeability
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2008
Publisher:= Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 547-556
Numbering:Letn. 54, št. 7/8
UDC:696.135:628.3
ISSN on article:0039-2480
COBISS.SI-ID:10603803 Link is opened in a new window
Views:261
Downloads:101
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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
Abstract:
This paper deals with the movement of flocs in suspension, as they appear in biological wastewater treatment (BWT) plants. Basic equations for solving the problem and analysis of wastewater composition of BWT plant Lendava are presented. Greater attention is given to the geometrical and sedimentation characteristics of solid flocs, key parameters for developing a fast numerical procedure for simulating flocs' movements. An extensive analysis regarding floc size distribution and settling velocity is presented. Based on the results of experimental investigations, the main physical parameters of the flocs are defined and calculated by considering floc porosity.

Keywords:čiščenje odpadnih voda, biološke čistilne naprave, sedimentacija, poroznost

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