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Fizikalno kemijske karakteristike blata in možnosti končne dispozicije blata iz Centralne čistilne naprave Kranj
ID Dolenec, Matjaž (Author), ID Panjan, Jože (Mentor) More about this mentor... This link opens in a new window

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PID: 20.500.12556/rul/8c4ddd2f-1e53-4e32-be9a-da6c11990eec

Abstract
Namen magistrskega dela je bilo preučiti fizikalno kemijske karakteristike blata iz Centralne čistilne naprave Kranj in preučiti možne končne dispozicije takšnega blata. Težke kovine so eden glavnih onesnaževalcev, ki so prisotni v blatih čistilnih naprav, njihove koncentracije pa v veliki meri vplivajo na možnosti končnega ravnanja z blatom. V uvodnem delu je predstavljena zakonodaja na področju ravnanja z blatom v Sloveniji. V nadaljevanju so opisani so možni postopki ravnanja z blatom, predstavljene so tudi glavne značilnosti posameznih težkih kovin. V sklopu eksperimentalnega delasmo od leta 2007 do 2013 spremljali koncentracije težkih kovin in ostalih elementov v blatu na Centralni čistilni napravi Kranj, opravili smo tudi poizkus kompostiranja dehidriranega blata skupaj s sekanci. Na podlagi pridobljenih rezultatov smo v skladu z veljavno zakonodajo preučili možnosti končnega ravnanja z dehidriranim blatom iz centralne čistilne naprave Kranj in predlagali optimalno varianto. Ugotovili smo, da blato presega dovoljene koncentracije težkih kovin, da bi ga brez obdelave lahko odlagali na kmetijske in ostale površine. Menimo, da je najboljša in ekonomsko smiselna rešitev končne dispozicije blata iz Centralne čistilne naprave Kranj priprava komposta iz stabiliziranega dehidriranega blata z dodajanjem lesnih oziroma ostalih primernih materialov. Takšen kompoziten material bi lahko uporabili za rekultivacijsko plast na odlagališčih ali pa za sanacijo degradiranih področij.

Language:Slovenian
Keywords:čistilna naprava, odvečno blato, težke kovine, končna dispozicija blata, umetna zemljina, kompostiranje, sežig
Work type:Master's thesis
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:[M. Dolenec]
Year:2016
PID:20.500.12556/RUL-83777 This link opens in a new window
UDC:628.32:696.139(497.4)(043)
COBISS.SI-ID:7516001 This link opens in a new window
Publication date in RUL:22.07.2016
Views:4370
Downloads:673
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Secondary language

Language:English
Title:Physical and Chemical Properties of Sewage Sludge and the Final Disposal of Sewage Sludge fromthe Central Wastewater Treatment Plant Kranj
Abstract:
The aim of the presented study was to examine physical and chemical characteristics of sewage sludge from the central wastewater treatment plant (CWWTP) in Kranj and examine the final sewage sludge disposal. Heavy metals are one of the main pollutantsthat are present in the sewage sludge. Their concentration is very important for the final sewage sludge disposal. In the first part,the study presents the Slovenian legislation of sewage sludge.It outlines the possibilities of the final sludge disposal and decribes the main main characteristic of heavy metals. During experimental work have been monitoring metals in sewage sludge from 2007 to 2013 of the CWWTP Kranj, and we tested composting sewage sludge with wood material.Based on experimental results has been examined possibilities of final sewage sludge disposal fromCWWTP Kranj and optimal solution has been proposed. The results showed that the sewage sludge from the CWWTP Kranj containedhigh concentrations of heavy metals,and was thus unusable on agricultural and non-agricultural area. We considered that the optimal solution of the final sewage sludge disposal from CWWTP Kranj would be composting the sludge with some other material. Such material could be used for remediation of landfills and other degraded area.

Keywords:wastewater treatment plant, sewage sludge, heavy metals, final sludge disposal, artificial material, composting, incineration

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