diplomska naloga
Andreja Bernjak (Author), Jože Panjan (Mentor), Matjaž Mikoš (Thesis defence commission member), Janko Logar (Thesis defence commission member), Mario Krzyk (Co-mentor)

Abstract

Možnosti uporabe blata iz Centralne čistilne naprave Murska Sobota

Keywords

gradbeništvo;hidrotehnika;diplomska dela;UNI;čistilne naprave;recikliranje;gnojenje;predpisi;

Data

Language: Slovenian
Year of publishing:
Source: Ljubljana
Typology: 2.11 - Undergraduate Thesis
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: [A. Bernjak]
UDC: 628.32(497.4)(043.2)
COBISS: 6407521 Link will open in a new window
Views: 2038
Downloads: 529
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Other data

Secondary language: English
Secondary title: Possible uses of sewage sludge from the urban waste water treatment plant in Murska Sobota
Secondary abstract: This diploma thesis examines the current situation of sewage sludge management at the waste-water treatment plant in Murska Sobota. The export of sewage sludge to neighbour countries was found to be an unsuitable solution at the given knowledge in this field. Sewage sludge from the municipal waste-water treatment plant in Murska Sobota is not waste but has energetic potential, among others. Analyses were performed, following procedures which are regulated by the current legislation. These analyses from the municipal waste-water treatment plant in Murska Sobota indicate that the sludge is harmless waste and is suitable for composting. The thesis discusses alternative sludge treatment options, sludge treatment in foreign countries, what can be expected in the future and the current legislative framework in this field. Based on the data collected, the most suitable use for sewage sludge from the municipal waste-water treatment plant in M. Sobota is for fertilization of suitable agricultural areas in the municipality of M. Sobota. The nutritional substances in sludge are more suitable and friendly to environment and plants, compared to mineralised fertilizers. Using sludge this way, means recycling of important nourishments for plants, particularly nitrogen and phosphorus, the latter being the most valued element of sludge. It is known that in approximately 50 years from now all known supplies of apatite (source of phosphorus) will be exhausted and therefore it is urgent to set up a system of substance circulation wherever possible. Suitable areas for sludge use in the municipality of M. Sobota are consolidated into two larger areas which enable an economic way of spreading the sludge in the periods of fertilization. A cost analysis was performed regarding the use of sludge in agricultural areas. For comparison with sewage sludge we used the currently best selling mineralised fertilizer in Slovenia, NPK 15-15-15 and found, that we could anually save up to 200.000 EUR using sewage sludge.
Secondary keywords: Waste water treatment plants;sewage sludge;recycling;phosphorus;compost;agricultural land;non-hazardous waste;reuse;fertilizers;regulations;fertilization
File type: application/pdf
Type (COBISS): Undergraduate thesis
Thesis comment: Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo
Pages: XX, 82 str., [19] f. pril.
Type (ePrints): thesis
Title (ePrints): Možnosti uporabe blata iz Centralne čistilne naprave Murska Sobota
Keywords (ePrints): gradbeništvo;hidrotehnika;diplomska dela;UNI;čistilne naprave;recikliranje;gnojenje;predpisi;
ID: 8313028