Article (Scientific journals)
Life cycle assessment of different waste lubrication oil management options in Serbia
Du đak, Ljubica; Milisavljević, Stevan; Jocanović, Mitar et al.
2021In Applied Sciences (Switzerland), 11 (14), p. 6652
Peer reviewed
 

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Keywords :
6652; Case study; Circular economy; Environmental impacts; Life cycle assessment (LCA); Process recycling; Waste lubricant oil (WLO); Waste lubricant oil management (WLOM); Materials Science (all); Instrumentation; Engineering (all); Process Chemistry and Technology; Computer Science Applications; Fluid Flow and Transfer Processes
Abstract :
[en] On average, approximately 22 thousand tons of new lubrication oil were marketed annually in Serbia in the period 2015–2019. Less than 20% of the waste lubrication oil (WLO) generated was treated, whereas the remainder was mostly uncollected or improperly disposed of. The purpose of this study is to examine different WLO management scenarios that could be implemented in Serbia in the future and to quantify their potential environmental benefits. Different WLO treatment processes (namely the re-refining of used oil for base oil recovery, the use of WLO as a substitute to fossil fuels in cement kilns, and the combustion of WLO in waste incinerators with energy recovery) were evaluated using the life cycle assessment (LCA) and ReCiPe 2016 impact assessment methods. The LCA results obtained indicate that no single WLO treatment process consistently exerts diminished environmental impacts according to all the impact categories considered. From a human health perspective, the incineration of WLO in waste incinerators was found more favourable than the other treatment processes considered, whereas the combustion in cement kilns was the most favourable approach with regard to ecosystem protection. In terms of fossil fuel savings, re-refining technologies performed slightly better than the other processes considered. This can be accounted for by significant amounts of marketable co-products generated in the re-refining process, which can be used as a substitute to fossil-based primary products. Furthermore, a total of four possible WLO management scenarios were developed on the basis of the annual quantities of untreated WLO and a mix of treatment options. The results obtained indicate that up to 22,100 t CO2 equivalent and 34,300 t oil equivalent could be saved annually in Serbia provided the most favourable WLO management scenario is considered.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Du đak, Ljubica ;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
Milisavljević, Stevan;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
Jocanović, Mitar ;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
Kiss, Ferenc;  Department of General Engineering Disciplines, Faculty of Technology, University of Novi Sad, Novi Sad, Serbia
Šević, Dragoljub ;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
Karanović, Velibor ;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
OROSNJAK, Marko  ;  Department for Industrial Engineering and Management, Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
External co-authors :
yes
Language :
English
Title :
Life cycle assessment of different waste lubrication oil management options in Serbia
Publication date :
02 July 2021
Journal title :
Applied Sciences (Switzerland)
ISSN :
2076-3417
eISSN :
2076-3417
Publisher :
MDPI AG
Volume :
11
Issue :
14
Pages :
6652
Peer reviewed :
Peer reviewed
Funders :
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Funding text :
Funding: This research (paper) has been supported by the Ministry of Education, Science and Technological Development through the project No. 451-03-68/2020-14/200156 and project No. 451-03-9/2021-14/200134.
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