Attila Sarkady

Mr. Attila Sarkady


Research Focus & Metrics

Academic Career Length

14Years (2013-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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8 December 2022 in Sustainability
Verified
Journal Article
Open access
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Ágnes BárkányiÁgnes Bárkányi
Ágnes Bárkányi
Attila EgedyAttila Egedy
Attila Egedy
ASAttila Sarkady
Attila Sarkady
RKRobert Kurdi
Robert Kurdi
Janos AbonyiJanos Abonyi
Janos Abonyi
One of the significant problems in our society is the handling and processing of the vast amount of waste produced by households and industrial processes. Nowadays, packaging material regulations are constantly changing, which can significantly impact the quality of municipal waste, requiring the continuous development and redesign of waste processing plants. Since only a few uncertain measurements (composition, mass, etc.) are available for this task, analysing and redesigning waste processing technologies is challenging. This research aims to develop a modelling and simulation concept that can integrate all the available information and can also handle the uncertainty of the measurements. The proposed modular modelling framework can serve as a basis for designing and redesigning the technologies needed to process ever-changing municipal waste. The most important steps of the framework are as follows: identifying the typical equipment, these are the elements; building models of the elements; determining the characteristic parameters of the equipment; exploring the possible relationships between the elements. For example, the information needed to define the model parameters can be gathered from measurements, industrial experience, and expert knowledge. In many cases, the data obtained represent ranges. The stationary model framework applies efficiency factors and divides the solids into substreams based on expert knowledge. Furthermore, a modular simulator framework was developed to simulate the technological schemes with various connections. The specifications for all widely used waste industrial equipment (shredders, air separators, sieves, magnetic-, eddy current-, optical-, and ballistic separators) were used to construct the developed simulator. This simulator can open new opportunities for the design of waste sorting technological networks. The model was calibrated based on expertise gained from operating the studied technology. The changes in the material parameters can be considered, and the modular simulator can lead to flexible waste sorting technologies capable of adapting to governmental and environmental regulations changes. The main result of the work is that a methodology for designing a modular simulator, model development, and a validation method has been proposed, which provides the possibility to deal with uncertainty. All this is successfully presented through the analysis of an operating waste separation system.

1 July 2014 in Pollack Periodica
Verified
Journal Article
Closed access
ASAttila Sarkady
Attila Sarkady
RKRobert Kurdi
Robert Kurdi
ÁRÁkos Rédey
Ákos Rédey
Diverting household waste from landfill had become a must for EU member states. The mechanical and biological treatment of household wastes is one of the key method to reach this goal. The object of the mechanical handling is to separate the recyclable fraction and transform the non-recyclable part into Refuse Derived Fuel (RDF) for energetic use and produce fraction for biological treatment. Our challenge to identify the ideal technology for RDF production for the North-Balaton Regional Waste Management System, by studying the existing technologies, and emerging needs from the growing market especially for Cement Industry and pyrolitic technologies

1 January 2013 in Environmental Engineering and Management Journal
Verified
Journal Article
Closed access
ARAkos Redey
Akos Redey
ASAttila Sarkady
Attila Sarkady
TYTatiana Yuzhakova
Tatiana Yuzhakova
LDLaszlo Diossy
Laszlo Diossy
RKRobert Kurdi
Robert Kurdi